private void DeleteButton_Click(object sender, RoutedEventArgs e) { if (eventId != 0) { EventDBContext.IntitalizeDB(); EventDBContext.Delete(eventId); InitializeDataGrid(); ClearAll(); WindowSuccess success = new WindowSuccess(); success.SetContent("Event Deleted Succefully"); success.Show(); } else { WindowError error = new WindowError(); error.SetContent("Event Is Not Selected"); error.Show(); } }