protected string BindUserName(string _Id) { string strReturn = ""; HPCBusinessLogic.NguoidungDAL _NguoidungDAL = new NguoidungDAL(); T_Users _nguoidung = new T_Users(); if (!String.IsNullOrEmpty(_Id) && Convert.ToInt32(_Id) > 0) { _nguoidung = _NguoidungDAL.GetUserByUserName_ID(Convert.ToInt32(_Id)); strReturn = _nguoidung.UserFullName; } else { strReturn = ""; } return(strReturn); }