This question is locked. New answers and comments are not allowed.
Hi,
After installing SL 5 RC I'm getting an exception at runtime:
{System.ArgumentNullException: Value cannot be null.
Parameter name: element
at MS.Internal.XcpImports.ItemsControl_GetItemsOwner(DependencyObject element)
at System.Windows.Controls.ItemsControl.ItemsControlFromItemContainer(DependencyObject container)
at Telerik.Windows.Controls.ItemsControl.ItemsControlFromItemContainer(DependencyObject container)
at Telerik.Windows.Controls.ListBoxItem.get_ParentSelector()
at Telerik.Windows.Controls.RadComboBoxItem.get_ParentComboBox()
at Telerik.Windows.Controls.RadComboBoxItem.OnContentChanged(Object oldContent, Object newContent)
at System.Windows.Controls.ContentControl.OnContentChanged(IntPtr nativeTarget, CValue& oldContentValue, CValue& newContentValue)}
RadComboBox is declared like
<telerik:RadComboBox x:Name="cmbFilter" VerticalAlignment="Center" FontWeight="Bold"
Background="Transparent" BorderThickness="0"
SelectionChanged="cmbFilter_SelectionChanged">
<telerik:RadComboBox.Items>
<telerik:RadComboBoxItem Content="Guest Name" IsSelected="True"/>
<telerik:RadComboBoxItem Content="File Name"/>
</telerik:RadComboBox.Items>
</telerik:RadComboBox>
Content property is underlined.
But control type doesn't matter. I get such an exception when trying to set Content property of RadTabItem as well.
Target framework for the project is SL4. Telerik Controls version 2011.2.725.1040
How can it be fixed?
Juliana
After installing SL 5 RC I'm getting an exception at runtime:
{System.ArgumentNullException: Value cannot be null.
Parameter name: element
at MS.Internal.XcpImports.ItemsControl_GetItemsOwner(DependencyObject element)
at System.Windows.Controls.ItemsControl.ItemsControlFromItemContainer(DependencyObject container)
at Telerik.Windows.Controls.ItemsControl.ItemsControlFromItemContainer(DependencyObject container)
at Telerik.Windows.Controls.ListBoxItem.get_ParentSelector()
at Telerik.Windows.Controls.RadComboBoxItem.get_ParentComboBox()
at Telerik.Windows.Controls.RadComboBoxItem.OnContentChanged(Object oldContent, Object newContent)
at System.Windows.Controls.ContentControl.OnContentChanged(IntPtr nativeTarget, CValue& oldContentValue, CValue& newContentValue)}
RadComboBox is declared like
<telerik:RadComboBox x:Name="cmbFilter" VerticalAlignment="Center" FontWeight="Bold"
Background="Transparent" BorderThickness="0"
SelectionChanged="cmbFilter_SelectionChanged">
<telerik:RadComboBox.Items>
<telerik:RadComboBoxItem Content="Guest Name" IsSelected="True"/>
<telerik:RadComboBoxItem Content="File Name"/>
</telerik:RadComboBox.Items>
</telerik:RadComboBox>
Content property is underlined.
But control type doesn't matter. I get such an exception when trying to set Content property of RadTabItem as well.
Target framework for the project is SL4. Telerik Controls version 2011.2.725.1040
How can it be fixed?
Juliana