public void GetMaindata() { if (SortBy == null) { SortBy = "it.Iserial"; } if (Filter != null) { Filter = Filter + "it.TblGeneratePurchaseHeader==(@b)"; } else { ValuesObjects = new Dictionary <string, object>(); Filter = "it.TblGeneratePurchaseHeader==(@b)"; } ValuesObjects.Add("b", _generatepurchasehaderIserial); Loading = true; Client.TblGeneratePurchaseHeaderCurrencyAsync(MainRowList.Count, PageSize, SortBy, Filter, ValuesObjects); }