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Vote

Checkbox with group by error AND order of events firing

Upon upgraded on 20.2.0.40 I noticed the following behavior.  I can resolve it by downgrading to 20.2.0.39.

  1.  In the attached project you'll notice that the "closed" event fires before the "valuechanged" event. This does not happen with regular dropdowns, only multiselect.  When my closed handler fires the changed event has not fired and bound values have not been updated.
  2. In the attached project, when you have a multiselect with GROUPING and CHECKBOX, try clicking check-all.  It will seem to work.  Now try clicking it again, you receive an error along the lines of "

    Error: System.NullReferenceException: Object reference not set to an instance of an object.

       at Syncfusion.Blazor.DropDowns.SfMultiSelect`2.b__674_0(ListOptions`1 item)

       at System.Linq.Enumerable.WhereListIterator`1.MoveNext()

       at System.Linq.Enumerable.TryGetFirst[TSource](IEnumerable`1 source, Boolean& found)"


I used the multi-select example from your website to ensure it was not my setup:

https://blazor.syncfusion.com/documentation/multiselect-dropdown/checkbox-grouping