public List<LOAIVAITRO> SelectLOAIVAITROsAll()
        {
            List<LOAIVAITRO> list = new List<LOAIVAITRO>();
            using (LinQDataContext db = new LinQDataContext(global::DAOAuction.Properties.Settings.Default.webdoantruongConnectionString))
            {
                ISingleResult<LOAIVAITRO_getallResult> lp = db.LOAIVAITRO_getall();
                foreach (LOAIVAITRO_getallResult LOAIVAITRO in lp)
                {
                    LOAIVAITRO var1 = new LOAIVAITRO();
                    var1.MaLoaiVaiTro  = LOAIVAITRO.MaLoaiVaiTro ;
                    var1.TenLoaiVaiTro  = LOAIVAITRO.TenLoaiVaiTro ;

                    list.Add(var1);
                }
                try
                {
                    // Save the changes.
                    db.SubmitChanges();
                }
                // Detect concurrency conflicts.
                catch (ChangeConflictException)
                {
                    // Resolve conflicts.
                    db.ChangeConflicts.ResolveAll(RefreshMode.KeepChanges);
                }
            }

            return list;
        }