Questions on UI for WPF Forum

1 answer

244 views

Hi,

I need to display the rad panel bar with an expandable button, but not with an arrow. I want to have an button image instead of default arrow. I have attached the sample image of it.

Kindly help me in acheiving this.

Thanks,
Subash

PanelBar

answered on 09 Jan 2013

8 answers

491 views

[Solved] RadGridView in 2012 Q3 throws an Exception {"Add value to collection of type 'System.Windows.Controls.UIElementCollection' threw an exception."}

Hi, i have recently switched to 2012 Q3 and now the view throws an Exception when loading the radgridview in the UI. Any ideas?

Thanks in advance.

View :

<telerik:RadGridView x:Name="dg1"
Grid.Row="1" Grid.ColumnSpan="2"
ColumnWidth="*" UseLayoutRounding="False"
ItemsSource="{Binding FilterView}"
SelectionMode="Extended"
SelectedItem="{Binding SelectedItem, Mode=TwoWay}"
AutoGenerateColumns="False" Margin="5" ShowGroupPanel="False"
RowIndicatorVisibility="Collapsed"
CanUserDeleteRows="False"
CanUserFreezeColumns="False"
CanUserInsertRows="False"
IsReadOnly="True"
IsFilteringAllowed="False">

<i:Interaction.Behaviors>
<Behaviors:RadGridViewMultiSelectorBehavior
SelectedItems="{Binding SelectedItems, Mode=TwoWay}" />
</i:Interaction.Behaviors>

<telerik:RadGridView.InputBindings>
<MouseBinding Gesture="LeftDoubleClick" Command="{Binding Edit}" />
</telerik:RadGridView.InputBindings>
<telerik:RadGridView.Columns>
<telerik:GridViewDataColumn Header="{loc:Localize name, STV}" Width="*"
DataMemberBinding="{Binding Name}" />
<telerik:GridViewDataColumn Header="{loc:Localize type, STV}" Width="*"
DataMemberBinding="{Binding WorkflowInfo.DisplayName, Converter={StaticResource LocalizationConverter}, ConverterParameter=STV}" />
<telerik:GridViewDataColumn Header="{loc:Localize created, STV}"
DataMemberBinding="{Binding DateCreated, StringFormat='d', ConverterCulture={x:Static Globalization:CultureInfo.CurrentCulture}}"
Width="Auto" />
</telerik:RadGridView.Columns>
</telerik:RadGridView>

XAMLParseException ocurred

Add value to collection of type 'System.Windows.Controls.UIElementCollection' threw an exception.

Inner Exception: {"Value cannot be null.\r\nParameter name: element"}

at System.Windows.Markup.XamlReader.RewrapException(Exception e, Uri baseUri) 

at System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlReader templateReader, XamlObjectWriter currentWriter) 

at System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlObjectWriter objectWriter) 

at System.Windows.FrameworkTemplate.LoadOptimizedTemplateContent(DependencyObject container, IComponentConnector componentConnector, IStyleConnector styleConnector, List`1 affectedChildren, UncommonField`1 templatedNonFeChildrenField)<

br>

at System.Windows.FrameworkTemplate.LoadContent(DependencyObject container, List`1 affectedChildren)<br>

at System.Windows.StyleHelper.ApplyTemplateContent(UncommonField`1 dataField, DependencyObject container, FrameworkElementFactory templateRoot, Int32 lastChildIndex, HybridDictionary childIndexFromChildID, FrameworkTemplate frameworkTemplate)<

br>

at System.Windows.FrameworkTemplate.ApplyTemplateContent(UncommonField`1 templateDataField, FrameworkElement container)<br>

at System.Windows.FrameworkElement.ApplyTemplate() 