private void saveLocationButton_Click(object sender, EventArgs e) { int pos; Location loc = new Location(); DatabaseHandler db; if (int.TryParse(positionTB.Text, out pos)) { loc.Position = pos; loc.Name = nameTB.Text; loc.info = informationRTB.Text; if (loc.Name.Length > 0) { db = new DatabaseHandler(); db.saveLocation(loc); this.Close(); } else { MessageBox.Show("Platsen måste ha ett namn"); } } else { MessageBox.Show("Position måste vara i siffror endast"); } }