private void saveW_Click(object sender, RoutedEventArgs e) { try { WarehouseController controller = new WarehouseController(); string data1 = addnameboxW.Text; string data2 = addprovinceboxW.Text; string data3 = addregencyboxW.Text; string data4 = addsubdistrictboxW.Text; string data5 = addlocationboxW.Text; controller.Insert(data1, data2, data3, data4, data5); MessageBox.Show("Insert data Success", "Message", MessageBoxButton.OK, MessageBoxImage.Information); this.Hide(); } catch (Exception ex) { MessageBox.Show(ex.Message); MessageBox.Show(ex.StackTrace); System.Console.Write(ex.InnerException); } }