private void Users_Add_Click(object sender, RoutedEventArgs e) { Service.InsertUser(Users_username.Text, Users_password.Text, Convert.ToInt32(Users_phone.Text), Users_fName.Text, Users_lname.Text, (short)(Users_userTypeCombo.SelectedValue), (string)(Users_airportCombo.SelectedValue), username, password); Users_Refresh_Click(sender, e); }