//Изменение данных private void bt_Update_Service_Click(object sender, RoutedEventArgs e) { if (tb_Name_of_Service.Text.ToString() == "" | tb_Price_of_Service.Text.ToString() == "" | cb_Technic_Info.Text.ToString() == "") { MessageBox.Show("Данные не выбраны!" + "\n Повторите попытку ввода!", "Сервис+", MessageBoxButton.OK, MessageBoxImage.Warning); } else { DataRowView ID = (DataRowView)dgService.SelectedItems[0]; procedures.Service_Update(Convert.ToInt32(ID["ID_Service"]), tb_Name_of_Service.Text.ToString(), Convert.ToDecimal(tb_Price_of_Service.Text.ToString()), Convert.ToInt32(cb_Technic_Info.SelectedValue.ToString())); } }