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POProblem while binding DataGridComboBoxColumn in Datagrid
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  1. POProblem while binding DataGridComboBoxColumn in Datagrid
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    copied!<p>I am novice in WPF. I have a wpftoolkit datagrid where i am using a combo box as datagridcombox column. I am using a observable collection of Codes for binding the combo box. Below is the collection and its class...</p> <pre class="lang-vb prettyprint-override"><code>#Region "Class &amp; Coll" Public Class CodesColl Inherits ObservableCollection(Of Codes) End Class Public Class Codes Private pCode As String Private pDescription As String Public Sub New() pCode = String.Empty pDescription = String.Empty End Sub #End Region #Region "Property" Public Property fldCode() As String Get Return pCode End Get Set(ByVal value As String) pCode = value End Set End Property Public Property fldDescription() As String Get Return pDescription End Get Set(ByVal value As String) pDescription = value End Set End Property #End Region End Class </code></pre> <p>Now what i want achieve is that i need to bind the collection with dropdown in the grid.In my grid i have two columns in first column i have to display the code (fldCode) , and on the selection of the code the next column of the same row will get populated with its description (fldDescription). </p> <p>My Xaml is something like this:</p> <pre><code>&lt;wpfkit:DataGrid Margin="3" Style="{DynamicResource SimpleDataGrid}" FontWeight="Normal" MaxHeight="100" ItemsSource="{Binding Source={StaticResource odpExistingCodesColl}}" AutoGenerateColumns="False" Name="dgCodes" VerticalScrollBarVisibility="Visible" &gt; &lt;wpfkit:DataGrid.Columns&gt; &lt;wpfkit:DataGridTemplateColumn IsReadOnly="True"&gt; &lt;wpfkit:DataGridTemplateColumn.CellTemplate&gt; &lt;DataTemplate&gt; &lt;Image Style="{DynamicResource SimpleImageDelete}"/&gt; &lt;/DataTemplate&gt; &lt;/wpfkit:DataGridTemplateColumn.CellTemplate&gt; &lt;/wpfkit:DataGridTemplateColumn&gt; &lt;wpfkit:DataGridComboBoxColumn Header="Code" DisplayMemberPath="fldCode" SelectedValueBinding="{Binding fldCodes.fldCode}" SelectedValuePath="fldCode" SelectedItemBinding="{Binding fldCodeList}" Width="100" x:Name="cbTCodes" &gt; &lt;wpfkit:DataGridComboBoxColumn.ElementStyle&gt; &lt;Style TargetType="ComboBox"&gt; &lt;Setter Property="IsSynchronizedWithCurrentItem" Value="False" /&gt; &lt;Setter Property ="ItemsSource" Value="{Binding Path=odpCodesColl}"/&gt; &lt;/Style&gt; &lt;/wpfkit:DataGridComboBoxColumn.ElementStyle&gt; &lt;wpfkit:DataGridComboBoxColumn.EditingElementStyle &gt; &lt;Style TargetType="ComboBox"&gt; &lt;Setter Property ="ItemsSource" Value="{Binding Path=odpCodesColl}"/&gt; &lt;Setter Property ="IsDropDownOpen" Value="True"/&gt; &lt;/Style&gt; &lt;/wpfkit:DataGridComboBoxColumn.EditingElementStyle&gt; &lt;/wpfkit:DataGridComboBoxColumn&gt; &lt;wpfkit:DataGridTextColumn Width="375" Header="Description" x:Name="tbTCodeDescription" /&gt; &lt;/wpfkit:DataGrid.Columns&gt; &lt;/wpfkit:DataGrid&gt; </code></pre> <p>odpExistingCodesColl here is another collection through which i am binding the entire grid and is used for sending the code and its description to but i am facing following problems</p> <ol> <li>Unable to display the codes in dropdown.</li> <li>Somehow i manged to do so but it disappears after loosing focus from the combobox.</li> <li>Unable to retrive the description on its selection change as , i am unable to find the event too.</li> </ol> <p>So you guys are requested to help me out asap.. any help will be highly appreciated.. Thanks in Advance Amit Ranjan</p>
 

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