private void radButton5_Click(object sender, EventArgs e) { DataBase.DataBaseJobs db = new DataBase.DataBaseJobs(); db.AddTest(db.IDText(comboBox14.Text)); comboBox4.Refresh(); dataGridView1.DataSource = db.SelectTemRazdel(); dataGridView2.DataSource = db.SelectText(); dataGridView3.DataSource = db.SelectQuestionall(); dataGridView4.DataSource = db.SelectOtvetall(); MessageBox.Show("Добавление осуществилась!"); }