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[Solved] Facing problem with date filter for a Dynamic RadViewControl

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Raj Yennam asked on 04 Jan 2013, 02:58 PM

Hi,

We have a RadGridView control and at run time we are binding data to this grid through an observablecollection. The observablecollection collection filled data from a Dictionary<string,object>. Data displaying properly with out any issue. At run time i am applying the filters to all the fileds.

On column is having value as date. Fo this filed i am applying a custom date filter. Filter is applying propery without any issue at rum time
but while filtering the data i am getting an exception like:

System.ArgumentException was unhandled by user code
Message=The value "( (Application_Date IsGreaterThanOrEqualTo 1/17/2013 ) AND (Application_Date IsLessThanOrEqualTo 1/17/2013 ) )" is not of type "Telerik.Windows.Data.IFilterDescriptor" and cannot be used in this generic collection.
Parameter name: value
StackTrace:
       at System.ThrowHelper.ThrowWrongValueTypeArgumentException(Object value, Type targetType)
       at System.Collections.ObjectModel.Collection`1.System.Collections.IList.Insert(Int32 index, Object value)
       at Telerik.Windows.Data.CollectionHelper.Insert(IList target, IEnumerable newItems, Int32 startingIndex, IEqualityComparer itemComparer)
       at Telerik.Windows.Data.ObservableCollectionManager.HandleCollectionChanged(IList sender, NotifyCollectionChangedEventArgs args)
       at Telerik.Windows.Data.ObservableCollectionManager.Telerik.Windows.Data.IWeakEventListener<System.Collections.Specialized.NotifyCollectionChangedEventArgs>.ReceiveWeakEvent(Object sender, NotifyCollectionChangedEventArgs args)
       at Telerik.Windows.Data.WeakEvent.WeakListener`1.Handler(Object sender, TArgs args)
       at System.Collections.Specialized.NotifyCollectionChangedEventHandler.Invoke(Object sender, NotifyCollectionChangedEventArgs e)
       at System.Collections.ObjectModel.ObservableCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)
       at Telerik.Windows.Data.RadObservableCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)
       at Telerik.Windows.Data.ObservableItemCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)
       at System.Collections.ObjectModel.ObservableCollection`1.InsertItem(Int32 index, T item)
       at Telerik.Windows.Data.RadObservableCollection`1.InsertItem(Int32 index, T item)
       at Telerik.Windows.Data.FilterDescriptorCollection.InsertItem(Int32 index, IFilterDescriptor item)
       at System.Collections.ObjectModel.Collection`1.Add(T item)
       at TelStrat.Controls.DateRangeFilterControl.FilterGridRecords()
       at TelStrat.Controls.DateRangeFilterControl.OnFilter(Object sender, RoutedEventArgs e)
       at TelStrat.Controls.DateRangeFilterControl.rbDateFilter_SelectionChanged(Object sender, SelectionChangedEventArgs e)
InnerException:
Please suggest.

Adv Thanks & Regards,
Bijay