我用到的三种SQLHelper 详细用法

using  System;
using  System.Data;
using  System.Configuration;
using  System.Web;
using  System.Text;
using  System.Collections.Generic;
using  System.Data.SqlClient;
using  SQLHelper;
using  Model;
///   <summary>
///  AdminSQL 的摘要说明
///   </summary>
namespace  DAL
{
     public   class  AdminSQL
    {
         ///   <summary>
         ///  添加
         ///   </summary>
         ///   <param name="admin"></param>
         ///   <returns></returns>
         public   int  Add_Admin(Admin admin)
        {
             SQLHelper.SQLHelper sqlHelper  =   new  SQLHelper.SQLHelper();
             SqlParameter[] ParamList  = { 
                 sqlHelper.CreateInParam( " @UserName " ,SqlDbType.NVarChar, 50 ,admin.UserName),
                 sqlHelper.CreateInParam( " @Password " ,SqlDbType.NVarChar, 50 ,admin.Password),
                 sqlHelper.CreateInParam( " @LastLoginIP " ,SqlDbType.NVarChar, 50 ,admin.LastLoginIP),
                 sqlHelper.CreateInParam( " @LastLoginTime " ,SqlDbType.DateTime, 8 ,admin.LastLoginTime)
             };
              try
             {
                  return (sqlHelper.RunProc( " Add_Admin " , ParamList));
             }
              catch  (Exception ex)
             {
                 SystemError.CreateErrorLog(ex.Message);
                  throw   new  Exception(ex.Message, ex);
             }
        }
         ///   <summary>
         ///  修改
         ///   </summary>
         ///   <param name="admin"></param>
         public   void  Update_Admin(Admin admin)
        {
            SQLHelper.SQLHelper sqlHelper  =   new  SQLHelper.SQLHelper();
            SqlParameter[] ParamList  = { 
                 sqlHelper.CreateInParam( " @ID " ,SqlDbType.Int, 4 ,admin.ID),
                 sqlHelper.CreateInParam( " @UserName " ,SqlDbType.NVarChar, 50 ,admin.UserName),
                 sqlHelper.CreateInParam( " @Password " ,SqlDbType.NVarChar, 50 ,admin.Password),
                 sqlHelper.CreateInParam( " @LastLoginIP " ,SqlDbType.NVarChar, 50 ,admin.LastLoginIP),
                 sqlHelper.CreateInParam( " @LastLoginTime " ,SqlDbType.DateTime, 8 ,admin.LastLoginTime)
             };
             try
            {
                sqlHelper.RunProc( " Update_Admin " , ParamList);
            }
             catch  (Exception ex)
            {
                SystemError.CreateErrorLog(ex.Message);
                 throw   new  Exception(ex.Message, ex);
            }
        }
         ///   <summary>
         ///  删除
         ///   </summary>
         ///   <param name="nID"></param>
         public   void  Delete_Admin( int  nID)
        {
             SQLHelper.SQLHelper sqlHelper  =   new  SQLHelper.SQLHelper();
             SqlParameter[] ParamList  = { sqlHelper.CreateInParam( " @ID " ,SqlDbType.Int, 4 ,nID)};
              try
             {
                 sqlHelper.RunProc( " Delete_Admin " , ParamList);
             }
              catch  (Exception ex)
             {
                 SystemError.CreateErrorLog(ex.Message);
                  throw   new  Exception(ex.Message, ex);
             }
        }
         ///   <summary>
         ///  查看全部,返回包含所有记录.
         ///   </summary>
         ///   <returns></returns>
         public  List < Admin >  Get_Admin()
        {
            SQLHelper.SQLHelper sqlHelper  =   new  SQLHelper.SQLHelper();
            SqlDataReader rec  =   null ;
             try
            {
                sqlHelper.RunProc( " Get_Admin " ,  out  rec);
            }
             catch  (Exception ex)
            {
                SystemError.CreateErrorLog(ex.Message);
                 throw   new  Exception(ex.Message, ex);
            }
            List < Admin >  List_Admin  =   new  List < Admin > ();
             while  (rec.Read())
            {
                Admin admin  =   new  Admin();
                admin.ID  =  Int32.Parse(rec[ " ID " ].ToString());
                admin.UserName  =  rec[ " UserName " ].ToString();
                admin.Password  =  rec[ " Password " ].ToString();
                admin.LastLoginIP  =  rec[ " LastLoginIP " ].ToString();
                admin.LastLoginTime  =  DateTime.Parse(rec[ " LastLoginTime " ].ToString());
                List_Admin.Add(admin);
                admin  =   null ;
            }
            rec.Close();
             return  List_Admin;
        }
         ///   <summary>
         ///  查看单个,输入一个用户名,返回一个包含全部信息的类.
         ///   </summary>
         ///   <param name="nID"></param>
         ///   <returns></returns>
         public  Admin Get_SingAdmin( string  sUserName)
        {
            SQLHelper.SQLHelper sqlHelper  =   new  SQLHelper.SQLHelper();
             // 参数列表                   // SqlHelper的创建参数方法(参数名,对应字段;参数类型;参数值)
            SqlParameter[] ParamList  = { sqlHelper.CreateInParam( " @UserName " , SqlDbType.NVarChar, 50 ,sUserName) };
            SqlDataReader rec  =   null ;
             try
            {
                 // 执行存储过程(存储过程名,参数列表,输出参数)
                sqlHelper.RunProc( " Get_SingAdmin " , ParamList,  out  rec);
            }
             catch  (Exception ex)
            {
                SystemError.CreateErrorLog(ex.Message);
                 throw   new  Exception(ex.Message, ex);
            }
             // Model,一个类对应数据库中一个表
            Admin admin  =   new  Admin();
             while  (rec.Read())
            {
                admin.ID  =  Int32.Parse(rec[ " ID " ].ToString()); // int类型转换
                admin.UserName  =  rec[ " UserName " ].ToString();
                admin.Password  =  rec[ " Password " ].ToString();
                admin.LastLoginIP  =  rec[ " LastLoginIP " ].ToString();
                admin.LastLoginTime  =  DateTime.Parse(rec[ " LastLoginTime " ].ToString());
            }
            rec.Close();
             return  admin;
        }
         ///   <summary>
         ///  用户是否存在
         ///   </summary>
         ///   <param name="sUserName"></param>
         ///   <returns></returns>
         public   bool  Login_Admin( string  sUserName)
        {
            SQLHelper.SQLHelper sqlHelper  =   new  SQLHelper.SQLHelper();
            SqlParameter[] ParamList  = { sqlHelper.CreateInParam( " @UserName " , SqlDbType.NVarChar,  50 , sUserName) };
            SqlDataReader rec  =   null ;
             try
            {
                sqlHelper.RunProc( " Login_Admin " , ParamList,  out  rec);
            }
             catch  (Exception ex)
            {
                SystemError.CreateErrorLog(ex.Message);
                 throw   new  Exception(ex.Message, ex);
            }
             bool  Bool  =   false ;
             while  (rec.Read())
            {
                 if  (sUserName  ==  rec[ " UserName " ].ToString())
                {
                    Bool  =   true ;
                }
            }
            rec.Close();
             return  Bool;
        }
    }
}