//Добавление данных private void bt_Insert_Supply_Contract_Click(object sender, RoutedEventArgs e) { if (tb_Name_of_Contract.Text.ToString() == "" | tb_Name_of_Component.Text.ToString() == "" | tb_Price_of_Contract.Text.ToString() == "" | tb_Name_of_Component.Text.ToString() == "" | cb_Name_of_Technic.Text.ToString() == "") { MessageBox.Show("Поля не заполнены! " + "\n Повторите попытку ввода!", "Сервис+", MessageBoxButton.OK, MessageBoxImage.Warning); Supply_Contract ps2 = new Supply_Contract(); ps2.Show(); Hide(); } else { procedures.Supply_Contract_Insert(tb_Name_of_Contract.Text.ToString(), Convert.ToDecimal(tb_Price_of_Contract.Text.ToString()), tb_Name_of_Contract.Text.ToString(), Convert.ToInt32(cb_Name_of_Technic.SelectedValue.ToString())); dgFill(QR); Supply_Contract ps2 = new Supply_Contract(); ps2.Show(); Hide(); } }