MVC的增删改查

#pragma warning disable 1591
//------------------------------------------------------------------------------
// <auto-generated>
//     此代码由工具生成。
//     运行时版本:4.0.30319.17929
//
//     对此文件的更改可能会导致不正确的行为，并且如果
//     重新生成代码，这些更改将会丢失。
// </auto-generated>
//------------------------------------------------------------------------------

namespace MvcApplication3.Models
{
    using System.Data.Linq;
    using System.Data.Linq.Mapping;
    using System.Data;
    using System.Collections.Generic;
    using System.Reflection;
    using System.Linq;
    using System.Linq.Expressions;
    using System.ComponentModel;
    using System;
    
    
    [global::System.Data.Linq.Mapping.DatabaseAttribute(Name="linq")]
    public partial class linqDataContext : System.Data.Linq.DataContext
    {
        
        private static System.Data.Linq.Mapping.MappingSource mappingSource = new AttributeMappingSource();
        
    #region 可扩展性方法定义
    partial void OnCreated();
    partial void InsertNation(Nation instance);
    partial void UpdateNation(Nation instance);
    partial void DeleteNation(Nation instance);
    partial void InsertUsers(Users instance);
    partial void UpdateUsers(Users instance);
    partial void DeleteUsers(Users instance);
    #endregion
        
        public linqDataContext() : 
                base(global::System.Configuration.ConfigurationManager.ConnectionStrings["linqConnectionString"].ConnectionString, mappingSource)
        {
            OnCreated();
        }
        
        public linqDataContext(string connection) : 
                base(connection, mappingSource)
        {
            OnCreated();
        }
        
        public linqDataContext(System.Data.IDbConnection connection) : 
                base(connection, mappingSource)
        {
            OnCreated();
        }
        
        public linqDataContext(string connection, System.Data.Linq.Mapping.MappingSource mappingSource) : 
                base(connection, mappingSource)
        {
            OnCreated();
        }
        
        public linqDataContext(System.Data.IDbConnection connection, System.Data.Linq.Mapping.MappingSource mappingSource) : 
                base(connection, mappingSource)
        {
            OnCreated();
        }
        
        public System.Data.Linq.Table<Nation> Nation
        {
            get
            {
                return this.GetTable<Nation>();
            }
        }
        
        public System.Data.Linq.Table<Users> Users
        {
            get
            {
                return this.GetTable<Users>();
            }
        }
    }
    
    [global::System.Data.Linq.Mapping.TableAttribute(Name="dbo.Nation")]
    public partial class Nation : INotifyPropertyChanging, INotifyPropertyChanged
    {
        
        private static PropertyChangingEventArgs emptyChangingEventArgs = new PropertyChangingEventArgs(String.Empty);
        
        private string _NationCode;
        
        private string _NationName;
        
        private EntitySet<Users> _Users;
        
    #region 可扩展性方法定义
    partial void OnLoaded();
    partial void OnValidate(System.Data.Linq.ChangeAction action);
    partial void OnCreated();
    partial void OnNationCodeChanging(string value);
    partial void OnNationCodeChanged();
    partial void OnNationNameChanging(string value);
    partial void OnNationNameChanged();
    #endregion
        
        public Nation()
        {
            this._Users = new EntitySet<Users>(new Action<Users>(this.attach_Users), new Action<Users>(this.detach_Users));
            OnCreated();
        }
        
        [global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_NationCode", DbType="NVarChar(20) NOT NULL", CanBeNull=false, IsPrimaryKey=true)]
        public string NationCode
        {
            get
            {
                return this._NationCode;
            }
            set
            {
                if ((this._NationCode != value))
                {
                    this.OnNationCodeChanging(value);
                    this.SendPropertyChanging();
                    this._NationCode = value;
                    this.SendPropertyChanged("NationCode");
                    this.OnNationCodeChanged();
                }
            }
        }
        
        [global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_NationName", DbType="NVarChar(20)")]
        public string NationName
        {
            get
            {
                return this._NationName;
            }
            set
            {
                if ((this._NationName != value))
                {
                    this.OnNationNameChanging(value);
                    this.SendPropertyChanging();
                    this._NationName = value;
                    this.SendPropertyChanged("NationName");
                    this.OnNationNameChanged();
                }
            }
        }
        
        [global::System.Data.Linq.Mapping.AssociationAttribute(Name="Nation_Users", Storage="_Users", ThisKey="NationCode", OtherKey="Nation")]
        public EntitySet<Users> Users
        {
            get
            {
                return this._Users;
            }
            set
            {
                this._Users.Assign(value);
            }
        }
        
        public event PropertyChangingEventHandler PropertyChanging;
        
        public event PropertyChangedEventHandler PropertyChanged;
        
        protected virtual void SendPropertyChanging()
        {
            if ((this.PropertyChanging != null))
            {
                this.PropertyChanging(this, emptyChangingEventArgs);
            }
        }
        
        protected virtual void SendPropertyChanged(String propertyName)
        {
            if ((this.PropertyChanged != null))
            {
                this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
            }
        }
        
        private void attach_Users(Users entity)
        {
            this.SendPropertyChanging();
            entity.Nation1 = this;
        }
        
        private void detach_Users(Users entity)
        {
            this.SendPropertyChanging();
            entity.Nation1 = null;
        }
    }
    
    [global::System.Data.Linq.Mapping.TableAttribute(Name="dbo.Users")]
    public partial class Users : INotifyPropertyChanging, INotifyPropertyChanged
    {
        
        private static PropertyChangingEventArgs emptyChangingEventArgs = new PropertyChangingEventArgs(String.Empty);
        
        private string _UserName;
        
        private string _Password;
        
        private System.Nullable<bool> _Sex;
        
        private string _NickName;
        
        private System.Nullable<System.DateTime> _Birthday;
        
        private string _Nation;
        
        private EntityRef<Nation> _Nation1;
        
    #region 可扩展性方法定义
    partial void OnLoaded();
    partial void OnValidate(System.Data.Linq.ChangeAction action);
    partial void OnCreated();
    partial void OnUserNameChanging(string value);
    partial void OnUserNameChanged();
    partial void OnPasswordChanging(string value);
    partial void OnPasswordChanged();
    partial void OnSexChanging(System.Nullable<bool> value);
    partial void OnSexChanged();
    partial void OnNickNameChanging(string value);
    partial void OnNickNameChanged();
    partial void OnBirthdayChanging(System.Nullable<System.DateTime> value);
    partial void OnBirthdayChanged();
    partial void OnNationChanging(string value);
    partial void OnNationChanged();
    #endregion
        
        public Users()
        {
            this._Nation1 = default(EntityRef<Nation>);
            OnCreated();
        }
        
        [global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_UserName", DbType="NVarChar(20) NOT NULL", CanBeNull=false, IsPrimaryKey=true)]
        public string UserName
        {
            get
            {
                return this._UserName;
            }
            set
            {
                if ((this._UserName != value))
                {
                    this.OnUserNameChanging(value);
                    this.SendPropertyChanging();
                    this._UserName = value;
                    this.SendPropertyChanged("UserName");
                    this.OnUserNameChanged();
                }
            }
        }
        
        [global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_Password", DbType="NVarChar(20)")]
        public string Password
        {
            get
            {
                return this._Password;
            }
            set
            {
                if ((this._Password != value))
                {
                    this.OnPasswordChanging(value);
                    this.SendPropertyChanging();
                    this._Password = value;
                    this.SendPropertyChanged("Password");
                    this.OnPasswordChanged();
                }
            }
        }
        
        [global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_Sex", DbType="Bit")]
        public System.Nullable<bool> Sex
        {
            get
            {
                return this._Sex;
            }
            set
            {
                if ((this._Sex != value))
                {
                    this.OnSexChanging(value);
                    this.SendPropertyChanging();
                    this._Sex = value;
                    this.SendPropertyChanged("Sex");
                    this.OnSexChanged();
                }
            }
        }
        
        [global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_NickName", DbType="NVarChar(20)")]
        public string NickName
        {
            get
            {
                return this._NickName;
            }
            set
            {
                if ((this._NickName != value))
                {
                    this.OnNickNameChanging(value);
                    this.SendPropertyChanging();
                    this._NickName = value;
                    this.SendPropertyChanged("NickName");
                    this.OnNickNameChanged();
                }
            }
        }
        
        [global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_Birthday", DbType="DateTime")]
        public System.Nullable<System.DateTime> Birthday
        {
            get
            {
                return this._Birthday;
            }
            set
            {
                if ((this._Birthday != value))
                {
                    this.OnBirthdayChanging(value);
                    this.SendPropertyChanging();
                    this._Birthday = value;
                    this.SendPropertyChanged("Birthday");
                    this.OnBirthdayChanged();
                }
            }
        }
        
        [global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_Nation", DbType="NVarChar(20)")]
        public string Nation
        {
            get
            {
                return this._Nation;
            }
            set
            {
                if ((this._Nation != value))
                {
                    if (this._Nation1.HasLoadedOrAssignedValue)
                    {
                        throw new System.Data.Linq.ForeignKeyReferenceAlreadyHasValueException();
                    }
                    this.OnNationChanging(value);
                    this.SendPropertyChanging();
                    this._Nation = value;
                    this.SendPropertyChanged("Nation");
                    this.OnNationChanged();
                }
            }
        }
        
        [global::System.Data.Linq.Mapping.AssociationAttribute(Name="Nation_Users", Storage="_Nation1", ThisKey="Nation", OtherKey="NationCode", IsForeignKey=true)]
        public Nation Nation1
        {
            get
            {
                return this._Nation1.Entity;
            }
            set
            {
                Nation previousValue = this._Nation1.Entity;
                if (((previousValue != value) 
                            || (this._Nation1.HasLoadedOrAssignedValue == false)))
                {
                    this.SendPropertyChanging();
                    if ((previousValue != null))
                    {
                        this._Nation1.Entity = null;
                        previousValue.Users.Remove(this);
                    }
                    this._Nation1.Entity = value;
                    if ((value != null))
                    {
                        value.Users.Add(this);
                        this._Nation = value.NationCode;
                    }
                    else
                    {
                        this._Nation = default(string);
                    }
                    this.SendPropertyChanged("Nation1");
                }
            }
        }
        
        public event PropertyChangingEventHandler PropertyChanging;
        
        public event PropertyChangedEventHandler PropertyChanged;
        
        protected virtual void SendPropertyChanging()
        {
            if ((this.PropertyChanging != null))
            {
                this.PropertyChanging(this, emptyChangingEventArgs);
            }
        }
        
        protected virtual void SendPropertyChanged(String propertyName)
        {
            if ((this.PropertyChanged != null))
            {
                this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
            }
        }
    }
}
#pragma warning restore 1591

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace MvcApplication3.Models
{
    public partial class Users
    {
        public string color//属性扩展
        {
            get
            {
                string s = "";
                if (this._Sex.Value == true)
                {
                    s = "background-color:gray";
                }
                else
                {

                    s = "background-color:red";
                }



                return s;
            
            }
        }



    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using MvcApplication3.Models;

namespace MvcApplication3.Controllers
{
    public class HomeController : Controller
    {
        //
        // GET: /Home/

        public ActionResult Index()//展示主页面
        {
            return View();
        }

        public ActionResult insert()//展示添加界面
        {
            return View();
        }
        //执行添加功能
        public ActionResult insert1(string username,string password,string nickname,string sex,string birthday,string nation)//此处的字段变量必须与form表单的name值一样
        {
            Users u = new Users();
            u.UserName = username;
            u.Password = password;
            u.NickName = nickname;
            u.Sex=Convert.ToBoolean(sex);
            u.Birthday = Convert.ToDateTime(birthday);
            u.Nation = nation;
            new UserData().insert(u);
            return RedirectToAction("Index","Home");
        }
        //执行删除功能
        public ActionResult delete( string id)//“路由”传值方式，必须是id
        {
            
            new UserData().delete(id);
            return RedirectToAction("Index");//由于删除界面和主页面都是同一个，所以跳转界面的参数写一个就可以了
            
        }

        public ActionResult update(string id)
        {
            Users u = new UserData().dan(id);

            ViewBag.hehe = u;//视图背包，把里面的内容“运”到该视图中去，作用仅限于所在视图

            return View();
        }

        public ActionResult update1(Users u)
        {
            bool a= new UserData().update(u);
            return RedirectToAction("Index");
        }




    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace MvcApplication3.Models
{
    public partial class UserData
    {

        linqDataContext cnn = new linqDataContext();
        public List<Users> all()//查询全部方法
        {

            return cnn.Users.ToList();
        }
        public void insert(Users u)//插入
        {
            cnn.Users.InsertOnSubmit(u);
            cnn.SubmitChanges();
        }
        public Users dan(string uname)//查询单条信息
        {
            return cnn.Users.Where(r => r.UserName == uname).FirstOrDefault();
        }
        public void delete(string id)//删除方法
        {
            Users u = cnn.Users.Where(r => r.UserName == id).FirstOrDefault();
            if (u != null)
            {
                cnn.Users.DeleteOnSubmit(u);
                cnn.SubmitChanges();
            }
        }

        public bool update(Users uuu)//修改信息
        {
            Users u = uuu;
            bool a = false;
            Users uu = cnn.Users.Where(r => r.UserName == u.UserName).FirstOrDefault();
            if (uu != null)
            {
                uu.UserName = u.UserName;
                uu.Password = u.Password;
                uu.NickName = u.NickName;
                uu.Sex = u.Sex;
                uu.Birthday = u.Birthday;
                uu.Nation = u.Nation;
                
                try
                {
                    cnn.SubmitChanges();
                    a = true;
                }
                catch
                { }
            }
            return a;
        
        }

    }
}

<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<dynamic>" %>
<%@ Import Namespace="MvcApplication3.Models" %>

<!DOCTYPE html>

<html>
<head runat="server">
    <meta name="viewport" content="width=device-width" />
    <title>Index</title>
</head>
<body>
    <div>
        <table  style="width:100%;background-color:aqua;text-align:center;color:white;">
            <tr style="color:white;background-color:orange;">
                <td>姓名</td>
                <td>密码</td>
                <td>昵称</td>
                <td>性别</td>
                <td>生日</td>
                <td>民族</td>
                <td>操作</td>
            </tr>
            <%
                List<Users> ulist=new UserData().all();
                foreach (Users u in ulist)
                { 
                 %>
             <tr style="color:white;<%=u.color %>">
                <td><%=u.UserName %></td>
                <td><%=u.Password %></td>
                 <td><%=u.NickName %></td>
                 <td><%=u.Sex.Value?"男":"女" %></td>
                 <td><%=u.Birthday.Value.ToString("yyyy年MM月dd日") %></td>
                <td><%=u.Nation1.NationName %></td>
                   <td><a href="Home/update/<%=u.UserName %>">修改</a></td>
                 <td><a href="Home/delete/<%=u.UserName %>">删除</a></td><%--注意“路由”传值Home/delete/值--%>
            </tr>
            <%
            }
                 %>

        </table>
        <a href="/Home/insert">添加</a>

    </div>
</body>
</html>

<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<dynamic>" %>

<!DOCTYPE html>

<html>
<head runat="server">
    <meta name="viewport" content="width=device-width" />
    <title>insert</title>
</head>
<body><%--添加界面--%>
    <div>
        <h1>添加用户</h1>
        <form name="form1" action="insert1" method="post">
        用户名<input type="text" name="username" /><br />
        密码<input type="text" name="password" /><br />
        昵称<input type="text" name="nickname" /><br />
        性别<input type="text" name="sex" /><br />
        生日<input type="text" name="birthday" /><br />
        民族<input type="text" name="nation" /><br />
        <input type="submit" value="提交" />
            </form>
    </div>
</body>
</html>

<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<dynamic>" %>
<%@ import Namespace="MvcApplication3.Models" %>>

<!DOCTYPE html>

<html>
<head runat="server">
    <meta name="viewport" content="width=device-width" />
    <title>update</title>
</head>
<body>
    <div>
          <h1>修改用户</h1>
        <form name="form1" action="/Home/update1" method="post">
          <%
              Users u = ViewBag.hehe;//视图包取值
               %>>
        用户名<input type="text" name="username"  value="<%=u.UserName %>" /><br />
        密码<input type="password" name="password"  value="<%=u.Password %>" /><br />
        昵称<input type="text" name="nickname" value="<%=u.NickName %>" /><br />
        性别<input type="text" name="sex" value="<%=u.Sex %>" /><br />
        生日<input type="text" name="birthday" value="<%=u.Birthday %>" /><br />
        民族<input type="text" name="nation" value="<%=u.Nation %>" /><br />
        <input type="submit" value="确认修改" />
            </form>
    </div>
</body>
</html>