using System;

 using System.Collections.Generic;

 using System.Data;

 using System.Linq;

 using System.Text;

 using System.Threading.Tasks;

 namespace 反射_特性

 {

     [AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)]

     public class FieldAttribute : Attribute

     {

         private string _Fields;

         /// <summary>

         /// 字段名称 keleyi.com

         /// </summary>

         public string Fields

         {

             get { return _Fields; }

         }

         private DbType _Dbtype;

         /// <summary>

         /// 字段类型

         /// </summary>

         public DbType Dbtype

         {

             get { return _Dbtype; }

         }

         private int _ValueLength;

         /// <summary>

         /// 字段值长度

         /// </summary>

         public int ValueLength

         {

             get { return _ValueLength; }

         }

         /// <summary>

         /// 构造函数

         /// </summary>

         /// <param name="fields"> 字段名</param>

         /// <param name="types"> 字段类型</param>

         /// <param name="i"> 字段值长度</param>

         public FieldAttribute(string fields, DbType types, int i)

         {

             _Fields = fields;

             _Dbtype = types;

             _ValueLength = i;

         }

     }

 }

 using System;

 using System.Collections.Generic;

 using System.Linq;

 using System.Text;

 using System.Threading.Tasks;

 namespace 反射_特性

 {

     [AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)]

     public class TableAttribute : Attribute

     {

         private string _TableName;

         /// <summary>

         /// 映射的表名

         /// </summary>

         public string TableName

         {

             get { return _TableName; }

         }

         /// <summary>

         /// 定位函数映射表名；

         /// </summary>

         /// <param name="table"></param>

         public TableAttribute(string table)

         {

             _TableName = table;

         }

     }

 }

 using System;

 using System.Collections.Generic;

 using System.Data;

 using System.Linq;

 using System.Text;

 using System.Threading.Tasks;

 namespace 特性_反射

 {

     [Table("Consumers")]

     public class UserInf

     {

         private string _UserID;

         /// <summary>

         /// 登陆ID

         /// </summary>

         [Field("ConsumerID", DbType.String, )]

         public string U_UserID

         {

             get { return _UserID; }

             set { _UserID = value; }

         }

         private string _Psw;

         /// <summary>

         /// 登陆密码

         /// </summary>

         [Field("ConsumerPwd", DbType.String, )]

         public string U_Psw

         {

             get { return _Psw; }

             set { _Psw = value; }

         }

         private string _UserName;

         /// <summary>

         /// 用户别称

         /// </summary>

         [Field("ConsumerName", DbType.String, )]

         public string U_UserName

         {

             get { return _UserName; }

             set { _UserName = value; }

         }

         private string _City;

         /// <summary>

         /// 所住城市

         /// </summary>

         [Field("UserCity", DbType.String, )]

         public string U_City

         {

             get { return _City; }

             set { _City = value; }

         }

         private int _Popedom;

         /// <summary>

         /// 权限

         /// </summary>

         [Field("popedom", DbType.Int32, )]

         public int U_Popedom

         {

             get { return _Popedom; }

             set { _Popedom = value; }

         }

         private DateTime _AddDataTime;

         /// <summary>

         /// 注册时间

         /// </summary>

         [Field("addDataTime", DbType.Date, )]

         public DateTime U_AddDataTime

         {

             get { return _AddDataTime; }

             set { _AddDataTime = value; }

         }

         private int _Sex;

         /// <summary>

         /// 性别

         /// </summary>

         [Field("Sex", DbType.Int32, )]

         public int U_Sex

         {

             get { return _Sex; }

             set { _Sex = value; }

         }

         private int _BirthTime;

         /// <summary>

         /// 出身日期；

         /// </summary>

         [Field("BirthTime", DbType.String, )]

         public int U_BirthTime

         {

             get { return _BirthTime; }

             set { _BirthTime = value; }

         }

     }

 }

                UserInf userss = new UserInf();

                userss.U_UserID = "aw12311";

                userss.U_Psw = "";

                userss.U_UserName = "aw";

                userss.U_City = "武汉";

                userss.U_Popedom = ;

                userss.U_Sex = ;

                userss.U_BirthTime = ;

                userss.U_AddDataTime = DateTime.Now;

                DateIsTableAttribute<UserInf> t = new DateIsTableAttribute<UserInf>();

                Response.Write(" </br>" + t.insertDate(userss));