Пример #1
0
 /// <summary>
 /// 是否存在该记录
 /// </summary>
 public bool Exists(int id)
 {
     return(dal.Exists(id));
 }
Пример #2
0
 /// <summary>
 /// 查询用户名是否存在
 /// </summary>
 public bool Exists(string user_name)
 {
     return(dal.Exists(user_name));
 }