private void comboBox9_SelectedIndexChanged(object sender, EventArgs e) { DataBase.DataBaseJobs one = new DataBase.DataBaseJobs(); if (one.OptionsDD(comboBox9.Text)) { radioButton1.Visible = true; radioButton2.Visible = true; radioButton3.Visible = true; radioButton4.Visible = true; comboBox10.Visible = false; comboBox11.Visible = false; comboBox12.Visible = false; comboBox13.Visible = false; } else { comboBox10.Visible = true; comboBox11.Visible = true; comboBox12.Visible = true; comboBox13.Visible = true; radioButton1.Visible = false; radioButton2.Visible = false; radioButton3.Visible = false; radioButton4.Visible = false; } }