/// <summary>
/// 是否存在帐号
/// By xzz 2010-11-8
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
public string IsExistUser(string userName)
{
DataTable dt = userService.IsExistUser(userName);
if (dt.Rows.Count > 0)
{
return("帐号已存在");
}
else
{
return("帐号可以使用");
}
}
