private void NewMethod() { try { WaitingFrom.ShowWait(""); DataTable dt = bll_Order.GetList_TWOrderAdd(txt_GZ.Text.Trim(), txt_STD.Text.Trim()).Tables[0]; gc_Order.DataSource = dt; gv_Order.BestFitColumns(); SetGridViewRowNum.SetRowNum(gv_Order); WaitingFrom.CloseWait(); } catch (Exception ex) { MessageBox.Show(ex.Message); } }