private void button_Pridat_Click(object sender, EventArgs e) { dt.setSkupina( textBox_Zkratka.Text, Convert.ToInt32(textBox_Rocnik.Text), (comboBox_Semestr.SelectedItem as combobox_item).id, Convert.ToInt32(textBox_Pocet_Student.Text), (comboBox_Forma_Studia.SelectedItem as combobox_item).id, (comboBox_Typ_Studia.SelectedItem as combobox_item).id, (comboBox_Jazyk.SelectedItem as combobox_item).id ); parent.Form_Seznam_Skupin_Load(null, null); }