三层架构代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

/*
 *用户实体信息层
 *
 *
 */
namespace OnLineExam.MODEL
{
    public class UserInfo
    {
        #region 私有成员
        private string _userID;
        private string _userName;
        private string _userPwd;
        private int _roleID;
        #endregion
        #region 公有成员
        public string UserID
        {
            get { return _userID; }
            set { _userID = value; }
        }
       

        public string UserName
        {
            get { return _userName; }
            set { _userName = value; }
        }
      

        public string UserPwd
        {
            get { return _userPwd; }
            set { _userPwd = value; }
        }
       

        public int RoleID
        {
            get { return _roleID; }
            set { _roleID = value; }
        }
        #endregion

    }
}