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SfDatagrid Exception when sorting

I modified SfDataGrid, so the datagrid assign new ItemsSource of the datagrid, when it sort rows by clicking on datagrid header.

but i updated nuget packages, now it throws exception on line 31 (see attachment):
ItemsSource = l;

I can fill ItemsSource till I click on the header of the datagrid, then it throws following exception:

   at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
   at Syncfusion.Data.CollectionViewAdv.EndDeferInternal()
   at Syncfusion.Data.CollectionViewAdv.EndDefer()
   at Syncfusion.Data.CollectionViewAdv.DeferHelper.Dispose(Boolean isDisposing)
   at Syncfusion.Data.CollectionViewAdv.DeferHelper.Dispose()
   at Syncfusion.Data.CollectionViewAdv.Dispose(Boolean isDisposing)
   at Syncfusion.UI.Xaml.Grid.GridQueryableCollectionViewWrapper.Dispose(Boolean isDisposing)
   at Syncfusion.Data.CollectionViewAdv.Dispose()
   at Syncfusion.UI.Xaml.Grid.SfDataGrid.DisposeViewOnItemsSourceChanged()
   at Syncfusion.UI.Xaml.Grid.SfDataGrid.OnItemsSourceChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
   at Syncfusion.UI.Xaml.Grid.GridPropertyMetadata.OnDependencyPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
   at Syncfusion.UI.Xaml.Grid.GridPropertyMetadata.OnInternalDependencyPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
   at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
   at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
   at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
   at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
   at System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
   at System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
   at Syncfusion.UI.Xaml.Grid.SfDataGrid.set_ItemsSource(Object value)
   at My.Controls.EDataGrid.<fillDataGridAsync>d__19.MoveNext() in D:\Projects\CustomControls\CustomControls\DataGrid\EDataGrid.cs:line 186

I installed this nuget packages:  <package id="Syncfusion.Data.WPF46" version="" targetFramework="net461" />
  <package id="Syncfusion.SfGrid.WPF46" version="" targetFramework="net461" />
  <package id="Syncfusion.SfGridCommon.WPF46" version="" targetFramework="net461" />
  <package id="Syncfusion.Shared.WPF46" version="" targetFramework="net461" />

IDE: Visual studio 2015, 2017
OS: Windows 10 64 bit

Do you know where might be problem?

4 Replies

OD Oto Dusek April 25, 2017 09:10 PM UTC

Sorry attachment doesn't work, so there is source code
public sealed class EDataGrid : SfDataGrid{
 SortColumnDescriptions scd = new SortColumnDescriptions();
 private void EDataGrid_SortColumnsChanged(object sender, GridSortColumnsChangedEventArgs e)
  SortColumnDescriptions = scd;
 private void EDataGrid_SortColumnsChanging(object sender, GridSortColumnsChangingEventArgs e)
  if (e.AddedItems.Any()) {
   args.SortColumn = e.AddedItems[0].ColumnName;
   args.SortDirection = e.AddedItems[0].SortDirection;
  } else {
   args.SortDirection = ListSortDirection.Ascending;
  foreach (var a in e.AddedItems) {
  foreach (var a in e.RemovedItems) {
 private async void fillDataGridAsync() {
  var l = await rep.GetPageAsync(args);
  ItemsSource = l;

BR Balamurugan Rajaraman Syncfusion Team April 26, 2017 02:49 PM UTC

Hi Oto 
Thank you for contact Syncfusion support 
We have checked your query “Exception raised when applying sorting”. We were unable to reproduce the reported issue from our side.  We have attached the tested sample for your reference. Could you please revert us by modified the sample to reproduce the reported issue at our end. It will greatly helpful for us to analyze further. 
Balamurugan R  

OD Oto Dusek April 27, 2017 07:05 PM UTC

Sorry, I cant reproduce it on other project.

BR Balamurugan Rajaraman Syncfusion Team May 2, 2017 12:43 PM UTC

Hi Oto,  
We have analyzed your query and we have created a support incident to track the status of this forum has been created under your account. Please log on to our support website to check for further updates  
Balamurugan R  

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