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值得学习的代码 1

时间:2016-06-15 15:33:42      阅读:149      评论:0      收藏:0      [点我收藏+]

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 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Web;
 5 using System.Web.UI;
 6 using System.Web.UI.WebControls;
 7 using System.Text;
 8 using System.Configuration;
 9 using System.Data.SqlClient;
10 namespace vip20160413
11 {
12     public partial class UserInfo : System.Web.UI.Page
13     {
14         private string sCon = ConfigurationManager.ConnectionStrings["sq_ruanmou"].ToString();//通过名称为sq_ruanmou的节点,获取到链接字符串
15         SqlConnection con = null;//con相当于是电话
16         SqlCommand cmd = null;//用于执行sql语句的
17         SqlDataReader read = null;//用于储存查询结构
18         private void OpenDB()
19         {
20             con = new SqlConnection(sCon);
21             con.Open();//和数据库建立起连接了
22         }
23         private int _userid = 0;
24 
25         public int UserId
26         {
27             get {
28                 try
29                 {
30                     _userid = Request.QueryString["UserId"] == null ? 0 : Convert.ToInt32(Request.QueryString["UserId"].ToString());
31                 }
32                 catch {
33                     _userid = 0;
34                 }
35                 return _userid;
36             }
37             set { _userid = value; }
38         }
39         protected void Page_Load(object sender, EventArgs e)
40         {
41 
42         }
43         public string GetUserInforHtml()
44         {
45             StringBuilder sb = new StringBuilder();
46             if (UserId > 0)
47             {
48                 sb.Append(@"<div class=""das"">");
49                 sb.Append("<table>");
50                 OpenDB();
51                 string sSql = string.Format("select * from UserInfor where UserId={0}", UserId);
52                 using (cmd = new SqlCommand(sSql, con))
53                 {
54                     using (read = cmd.ExecuteReader())
55                     {
56                         if (read.Read())
57                         {
58                             sb.Append(string.Format("<tr><td>用户名:</td><td>{0}</td></tr>", read["UserName"].ToString()));
59                             sb.Append(string.Format("<tr><td>密码:</td><td>{0}</td></tr>", read["Pwd"].ToString()));
60                             sb.Append(string.Format("<tr><td>QQ:</td><td>{0}</td></tr>", read["QQ"].ToString()));
61                             sb.Append(string.Format("<tr><td>班级:</td><td>{0}</td></tr>", read["Phase"].ToString()));
62                             sb.Append(string.Format("<tr><td>手机号:</td><td>{0}</td></tr>", read["PhoneNum"].ToString()));
63                             sb.Append(string.Format("<tr><td>姓名:</td><td>{0}</td></tr>", read["RealName"].ToString()));
64                         }
65                     }
66                 }
67                 sb.Append("</table>");
68                 sb.Append(@"</div>");
69             }
70             return sb.ToString();
71         }
72     }
73 }

 

值得学习的代码 1

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原文地址:http://www.cnblogs.com/anwser-jungle/p/5587368.html

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