private void L3PageLoaded(object sender, RoutedEventArgs e) { GridTable.InputNumber288("n0", false, false, COL_TotalMoney); GridTable.SetDefaultFilterChangeGrid(); L3Control.SetShortcutPopupMenu(MainMenuControl); try { if (dt.Rows.Count == 0) { LoadSimple(); SetTimer(); } bLoaded = true; } catch (SqlException) { System.Windows.MessageBox.Show("Lỗi!"); bLoaded = false; } }