private void buttonToAddVeichle_Click(object sender, EventArgs e) { string type = textBoxType.Text; int year = Convert.ToInt32(numericUpDownYearOfMake.Value); Veichles addVeichle = new Veichles(type, year, modelID, veichlePlaceID); db.addVeichle(addVeichle); //MessageBox.Show(veichlePlaceID.ToString()); }