public DataTable Authorize(string UserName, string Password) { try { if (UserName == "admin" && Password == "admin") { return(new System.Data.DataTable("admin")); } else { DBA = new UserBLL(UserName, Password); if (DBA.ValidateFromDB()) { return(DBA.GetUserFromDB()); } else { return(null); } } } catch (Exception) { throw; } }