码迷,mamicode.com
首页 > 数据库 > 详细

传智播客数据绑定和数据库开发基础(第四季)-杨中科

时间:2015-08-08 21:15:22      阅读:517      评论:0      收藏:0      [点我收藏+]

标签:

(一)数据绑定、ListBox、DataGrid SQLServer基础、SQLServer使用主键策略

 

(二)DataReader、DataSet、参数化查询、防注入漏洞攻击、SQLHelper

用户界面中进行登录判断。输错三次禁止登陆(半小时),用数据库记录ErrorTimes。 数据导入:从文本文件导入用户信息。易错点:Parameter的重复添加。File.ReadAllLines() 数据导出:将用户信息导出到文本文件。File.WriteAllLines()

省市联动选择 手机号码归属地查询

技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Windows.Forms;
 9 using System.Data.SqlClient;
10 
11 namespace adonet
12 {
13     public partial class Form1 : Form
14     {
15         public Form1()
16         {
17             InitializeComponent();
18         }
19 
20         private void button1_Click(object sender, EventArgs e)
21         {
22             SqlHelper.ExecuteNonQuery("insert into T_Student(Name,Age) values(‘a‘,33)");
23             DataTable table = SqlHelper.ExecuteDataTable("select * from T_Student where Age=@Age or Name=@Name",
24                 new SqlParameter("@Age", 26), new SqlParameter("name", "刘洋"));
25             foreach (DataRow row in table.Rows)
26             {
27                 string name = (string)row["name"];
28                 MessageBox.Show(name);
29             }
30         }
31     }
32 }
View Code
技术分享
 1 namespace adonet
 2 {
 3     partial class Form1
 4     {
 5         /// <summary>
 6         /// 必需的设计器变量。
 7         /// </summary>
 8         private System.ComponentModel.IContainer components = null;
 9 
10         /// <summary>
11         /// 清理所有正在使用的资源。
12         /// </summary>
13         /// <param name="disposing">如果应释放托管资源,为 true;否则为 false。</param>
14         protected override void Dispose(bool disposing)
15         {
16             if (disposing && (components != null))
17             {
18                 components.Dispose();
19             }
20             base.Dispose(disposing);
21         }
22 
23         #region Windows 窗体设计器生成的代码
24 
25         /// <summary>
26         /// 设计器支持所需的方法 - 不要
27         /// 使用代码编辑器修改此方法的内容。
28         /// </summary>
29         private void InitializeComponent()
30         {
31             this.button1 = new System.Windows.Forms.Button();
32             this.SuspendLayout();
33             // 
34             // button1
35             // 
36             this.button1.Location = new System.Drawing.Point(88, 78);
37             this.button1.Name = "button1";
38             this.button1.Size = new System.Drawing.Size(75, 23);
39             this.button1.TabIndex = 0;
40             this.button1.Text = "button1";
41             this.button1.UseVisualStyleBackColor = true;
42             this.button1.Click += new System.EventHandler(this.button1_Click);
43             // 
44             // Form1
45             // 
46             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
47             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
48             this.ClientSize = new System.Drawing.Size(284, 261);
49             this.Controls.Add(this.button1);
50             this.Name = "Form1";
51             this.Text = "Form1";
52             this.ResumeLayout(false);
53 
54         }
55 
56         #endregion
57 
58         private System.Windows.Forms.Button button1;
59     }
60 }
View Code
技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Windows.Forms;
 5 
 6 namespace adonet
 7 {
 8     static class Program
 9     {
10         /// <summary>
11         /// 应用程序的主入口点。
12         /// </summary>
13         [STAThread]
14         static void Main()
15         {
16             Application.EnableVisualStyles();
17             Application.SetCompatibleTextRenderingDefault(false);
18             Application.Run(new Form1());
19         }
20     }
21 }
View Code

sqlhelper

技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Data.SqlClient;
 6 using System.Configuration;
 7 using System.Data;
 8 
 9 namespace adonet
10 {
11     class SqlHelper
12     {
13         private static string connStr = ConfigurationManager.ConnectionStrings["dbConnStr"].ConnectionString;
14 
15         public static int ExecuteNonQuery(string sql, params SqlParameter[] parameters)
16         {
17             using (SqlConnection conn = new SqlConnection(connStr))
18             {
19                 conn.Open();
20                 using (SqlCommand cmd = conn.CreateCommand())
21                 {
22                     cmd.CommandText = sql;
23                     cmd.Parameters.AddRange(parameters);
24                     return cmd.ExecuteNonQuery();
25                 }
26             }
27         }
28 
29         public static object ExecuteScalar(string sql, params SqlParameter[] parameters)
30         {
31             using (SqlConnection conn = new SqlConnection(connStr))
32             {
33                 conn.Open();
34                 using (SqlCommand cmd = conn.CreateCommand())
35                 {
36                     cmd.CommandText = sql;
37                     cmd.Parameters.AddRange(parameters);
38                     return cmd.ExecuteScalar();
39                 }
40             }
41         }
42 
43         public static DataTable ExecuteDataTable(string sql, params SqlParameter[] parameters)
44         {
45             using (SqlConnection conn = new SqlConnection(connStr))
46             {
47                 conn.Open();
48                 using (SqlCommand cmd = conn.CreateCommand())
49                 {
50                     cmd.CommandText = sql;
51                     cmd.Parameters.AddRange(parameters);
52 
53                     SqlDataAdapter adapter = new SqlDataAdapter(cmd);
54                     DataSet dataset=new DataSet();
55                     adapter.Fill(dataset);
56                     return dataset.Tables[0];
57                 }
58             }
59         }
60     }
61 }
View Code

 

(三)ADO.Net案例:登陆、数据导入导出、省市联动选择

技术分享
1 <?xml version="1.0" encoding="utf-8" ?>
2 <configuration>
3   <connectionStrings>
4     <add name="dbConnStr" connectionString="data source=.;initial catalog=Scott;user id=sa;password=222222"/>
5   </connectionStrings>
6 </configuration>
View Code

 

技术分享
1 <?xml version="1.0" encoding="utf-8" ?>
2 <configuration>
3   <connectionStrings>
4     <add name="myconnStr" connectionString ="data source=.;initial catalog=Scott;user id=sa;password=222222"/>
5   </connectionStrings>
6 </configuration>
View Code
技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 
 6 namespace Adonet
 7 {
 8     class Area
 9     {
10         public int AreaId
11         { get; set; }
12         public string AreaName
13         { get; set; }
14     }
15 }
View Code
技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Windows.Forms;
 9 using System.Data.SqlClient;
10 
11 namespace Adonet
12 {
13     public partial class LoginWindow : Form
14     {
15         public LoginWindow()
16         {
17             InitializeComponent();
18         }
19 
20         private void btnLogin_Click(object sender, EventArgs e)
21         {
22             if (userName.Text.Length <= 0)
23             {
24                 MessageBox.Show("请输入用户名");
25                 return;
26             }
27             if (passWord.Text.Length <= 0)
28             {
29                 MessageBox.Show("请输入密码");
30                 return;
31             }
32 
33             DataTable table = SqlHelper.ExecuteDataTable("select * from T_User where username=@username;", 
34                 new SqlParameter("@username", userName.Text));
35             if (table.Rows.Count <= 0)
36             {
37                 MessageBox.Show("用户名不存在");
38                 return;
39             }
40             if (table.Rows.Count > 1)
41             {
42                 MessageBox.Show("不好啦,用户名重复");
43                 return;
44             }
45             DataRow row = table.Rows[0];
46             string dbPassword = (string)row["Password"];
47             long id = (long)row["Id"];
48             int errorTimes = (int)row["ErrorTimes"];
49             if (errorTimes >= 3)
50             {
51                 MessageBox.Show("输入次数过多,用户已经锁定");
52                 return;
53             }
54             if (passWord.Text != dbPassword)
55             {
56                 SqlHelper.ExecuteNonQuery("update T_User set ErrorTimes=ErrorTimes+1 where Id=@Id",
57                     new SqlParameter("@Id", id));
58                 MessageBox.Show("密码错误");
59             }
60             else
61             {
62                 MessageBox.Show("登陆成功");
63             }
64         }
65     }
66 }
View Code
技术分享
  1 namespace Adonet
  2 {
  3     partial class LoginWindow
  4     {
  5         /// <summary>
  6         /// 必需的设计器变量。
  7         /// </summary>
  8         private System.ComponentModel.IContainer components = null;
  9 
 10         /// <summary>
 11         /// 清理所有正在使用的资源。
 12         /// </summary>
 13         /// <param name="disposing">如果应释放托管资源,为 true;否则为 false。</param>
 14         protected override void Dispose(bool disposing)
 15         {
 16             if (disposing && (components != null))
 17             {
 18                 components.Dispose();
 19             }
 20             base.Dispose(disposing);
 21         }
 22 
 23         #region Windows 窗体设计器生成的代码
 24 
 25         /// <summary>
 26         /// 设计器支持所需的方法 - 不要
 27         /// 使用代码编辑器修改此方法的内容。
 28         /// </summary>
 29         private void InitializeComponent()
 30         {
 31             this.userName = new System.Windows.Forms.TextBox();
 32             this.label1 = new System.Windows.Forms.Label();
 33             this.label2 = new System.Windows.Forms.Label();
 34             this.passWord = new System.Windows.Forms.TextBox();
 35             this.btnLogin = new System.Windows.Forms.Button();
 36             this.SuspendLayout();
 37             // 
 38             // userName
 39             // 
 40             this.userName.Location = new System.Drawing.Point(135, 34);
 41             this.userName.Name = "userName";
 42             this.userName.Size = new System.Drawing.Size(100, 21);
 43             this.userName.TabIndex = 0;
 44             // 
 45             // label1
 46             // 
 47             this.label1.AutoSize = true;
 48             this.label1.Location = new System.Drawing.Point(46, 37);
 49             this.label1.Name = "label1";
 50             this.label1.Size = new System.Drawing.Size(41, 12);
 51             this.label1.TabIndex = 1;
 52             this.label1.Text = "用户名";
 53             // 
 54             // label2
 55             // 
 56             this.label2.AutoSize = true;
 57             this.label2.Location = new System.Drawing.Point(58, 104);
 58             this.label2.Name = "label2";
 59             this.label2.Size = new System.Drawing.Size(29, 12);
 60             this.label2.TabIndex = 2;
 61             this.label2.Text = "密码";
 62             // 
 63             // passWord
 64             // 
 65             this.passWord.Location = new System.Drawing.Point(135, 101);
 66             this.passWord.Name = "passWord";
 67             this.passWord.Size = new System.Drawing.Size(100, 21);
 68             this.passWord.TabIndex = 3;
 69             // 
 70             // btnLogin
 71             // 
 72             this.btnLogin.Location = new System.Drawing.Point(88, 161);
 73             this.btnLogin.Name = "btnLogin";
 74             this.btnLogin.Size = new System.Drawing.Size(75, 23);
 75             this.btnLogin.TabIndex = 4;
 76             this.btnLogin.Text = "登录";
 77             this.btnLogin.UseVisualStyleBackColor = true;
 78             this.btnLogin.Click += new System.EventHandler(this.btnLogin_Click);
 79             // 
 80             // LoginWindow
 81             // 
 82             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
 83             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
 84             this.ClientSize = new System.Drawing.Size(284, 261);
 85             this.Controls.Add(this.btnLogin);
 86             this.Controls.Add(this.passWord);
 87             this.Controls.Add(this.label2);
 88             this.Controls.Add(this.label1);
 89             this.Controls.Add(this.userName);
 90             this.Name = "LoginWindow";
 91             this.Text = "LoginWindow";
 92             this.ResumeLayout(false);
 93             this.PerformLayout();
 94 
 95         }
 96 
 97         #endregion
 98 
 99         private System.Windows.Forms.TextBox userName;
100         private System.Windows.Forms.Label label1;
101         private System.Windows.Forms.Label label2;
102         private System.Windows.Forms.TextBox passWord;
103         private System.Windows.Forms.Button btnLogin;
104     }
105 }
View Code
技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Windows.Forms;
 9 using System.Data.SqlClient;
10 
11 namespace Adonet
12 {
13     public partial class CitySelectWindow : Form
14     {
15         public CitySelectWindow()
16         {
17             InitializeComponent();
18         }
19 
20         Dictionary<string, int> dictProv = new Dictionary<string, int>();
21         private void CitySelectWindow_Load(object sender, EventArgs e)
22         {
23             DataTable dtProv = SqlHelper.ExecuteDataTable("select * from AreaFull where AreaPid=0");
24             //List<Area> listProv = new List<Area>();
25             //Area area = new Area();
26             foreach (DataRow row in dtProv.Rows)
27             {
28                 //area.AreaId = (int)row["AreaId"];
29                 //area.AreaName = (string)row["AreaName"];
30                 //listProv.Add(area);
31                 dictProv.Add((string)row["AreaName"], (int)row["AreaId"]);
32                 lbProv.Items.Add((string)row["AreaName"]);
33             }
34         }
35 
36         private void lbProv_SelectedIndexChanged(object sender, EventArgs e)
37         {
38             lbCity.Items.Clear();
39             string areaName = (string)lbProv.SelectedItem;
40             int areaId = dictProv[areaName];
41             DataTable dtCity = SqlHelper.ExecuteDataTable("select * from AreaFull where AreaPid=@AreaPid",
42                 new SqlParameter("@AreaPid", areaId));
43             foreach (DataRow row in dtCity.Rows)
44             {
45                 lbCity.Items.Add((string)row["AreaName"]);
46             }
47             //MessageBox.Show(id.ToString());
48         }
49     }
50 }
View Code
技术分享
 1 namespace Adonet
 2 {
 3     partial class CitySelectWindow
 4     {
 5         /// <summary>
 6         /// Required designer variable.
 7         /// </summary>
 8         private System.ComponentModel.IContainer components = null;
 9 
10         /// <summary>
11         /// Clean up any resources being used.
12         /// </summary>
13         /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
14         protected override void Dispose(bool disposing)
15         {
16             if (disposing && (components != null))
17             {
18                 components.Dispose();
19             }
20             base.Dispose(disposing);
21         }
22 
23         #region Windows Form Designer generated code
24 
25         /// <summary>
26         /// Required method for Designer support - do not modify
27         /// the contents of this method with the code editor.
28         /// </summary>
29         private void InitializeComponent()
30         {
31             this.lbProv = new System.Windows.Forms.ListBox();
32             this.lbCity = new System.Windows.Forms.ListBox();
33             this.lbXian = new System.Windows.Forms.ListBox();
34             this.SuspendLayout();
35             // 
36             // lbProv
37             // 
38             this.lbProv.FormattingEnabled = true;
39             this.lbProv.ItemHeight = 12;
40             this.lbProv.Location = new System.Drawing.Point(12, 12);
41             this.lbProv.Name = "lbProv";
42             this.lbProv.Size = new System.Drawing.Size(120, 340);
43             this.lbProv.TabIndex = 0;
44             this.lbProv.SelectedIndexChanged += new System.EventHandler(this.lbProv_SelectedIndexChanged);
45             // 
46             // lbCity
47             // 
48             this.lbCity.FormattingEnabled = true;
49             this.lbCity.ItemHeight = 12;
50             this.lbCity.Location = new System.Drawing.Point(138, 12);
51             this.lbCity.Name = "lbCity";
52             this.lbCity.Size = new System.Drawing.Size(120, 340);
53             this.lbCity.TabIndex = 1;
54             // 
55             // lbXian
56             // 
57             this.lbXian.FormattingEnabled = true;
58             this.lbXian.ItemHeight = 12;
59             this.lbXian.Location = new System.Drawing.Point(264, 12);
60             this.lbXian.Name = "lbXian";
61             this.lbXian.Size = new System.Drawing.Size(120, 340);
62             this.lbXian.TabIndex = 2;
63             // 
64             // CitySelectWindow
65             // 
66             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
67             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
68             this.ClientSize = new System.Drawing.Size(795, 367);
69             this.Controls.Add(this.lbXian);
70             this.Controls.Add(this.lbCity);
71             this.Controls.Add(this.lbProv);
72             this.Name = "CitySelectWindow";
73             this.Text = "CitySelectWindow";
74             this.Load += new System.EventHandler(this.CitySelectWindow_Load);
75             this.ResumeLayout(false);
76 
77         }
78 
79         #endregion
80 
81         private System.Windows.Forms.ListBox lbProv;
82         private System.Windows.Forms.ListBox lbCity;
83         private System.Windows.Forms.ListBox lbXian;
84     }
85 }
View Code
技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Windows.Forms;
 9 using System.IO;
10 using System.Data.SqlClient;
11 
12 namespace Adonet
13 {
14     public partial class CustomerImportExportWindow : Form
15     {
16         public CustomerImportExportWindow()
17         {
18             InitializeComponent();
19         }
20 
21         private void btnImport_Click(object sender, EventArgs e)
22         {
23             List<string> list=new List<string>();
24             OpenFileDialog ofd = new OpenFileDialog();
25             ofd.Filter = "所有文件|*.txt";
26             ofd.ShowDialog();
27             string filename = ofd.FileName;
28             using (StreamReader sr=new StreamReader(filename,Encoding.Default))
29             {
30                 while (!sr.EndOfStream)
31                 {
32                     list.Add(sr.ReadLine());
33                 }
34                 //string[] strs = File.ReadAllLines(filename, Encoding.Default);
35                 string[] strs = File.ReadLines(filename, Encoding.Default).ToArray();
36                 foreach (string str in strs)
37                 {
38                     string[] segs = str.Split(new char[] { \t }, StringSplitOptions.RemoveEmptyEntries);
39                     string name = segs[0];
40                     string age = segs[1];
41                     SqlHelper.ExecuteNonQuery("insert into T_Customer(Name,Age) values(@Name,@Age)",
42                         new SqlParameter("@Name", name),
43                         new SqlParameter("Age", Convert.ToInt32(age)));
44                 }
45                 MessageBox.Show("导入成功!成功导入" + strs.Length + "条数据!");
46                 //foreach (string line in list)
47                 //{
48                 //    string[] segs = line.Split(new char[] { ‘\t‘ }, StringSplitOptions.RemoveEmptyEntries);
49                 //    string name = segs[0];
50                 //    string age = segs[1];
51                 //    SqlHelper.ExecuteNonQuery("Insert into T_Customer(Name,Age) values(@Name,@Age)",
52                 //        new SqlParameter("@Name", name),
53                 //        new SqlParameter("@Age", Convert.ToInt32(age)));
54                 //}
55                 //MessageBox.Show("导入成功!成功导入" + list.Count + "条数据!");
56             }
57         }
58     }
59 }
View Code
技术分享
 1 namespace Adonet
 2 {
 3     partial class CustomerImportExportWindow
 4     {
 5         /// <summary>
 6         /// Required designer variable.
 7         /// </summary>
 8         private System.ComponentModel.IContainer components = null;
 9 
10         /// <summary>
11         /// Clean up any resources being used.
12         /// </summary>
13         /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
14         protected override void Dispose(bool disposing)
15         {
16             if (disposing && (components != null))
17             {
18                 components.Dispose();
19             }
20             base.Dispose(disposing);
21         }
22 
23         #region Windows Form Designer generated code
24 
25         /// <summary>
26         /// Required method for Designer support - do not modify
27         /// the contents of this method with the code editor.
28         /// </summary>
29         private void InitializeComponent()
30         {
31             this.btnImport = new System.Windows.Forms.Button();
32             this.SuspendLayout();
33             // 
34             // btnImport
35             // 
36             this.btnImport.Location = new System.Drawing.Point(98, 95);
37             this.btnImport.Name = "btnImport";
38             this.btnImport.Size = new System.Drawing.Size(75, 23);
39             this.btnImport.TabIndex = 0;
40             this.btnImport.Text = "导入";
41             this.btnImport.UseVisualStyleBackColor = true;
42             this.btnImport.Click += new System.EventHandler(this.btnImport_Click);
43             // 
44             // CustomerImportExportWindow
45             // 
46             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
47             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
48             this.ClientSize = new System.Drawing.Size(284, 261);
49             this.Controls.Add(this.btnImport);
50             this.Name = "CustomerImportExportWindow";
51             this.Text = "CustomerImportExportWindow";
52             this.ResumeLayout(false);
53 
54         }
55 
56         #endregion
57 
58         private System.Windows.Forms.Button btnImport;
59     }
60 }
View Code
技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Windows.Forms;
 5 
 6 namespace Adonet
 7 {
 8     static class Program
 9     {
10         /// <summary>
11         /// 应用程序的主入口点。
12         /// </summary>
13         [STAThread]
14         static void Main()
15         {
16             Application.EnableVisualStyles();
17             Application.SetCompatibleTextRenderingDefault(false);
18             Application.Run(new CitySelectWindow());
19         }
20     }
21 }
View Code

sqlhelper

技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Configuration;
 6 using System.Data.SqlClient;
 7 using System.Data;
 8 
 9 namespace Adonet
10 {
11     static class SqlHelper
12     {
13         private static string connStr = ConfigurationManager.ConnectionStrings["myconnStr"].ConnectionString;
14 
15         public static int ExecuteNonQuery(string sql, params SqlParameter[] parameters)
16         {
17             using (SqlConnection conn = new SqlConnection(connStr))
18             {
19                 conn.Open();
20                 using (SqlCommand cmd = conn.CreateCommand())
21                 {
22                     cmd.CommandText = sql;
23                     cmd.Parameters.AddRange(parameters);
24                     return cmd.ExecuteNonQuery();
25                 }
26             }
27         }
28 
29         public static object ExecuteScalar(string sql, params SqlParameter[] parameters)
30         {
31             using (SqlConnection conn = new SqlConnection(connStr))
32             {
33                 conn.Open();
34                 using (SqlCommand cmd = conn.CreateCommand())
35                 {
36                     cmd.CommandText = sql;
37                     cmd.Parameters.AddRange(parameters);
38                     return cmd.ExecuteScalar();
39                 }
40             }
41         }
42 
43         public static DataTable ExecuteDataTable(string sql, params SqlParameter[] parameters)
44         {
45             using (SqlConnection conn = new SqlConnection(connStr))
46             {
47                 conn.Open();
48                 using (SqlCommand cmd = conn.CreateCommand())
49                 {
50                     cmd.CommandText = sql;
51                     cmd.Parameters.AddRange(parameters);
52                     DataSet dataSet = new DataSet();
53                     SqlDataAdapter adapter = new SqlDataAdapter(cmd);
54                     adapter.Fill(dataSet);
55                     return dataSet.Tables[0];
56                 }
57             }
58         }
59     }
60 }
View Code

 

(四)ADO.Net案例:手机号码归属地查询、DbValue.Null的处理、三层架构

 

(五)典型的ListUI+EditUI、人事管理系统需求分析、架构设计、MD5算法、程序登录

DAL:

技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using Customer.Model;
 6 using System.Data;
 7 using System.Data.SqlClient;
 8 
 9 namespace Customer.DAL
10 {
11     public static class CustomerDAL
12     {
13         public static CustomerModel ToCustomer(DataRow row)
14         {
15             CustomerModel cust = new CustomerModel();
16             cust.Id = (long)row["Id"];
17             cust.Name = (string)row["Name"];
18             cust.Birthday = (DateTime?)SqlHelper.FromDBValue(row["Birthday"]);
19             cust.Address = (string)row["Address"];
20             cust.TelNum = (string)row["TelNum"];
21             cust.CustLevel = (int)row["CustLevel"];
22             return cust;
23         }
24 
25         public static CustomerModel GetById(long id)
26         {
27             DataTable table = SqlHelper.ExecuteDataTable("select * from T_Customer where Id=@Id",
28                 new SqlParameter("@Id", id));
29             if (table.Rows.Count <= 0)
30             {
31                 return null;
32             }
33             else if (table.Rows.Count > 1)
34             {
35                 throw new Exception("严重错误,查出多条数据!");
36             }
37             else
38             {
39                 return ToCustomer(table.Rows[0]);
40             }
41         }
42 
43         public static CustomerModel[] GetAll()
44         {
45             
46             DataTable table = SqlHelper.ExecuteDataTable("select * from T_Customer");
47             CustomerModel[] customers=new CustomerModel[table.Rows.Count];
48             for (int i = 0; i < table.Rows.Count; i++)
49             {
50                 customers[i] = ToCustomer(table.Rows[i]);
51             }
52             return customers;
53         }
54 
55         public static void DeleteById(long id)
56         {
57             SqlHelper.ExecuteNonQuery("delete from T_Customer where Id=@Id",
58                 new SqlParameter("@Id", id));
59         }
60 
61         public static void Insert(CustomerModel cust)
62         {
63             SqlHelper.ExecuteNonQuery(@"insert into T_Customer (Name,Birthday,Address,TelNum,CustLevel)
64                                         values(@Name,@Birthday,@Address,@TelNum,@CustLevel)",
65                                         new SqlParameter("@Name", cust.Name),
66                                         new SqlParameter("@Birthday", cust.Birthday),
67                                         new SqlParameter("@Address", cust.Address),
68                                         new SqlParameter("@TelNum", cust.TelNum),
69                                         new SqlParameter("@CustLevel", cust.CustLevel));
70         }
71 
72         public static void Update(CustomerModel cust)
73         {
74             SqlHelper.ExecuteNonQuery(@"update T_Customer
75                                         set Name=@Name,Birthday=@Birthday,Address=@Address,TelNum=@TelNum,CustLevel=@CustLevel 
76                                         where Id=@Id",
77                                         new SqlParameter("@Name", cust.Name),
78                                         new SqlParameter("@Birthday", cust.Birthday),
79                                         new SqlParameter("@Address", cust.Address),
80                                         new SqlParameter("@TelNum", cust.TelNum),
81                                         new SqlParameter("@CustLevel", cust.CustLevel),
82                                         new SqlParameter("@Id", cust.Id));
83         }
84     }
85 }
View Code
技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Configuration;
 6 using System.Data.SqlClient;
 7 using System.Data;
 8 
 9 namespace Customer.DAL
10 {
11     class SqlHelper
12     {
13         public static string connStr = ConfigurationManager.ConnectionStrings["connStr"].ConnectionString;
14 
15         public static int ExecuteNonQuery(string sql, params SqlParameter[] parameters)
16         {
17             using (SqlConnection conn = new SqlConnection(connStr))
18             {
19                 conn.Open();
20                 using (SqlCommand cmd = conn.CreateCommand())
21                 {
22                     cmd.CommandText = sql;
23                     cmd.Parameters.AddRange(parameters);
24                     return cmd.ExecuteNonQuery();
25                 }
26             }
27         }
28 
29         public static object ExecuteScalar(string sql, params SqlParameter[] parameters)
30         {
31             using (SqlConnection conn = new SqlConnection(connStr))
32             {
33                 conn.Open();
34                 using (SqlCommand cmd = conn.CreateCommand())
35                 {
36                     cmd.CommandText = sql;
37                     cmd.Parameters.AddRange(parameters);
38                     return cmd.ExecuteScalar();
39                 }
40             }
41         }
42 
43         public static DataTable ExecuteDataTable(string sql, params SqlParameter[] parameters)
44         {
45             using (SqlConnection conn = new SqlConnection(connStr))
46             {
47                 conn.Open();
48                 using (SqlCommand cmd = conn.CreateCommand())
49                 {
50                     cmd.CommandText = sql;
51                     cmd.Parameters.AddRange(parameters);
52                     DataSet dataset = new DataSet();
53                     SqlDataAdapter adapter = new SqlDataAdapter(cmd);
54                     adapter.Fill(dataset);
55                     return dataset.Tables[0];
56                 }
57             }
58         }
59 
60         public static object FromDBValue(object value)
61         {
62             if (DBNull.Value == value)
63             {
64                 return null;
65             }
66             else
67             {
68                 return value;
69             }
70         }
71 
72         public static object ToDBValue(object value)
73         {
74             if (null == value)
75             {
76                 return DBNull.Value;
77             }
78             else
79             {
80                 return value;
81             }
82         }
83     }
84 }
View Code

images:
Model:

技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 
 6 namespace Customer.Model
 7 {
 8     public class CustomerModel
 9     {
10         public long Id { get; set; }
11         public string Name { get; set; }
12         public DateTime? Birthday { get; set; }
13         public string Address { get; set; }
14         public string TelNum { get; set; }
15         public int CustLevel { get; set; }
16     }
17 }
View Code

 

技术分享
1 <?xml version="1.0" encoding="utf-8" ?>
2 <configuration>
3   <connectionStrings>
4     <add name="connStr" connectionString="server=.;database=Scott;uid=sa;pwd=222222"/>
5   </connectionStrings>
6 </configuration>
View Code
技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Windows.Forms;
 9 using Customer.Model;
10 using Customer.DAL;
11 
12 namespace Customer
13 {
14     public partial class CustomerEditUI : Form
15     {
16         public CustomerEditUI()
17         {
18             InitializeComponent();
19         }
20 
21         public bool isInsert { get; set; }
22         public long EditingId { get; set; }
23 
24         private void btnSave_Click(object sender, EventArgs e)
25         {
26             CustomerModel cust = new CustomerModel();
27             cust.Name = txtName.Text;
28             cust.Birthday = dtBirthday.Value;
29             cust.TelNum = txtTelNum.Text;
30             cust.CustLevel = int.Parse(txtCustLevel.Text);
31             cust.Address = txtAddress.Text;
32             if (isInsert)
33             {  
34                 CustomerDAL.Insert(cust);
35             }
36             else
37             {
38                 cust.Id=EditingId;
39                 CustomerDAL.Update(cust);
40             }
41             DialogResult = DialogResult.Yes;
42         }
43 
44         private void btnCancel_Click(object sender, EventArgs e)
45         {
46             DialogResult = DialogResult.No;
47         }
48 
49         private void CustomerEditUI_Load(object sender, EventArgs e)
50         {
51             if (isInsert)
52             {
53                 txtName.Focus();
54                 txtCustLevel.Text = "2";
55             }
56             else
57             {
58                 CustomerModel cust = new CustomerModel();
59                 cust = CustomerDAL.GetById(EditingId);
60                 txtName.Text = cust.Name;
61                 dtBirthday.Value = (DateTime)cust.Birthday;
62                 txtTelNum.Text = cust.TelNum;
63                 txtCustLevel.Text = cust.CustLevel.ToString();
64                 txtAddress.Text = cust.Address;
65             }
66         }
67     }
68 }
View Code
技术分享
  1 namespace Customer
  2 {
  3     partial class CustomerEditUI
  4     {
  5         /// <summary>
  6         /// Required designer variable.
  7         /// </summary>
  8         private System.ComponentModel.IContainer components = null;
  9 
 10         /// <summary>
 11         /// Clean up any resources being used.
 12         /// </summary>
 13         /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
 14         protected override void Dispose(bool disposing)
 15         {
 16             if (disposing && (components != null))
 17             {
 18                 components.Dispose();
 19             }
 20             base.Dispose(disposing);
 21         }
 22 
 23         #region Windows Form Designer generated code
 24 
 25         /// <summary>
 26         /// Required method for Designer support - do not modify
 27         /// the contents of this method with the code editor.
 28         /// </summary>
 29         private void InitializeComponent()
 30         {
 31             this.txtName = new System.Windows.Forms.TextBox();
 32             this.txtTelNum = new System.Windows.Forms.TextBox();
 33             this.txtCustLevel = new System.Windows.Forms.TextBox();
 34             this.txtAddress = new System.Windows.Forms.TextBox();
 35             this.label1 = new System.Windows.Forms.Label();
 36             this.label2 = new System.Windows.Forms.Label();
 37             this.label3 = new System.Windows.Forms.Label();
 38             this.label4 = new System.Windows.Forms.Label();
 39             this.label5 = new System.Windows.Forms.Label();
 40             this.btnSave = new System.Windows.Forms.Button();
 41             this.btnCancel = new System.Windows.Forms.Button();
 42             this.dtBirthday = new System.Windows.Forms.DateTimePicker();
 43             this.SuspendLayout();
 44             // 
 45             // txtName
 46             // 
 47             this.txtName.Location = new System.Drawing.Point(146, 54);
 48             this.txtName.Name = "txtName";
 49             this.txtName.Size = new System.Drawing.Size(100, 21);
 50             this.txtName.TabIndex = 0;
 51             // 
 52             // txtTelNum
 53             // 
 54             this.txtTelNum.Location = new System.Drawing.Point(503, 57);
 55             this.txtTelNum.Name = "txtTelNum";
 56             this.txtTelNum.Size = new System.Drawing.Size(100, 21);
 57             this.txtTelNum.TabIndex = 1;
 58             // 
 59             // txtCustLevel
 60             // 
 61             this.txtCustLevel.Location = new System.Drawing.Point(503, 117);
 62             this.txtCustLevel.Name = "txtCustLevel";
 63             this.txtCustLevel.Size = new System.Drawing.Size(100, 21);
 64             this.txtCustLevel.TabIndex = 3;
 65             // 
 66             // txtAddress
 67             // 
 68             this.txtAddress.Location = new System.Drawing.Point(146, 179);
 69             this.txtAddress.Name = "txtAddress";
 70             this.txtAddress.Size = new System.Drawing.Size(457, 21);
 71             this.txtAddress.TabIndex = 4;
 72             // 
 73             // label1
 74             // 
 75             this.label1.AutoSize = true;
 76             this.label1.Location = new System.Drawing.Point(77, 60);
 77             this.label1.Name = "label1";
 78             this.label1.Size = new System.Drawing.Size(29, 12);
 79             this.label1.TabIndex = 5;
 80             this.label1.Text = "姓名";
 81             // 
 82             // label2
 83             // 
 84             this.label2.AutoSize = true;
 85             this.label2.Location = new System.Drawing.Point(426, 60);
 86             this.label2.Name = "label2";
 87             this.label2.Size = new System.Drawing.Size(53, 12);
 88             this.label2.TabIndex = 6;
 89             this.label2.Text = "电话号码";
 90             // 
 91             // label3
 92             // 
 93             this.label3.AutoSize = true;
 94             this.label3.Location = new System.Drawing.Point(77, 120);
 95             this.label3.Name = "label3";
 96             this.label3.Size = new System.Drawing.Size(29, 12);
 97             this.label3.TabIndex = 7;
 98             this.label3.Text = "生日";
 99             // 
100             // label4
101             // 
102             this.label4.AutoSize = true;
103             this.label4.Location = new System.Drawing.Point(426, 120);
104             this.label4.Name = "label4";
105             this.label4.Size = new System.Drawing.Size(29, 12);
106             this.label4.TabIndex = 8;
107             this.label4.Text = "级别";
108             // 
109             // label5
110             // 
111             this.label5.AutoSize = true;
112             this.label5.Location = new System.Drawing.Point(77, 182);
113             this.label5.Name = "label5";
114             this.label5.Size = new System.Drawing.Size(53, 12);
115             this.label5.TabIndex = 9;
116             this.label5.Text = "通信地址";
117             // 
118             // btnSave
119             // 
120             this.btnSave.DialogResult = System.Windows.Forms.DialogResult.Yes;
121             this.btnSave.Location = new System.Drawing.Point(392, 257);
122             this.btnSave.Name = "btnSave";
123             this.btnSave.Size = new System.Drawing.Size(75, 23);
124             this.btnSave.TabIndex = 10;
125             this.btnSave.Text = "保存";
126             this.btnSave.UseVisualStyleBackColor = true;
127             this.btnSave.Click += new System.EventHandler(this.btnSave_Click);
128             // 
129             // btnCancel
130             // 
131             this.btnCancel.Location = new System.Drawing.Point(528, 257);
132             this.btnCancel.Name = "btnCancel";
133             this.btnCancel.Size = new System.Drawing.Size(75, 23);
134             this.btnCancel.TabIndex = 11;
135             this.btnCancel.Text = "取消";
136             this.btnCancel.UseVisualStyleBackColor = true;
137             this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
138             // 
139             // dtBirthday
140             // 
141             this.dtBirthday.Location = new System.Drawing.Point(146, 114);
142             this.dtBirthday.Name = "dtBirthday";
143             this.dtBirthday.Size = new System.Drawing.Size(200, 21);
144             this.dtBirthday.TabIndex = 12;
145             // 
146             // CustomerEditUI
147             // 
148             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
149             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
150             this.ClientSize = new System.Drawing.Size(732, 348);
151             this.Controls.Add(this.dtBirthday);
152             this.Controls.Add(this.btnCancel);
153             this.Controls.Add(this.btnSave);
154             this.Controls.Add(this.label5);
155             this.Controls.Add(this.label4);
156             this.Controls.Add(this.label3);
157             this.Controls.Add(this.label2);
158             this.Controls.Add(this.label1);
159             this.Controls.Add(this.txtAddress);
160             this.Controls.Add(this.txtCustLevel);
161             this.Controls.Add(this.txtTelNum);
162             this.Controls.Add(this.txtName);
163             this.Name = "CustomerEditUI";
164             this.Text = "CustomerEditUI";
165             this.Load += new System.EventHandler(this.CustomerEditUI_Load);
166             this.ResumeLayout(false);
167             this.PerformLayout();
168 
169         }
170 
171         #endregion
172 
173         private System.Windows.Forms.TextBox txtName;
174         private System.Windows.Forms.TextBox txtTelNum;
175         private System.Windows.Forms.TextBox txtCustLevel;
176         private System.Windows.Forms.TextBox txtAddress;
177         private System.Windows.Forms.Label label1;
178         private System.Windows.Forms.Label label2;
179         private System.Windows.Forms.Label label3;
180         private System.Windows.Forms.Label label4;
181         private System.Windows.Forms.Label label5;
182         private System.Windows.Forms.Button btnSave;
183         private System.Windows.Forms.Button btnCancel;
184         private System.Windows.Forms.DateTimePicker dtBirthday;
185     }
186 }
View Code
技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Windows.Forms;
 9 using Customer.DAL;
10 using Customer.Model;
11 
12 namespace Customer
13 {
14     public partial class CustomerListUI : Form
15     {
16         public CustomerListUI()
17         {
18             InitializeComponent();
19         }
20 
21         void LoadData()
22         {
23             dataGridView1.DataSource = CustomerDAL.GetAll();
24         }
25 
26         private void CustomerListUI_Load(object sender, EventArgs e)
27         {
28             LoadData();
29         }
30 
31         private void toolStripButton1_Click(object sender, EventArgs e)
32         {
33             CustomerEditUI editUI = new CustomerEditUI();
34             editUI.isInsert = true;
35             editUI.ShowDialog();
36             if (editUI.DialogResult == DialogResult.Yes)
37             {
38                 LoadData();
39             }
40 
41         }
42 
43         private void toolStripButton2_Click(object sender, EventArgs e)
44         {
45             if (dataGridView1.SelectedRows.Count <= 0)
46             {
47                 MessageBox.Show("请选择要编辑的行!");
48                 return;
49             }
50             else if(dataGridView1.SelectedRows.Count >=2)
51             {
52                 MessageBox.Show("只能选择一行!");
53                 return;
54             }
55             else
56             {
57                 CustomerModel cust = (CustomerModel)dataGridView1.SelectedRows[0].DataBoundItem;
58                 CustomerEditUI editUI = new CustomerEditUI();
59                 editUI.isInsert = false;
60                 editUI.EditingId = cust.Id;
61                 editUI.ShowDialog();
62                 if (editUI.DialogResult == DialogResult.Yes)
63                 {
64                     LoadData();
65                 }
66             }
67             
68         }
69 
70         private void toolStripButton3_Click(object sender, EventArgs e)
71         {
72             if (dataGridView1.SelectedRows.Count <= 0)
73             {
74                 MessageBox.Show("请选择要编辑的行!");
75                 return;
76             }
77             
78             DialogResult dr = MessageBox.Show("是否确定", "询问", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
79             if (dr == DialogResult.Yes)
80             {
81                 for (int i = 0; i < dataGridView1.SelectedRows.Count; i++)
82                 {
83                     CustomerModel cust = (CustomerModel)dataGridView1.SelectedRows[i].DataBoundItem;
84                     CustomerDAL.DeleteById(cust.Id);
85                 }
86             }
87             LoadData();
88         }
89     }
90 }
View Code
技术分享
  1 namespace Customer
  2 {
  3     partial class CustomerListUI
  4     {
  5         /// <summary>
  6         /// 必需的设计器变量。
  7         /// </summary>
  8         private System.ComponentModel.IContainer components = null;
  9 
 10         /// <summary>
 11         /// 清理所有正在使用的资源。
 12         /// </summary>
 13         /// <param name="disposing">如果应释放托管资源,为 true;否则为 false。</param>
 14         protected override void Dispose(bool disposing)
 15         {
 16             if (disposing && (components != null))
 17             {
 18                 components.Dispose();
 19             }
 20             base.Dispose(disposing);
 21         }
 22 
 23         #region Windows 窗体设计器生成的代码
 24 
 25         /// <summary>
 26         /// 设计器支持所需的方法 - 不要
 27         /// 使用代码编辑器修改此方法的内容。
 28         /// </summary>
 29         private void InitializeComponent()
 30         {
 31             System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(CustomerListUI));
 32             this.toolStrip1 = new System.Windows.Forms.ToolStrip();
 33             this.toolStripButton1 = new System.Windows.Forms.ToolStripButton();
 34             this.toolStripButton2 = new System.Windows.Forms.ToolStripButton();
 35             this.toolStripButton3 = new System.Windows.Forms.ToolStripButton();
 36             this.dataGridView1 = new System.Windows.Forms.DataGridView();
 37             this.toolStrip1.SuspendLayout();
 38             ((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).BeginInit();
 39             this.SuspendLayout();
 40             // 
 41             // toolStrip1
 42             // 
 43             this.toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
 44             this.toolStripButton1,
 45             this.toolStripButton2,
 46             this.toolStripButton3});
 47             this.toolStrip1.Location = new System.Drawing.Point(0, 0);
 48             this.toolStrip1.Name = "toolStrip1";
 49             this.toolStrip1.Size = new System.Drawing.Size(1112, 25);
 50             this.toolStrip1.TabIndex = 0;
 51             this.toolStrip1.Text = "toolStrip1";
 52             // 
 53             // toolStripButton1
 54             // 
 55             this.toolStripButton1.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
 56             this.toolStripButton1.Image = ((System.Drawing.Image)(resources.GetObject("toolStripButton1.Image")));
 57             this.toolStripButton1.ImageTransparentColor = System.Drawing.Color.Magenta;
 58             this.toolStripButton1.Name = "toolStripButton1";
 59             this.toolStripButton1.Size = new System.Drawing.Size(23, 22);
 60             this.toolStripButton1.Text = "toolStripButton1";
 61             this.toolStripButton1.Click += new System.EventHandler(this.toolStripButton1_Click);
 62             // 
 63             // toolStripButton2
 64             // 
 65             this.toolStripButton2.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
 66             this.toolStripButton2.Image = ((System.Drawing.Image)(resources.GetObject("toolStripButton2.Image")));
 67             this.toolStripButton2.ImageTransparentColor = System.Drawing.Color.Magenta;
 68             this.toolStripButton2.Name = "toolStripButton2";
 69             this.toolStripButton2.Size = new System.Drawing.Size(23, 22);
 70             this.toolStripButton2.Text = "toolStripButton2";
 71             this.toolStripButton2.Click += new System.EventHandler(this.toolStripButton2_Click);
 72             // 
 73             // toolStripButton3
 74             // 
 75             this.toolStripButton3.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
 76             this.toolStripButton3.Image = ((System.Drawing.Image)(resources.GetObject("toolStripButton3.Image")));
 77             this.toolStripButton3.ImageTransparentColor = System.Drawing.Color.Magenta;
 78             this.toolStripButton3.Name = "toolStripButton3";
 79             this.toolStripButton3.Size = new System.Drawing.Size(23, 22);
 80             this.toolStripButton3.Text = "toolStripButton3";
 81             this.toolStripButton3.Click += new System.EventHandler(this.toolStripButton3_Click);
 82             // 
 83             // dataGridView1
 84             // 
 85             this.dataGridView1.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
 86             this.dataGridView1.Location = new System.Drawing.Point(12, 28);
 87             this.dataGridView1.Name = "dataGridView1";
 88             this.dataGridView1.RowTemplate.Height = 23;
 89             this.dataGridView1.Size = new System.Drawing.Size(1088, 361);
 90             this.dataGridView1.TabIndex = 1;
 91             // 
 92             // CustomerListUI
 93             // 
 94             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
 95             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
 96             this.ClientSize = new System.Drawing.Size(1112, 401);
 97             this.Controls.Add(this.dataGridView1);
 98             this.Controls.Add(this.toolStrip1);
 99             this.Name = "CustomerListUI";
100             this.Text = "CustomerListUI";
101             this.Load += new System.EventHandler(this.CustomerListUI_Load);
102             this.toolStrip1.ResumeLayout(false);
103             this.toolStrip1.PerformLayout();
104             ((System.ComponentModel.ISupportInitialize)(this.dataGridView1)).EndInit();
105             this.ResumeLayout(false);
106             this.PerformLayout();
107 
108         }
109 
110         #endregion
111 
112         private System.Windows.Forms.ToolStrip toolStrip1;
113         private System.Windows.Forms.ToolStripButton toolStripButton1;
114         private System.Windows.Forms.ToolStripButton toolStripButton2;
115         private System.Windows.Forms.ToolStripButton toolStripButton3;
116         private System.Windows.Forms.DataGridView dataGridView1;
117 
118     }
119 }
View Code
技术分享
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Windows.Forms;
 5 
 6 namespace Customer
 7 {
 8     static class Program
 9     {
10         /// <summary>
11         /// 应用程序的主入口点。
12         /// </summary>
13         [STAThread]
14         static void Main()
15         {
16             Application.EnableVisualStyles();
17             Application.SetCompatibleTextRenderingDefault(false);
18             Application.Run(new CustomerListUI());
19         }
20     }
21 }
View Code

 

传智播客数据绑定和数据库开发基础(第四季)-杨中科

标签:

原文地址:http://www.cnblogs.com/liuslayer/p/4713787.html

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!