/// <summary>
/// 判断用户名是否存在
/// </summary>
/// <param name="UserName">要判断是否存在的用户名</param>
/// <returns></returns>
public bool isHaveThisUserName(string UserName)
{
UserinfoDAL BLL = new UserinfoDAL();
userinfo uif = BLL.isHaveThisUserName(UserName);
if (uif == null)
{
return(false);
}
return(true);
}
/// <summary>
/// 根据用户名获取指定用户信息
/// </summary>
/// <param name="UserName">要判断是否存在的用户名</param>
/// <returns></returns>
public userinfo GetThisUserNameInfo(string UserName)
{
UserinfoDAL BLL = new UserinfoDAL();
return(BLL.isHaveThisUserName(UserName));
}