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POwpf binding in template and on ItemsSource property
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  1. POwpf binding in template and on ItemsSource property
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    copied!<p>I have the ItemsSource property of a DataGrid bind to a property of my ViewModel!</p> <pre><code>&lt;DataGrid ItemsSource="{Binding Path=ExcelData}" ColumnHeaderStyle="{DynamicResource ColumnHeaderStyle}" Grid.Row="1" Margin="0 10 0 10" Visibility="{Binding DisplayGridView, Converter={StaticResource booltovisibility}}" CanUserReorderColumns="False" CanUserResizeColumns="False" CanUserSortColumns="False" /&gt; </code></pre> <p>As you can see, the DataGrid has a special header template. </p> <pre><code>&lt;Style x:Key="ColumnHeaderStyle" TargetType="{x:Type DataGridColumnHeader}"&gt; &lt;Setter Property="VerticalContentAlignment" Value="Center" /&gt; &lt;Setter Property="Background" Value="{x:Static pm:MetroColors.FeatureBrush}" /&gt; &lt;Setter Property="Foreground" Value="White" /&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="DataGridColumnHeader"&gt; &lt;Border BorderThickness="2" CornerRadius="5" Background="{x:Static pm:MetroColors.FeatureBrush}" BorderBrush="{x:Static pm:MetroColors.FeatureBrush}"&gt; &lt;StackPanel&gt; &lt;ComboBox ItemsSource="{Binding ComboDataSource}" DisplayMemberPath="Text" SelectedValuePath="Name" ext:ComboBoxExtensions.ComboBoxName="{TemplateBinding Content}" SelectionChanged="ComboBox_SelectionChanged" /&gt; &lt;Label Content="{TemplateBinding Content}" /&gt; &lt;/StackPanel&gt; &lt;/Border&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; </code></pre> <p>Problem : the combobox is not filled.</p> <p>I have this output :</p> <pre><code>System.Windows.Data Error: 40 : BindingExpression path error: 'ComboDataSource' property not found on 'object' ''String' (HashCode=752763509)'. BindingExpression:Path=ComboDataSource; DataItem='String' (HashCode=752763509); target element is 'ComboBox' (Name=''); target property is 'ItemsSource' (type 'IEnumerable') </code></pre> <p>I am agree with it! there is no property named ComboDataSource on the object binded to the columnheader.</p> <p>How can I bind my combobox to a different source?</p>
 

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