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POUsing checkboxes in a grouped vb.net datagrid
 

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    <p>I have three kind of separate checkbox questions, all related to their use in the same datagrid.</p> <ol> <li><p>I've loaded a datatable, <code>dtAll</code>, into a datagrid, <code>dgdList</code>, and bound each column to the imported data. The datagrid also has an initial column with checkboxes. How can I determine which rows of data have been checked. The intended functionality is for a user to mark two duplicates and merge together. I need to be able to gather row data from the datatable or datagrid whenever the checkbox column is checked</p></li> <li><p>When I group my datagrid into tables, below, it somehow turns off my ability to check more than one checkbox. Everytime i select a new row, it clears all previous checkboxes. I would like to be able to check boxes in multiple rows. (Further, I have to click twice, once to select the row, once to edit the value of the checkbox to true - it would be great if I could do it in a single click).</p> <pre class="lang-vb prettyprint-override"><code>Dim myView As System.ComponentModel.ICollectionView myView = CollectionViewSource.GetDefaultView(dtAll) myView.GroupDescriptions.Add(New PropertyGroupDescription("GROUP ID")) dgdList.ItemsSource = dtAll.DefaultView </code></pre></li> <li><p>I've added a checkbox to the group header. When clicked, I'd like it to fill in each checkbox in all the rows inside of that group. Is there any way I can do this as well? If it helps, below is the Xaml code I'm using to split up groups of records</p> <pre class="lang-xml prettyprint-override"><code> &lt;DataGrid.GroupStyle&gt; &lt;GroupStyle&gt; &lt;GroupStyle.HeaderTemplate&gt; &lt;DataTemplate&gt; &lt;StackPanel&gt; &lt;TextBlock Text="{Binding Path=Name}" /&gt; &lt;/StackPanel&gt; &lt;/DataTemplate&gt; &lt;/GroupStyle.HeaderTemplate&gt; &lt;GroupStyle.ContainerStyle&gt; &lt;Style TargetType="{x:Type GroupItem}" x:Name="Style1"&gt; &lt;Setter Property="Template" x:Name="Setter1"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="{x:Type GroupItem}" x:Name="ControlTemplate1"&gt; &lt;Expander IsExpanded="True" Name="Expander1"&gt; &lt;Expander.Header&gt; &lt;StackPanel Orientation="Horizontal"&gt; &lt;CheckBox Name="CheckBox9" /&gt; &lt;TextBlock Text=" Exact Name Match Group #"/&gt; &lt;TextBlock Text="{Binding Path=Name}" /&gt; &lt;/StackPanel&gt; &lt;/Expander.Header&gt; &lt;ItemsPresenter /&gt; &lt;/Expander&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; &lt;/GroupStyle.ContainerStyle&gt; &lt;/GroupStyle&gt; &lt;/DataGrid.GroupStyle&gt; </code></pre></li> </ol>
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