public static string XoaKichThuoc(int id) { try { Guid currentUserID = Guid.NewGuid(); string currentUser = ""; #region Get current User MembershipUser membershipUser = Membership.GetUser(HttpContext.Current.User.Identity.Name); if (membershipUser != null) { currentUser = membershipUser.UserName; currentUserID = (Guid)membershipUser.ProviderUserKey; } #endregion get current User //Initial data context variable, this class is declared in .dbml file in xRPDAL namespace xRPDataContext dts = new xRPDataContext(); var result = dts.Sp_Qldh_LoaiKichThuoc_Deli("DEL1", id, currentUserID, Util.GetIP(), Util.GetPCName()); } catch (Exception) { return("ERROR"); } return("SUCCESS"); }