private void dlt_all_Click(object sender, EventArgs e) { DatabaseHelperClass Db_Helper = new DatabaseHelperClass(); Db_Helper.DeleteAllContact();//delete all DB contacts DB_ContactList.Clear();//Clear collections lst_contacts.ItemsSource = DB_ContactList; }
private async void save_Click(object sender, EventArgs e) { DatabaseHelperClass Db_helper = new DatabaseHelperClass(); if (txt_name.Text != "" & txt_email.Text != "" & txt_number.Text != "" & txt_location.Text != "") { Db_helper.Insert(new Contacts(txt_name.Text,txt_email.Text,txt_number.Text,txt_location.Text)); MessageBox.Show("Contact saved", "Success :)", MessageBoxButton.OK); ResetAll(); } else { MessageBox.Show("Fill all the fields","Error :(",MessageBoxButton.OK); } }