/// <summary>
/// Deletes the currently selected event.
/// </summary>
private void DeleteEvent()
{
if (DetailsDataContext.SelectedEvent == null)
{
return;
}
dialogBox = new DialogBox(DialogBoxType.WARNING, "DELETE!", "Would you like to delete this event?");
dialogBox.ShowDialog();
if (dialogBox.Answer == DialogAnswer.NO)
{
return;
}
using (var context = new EventDatabaseEntities())
{
var deleteItem = context.Events.FirstOrDefault(x => x.ID == SelectedEvent.CurrentEvent.ID);
context.Events.Remove(deleteItem);
context.SaveChanges();
// Remove the deleted event from the UI.
var delete = TodayEventsList.FirstOrDefault(r => r.CurrentEvent.ID == SelectedEvent.CurrentEvent.ID);
TodayEventsList.Remove(delete);
DetailsDataContext.TodayTasksList = null;
DetailsDataContext.SelectedEvent = null;
DetailsDataContext.ProgressbarValue = 0;
dialogBox = new DialogBox("Event deleted successfully!");
dialogBox.Show();
}
}
/// <summary>
/// Directly deletes an event from the today's list.
/// </summary>
/// <param name="sender"></param>
private void DirectDelete()
{
dialogBox = new DialogBox(DialogBoxType.WARNING, "DELETE!", "Would you like to delete this event?");
dialogBox.ShowDialog();
if (dialogBox.Answer == DialogAnswer.NO)
{
return;
}
// GOT A BIG ERROR HERE AFTER EDITING...
using (var context = new EventDatabaseEntities())
{
// Create a new object to avoid DbUpdateConcurrencyException.
var deleteItem = context.Events.FirstOrDefault(x => x.ID == SelectedEvent.CurrentEvent.ID);
context.Events.Remove(deleteItem);
context.SaveChanges();
// Remove deleted event from the UI.
DetailsDataContext.TodayTasksList = new ObservableCollection <Task>();
TodayEventsList.Remove(SelectedEvent);
DetailsDataContext.SelectedEvent = null;
DetailsDataContext.ProgressbarValue = 0;
}
}