protected async void OnIncludeHistoryChanged(ChangeEventArgs args)
 {
     if ((bool)args.Value)
     {
         Categories = await CategoryDataService.GetAllCategoriesWithEvents(true);
     }
     else
     {
         Categories = await CategoryDataService.GetAllCategoriesWithEvents(false);
     }
 }
 protected async override Task OnInitializedAsync()
 {
     Categories = await CategoryDataService.GetAllCategoriesWithEvents(false);
 }