Dynamic Binding Filtering Issue

[Liyo]

I have i have bind my grid to a dynamic object. I am getting following error file i try to filter the grid.


Message: System.InvalidOperationException: The result of the dynamic binding produced by the object with type 'Demo.MyDataRow' for the binder 'Telerik.Windows.Data.SimpleGetIndexBinder' needs at least one restriction.
   at System.Dynamic.DynamicMetaObjectBinder.Bind(Object[] args, ReadOnlyCollection`1 parameters, LabelTarget returnLabel)
   at System.Runtime.CompilerServices.CallSiteBinder.BindCore[T](CallSite`1 site, Object[] args)
   at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
   at lambda_method(Closure , MyDataRow )
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.<DistinctIterator>d__81`1.MoveNext()
   at System.Linq.Enumerable.<TakeIterator>d__3a`1.MoveNext()
   at Telerik.Windows.Controls.GridView.DistinctValueViewModelCollection.AddRangeFromSource(IEnumerable source)
   at Telerik.Windows.Controls.GridView.DistinctValueViewModelCollection.SetSource(IEnumerable source)
   at Telerik.Windows.Controls.GridView.FilteringViewModel.RefreshDistinctValues()
   at Telerik.Windows.Controls.GridView.FilteringViewModel.Refresh()
   at Telerik.Windows.Controls.GridView.FilteringControl.Prepare(GridViewColumn columnToPrepare)
   at Telerik.Windows.Controls.GridView.FilteringDropDown.PrepareFilteringControl()
   at Telerik.Windows.Controls.GridView.FilteringDropDown.OnDropDownPopupOpened(Object sender, EventArgs e)
   at Telerik.Windows.Controls.AutoClosePopupWrapper.OnPopupOpened(Object sender, EventArgs e)
   at MS.Internal.CoreInvokeHandler.InvokeEventHandler(UInt32 typeIndex, Delegate handlerDelegate, Object sender, Object args)
   at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, Int32 actualArgsTypeIndex, String eventName, UInt32 flags)     

Can anyone please help me on this.

i have attached my solution at following path.
http://sdrv.ms/1ekZ5D0


Regards,
Liyo Jose.

[Rossen Hristov]

Hi,

Please, try to correctly override and implement the TryGetIndex and TrySetIndex methods (just as you have done with TryGetMember and TrySetMember) on your dynamic object since you are accessing the Cells through its indexer. Maybe this will help.

Regards,
Rossen Hristov
Telerik

[asif]

Hi,

Anyone can please suggest me what  I am missing. I have Bound the grid with  "IEnumerable<dynamic>" its working fine.

When I apply Filter, just enable filtering in grid i am getting error anyone can please help me.

 

Thanks,