title: How to uncheck all CheckBox in side datatemplate of gridcontrol on button click in WPF using C#?
body: <p>I have a CheckBox in GridControl Column. <strong>After performing some operation the selected checkboxes inside GridControl must be UNCHECKED on button click in WPF</strong>. Any idea?</p>
  
  <pre><code>&lt;dxg:GridControl Name="grdInfill"  Height="700" VerticalAlignment="Center"&gt;
      &lt;dxg:GridControl.Columns&gt;
          &lt;dxg:GridColumn  AllowEditing="True"&gt;
              &lt;dxg:GridColumn.CellTemplate&gt;
                  &lt;DataTemplate&gt;
                      CheckBox Name="chkSelect"   HorizontalAlignment="Center" IsChecked="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=IsSelected,Mode=TwoWay}"  Checked="CheckEdit_Checked" Unchecked="CheckEdit_Unchecked"/&gt;
                   &lt;/DataTemplate&gt;
               &lt;/dxg:GridColumn.CellTemplate&gt;
           &lt;/dxg:GridColumn&gt;
       &lt;/dxg:GridControl.Columns&gt;
       &lt;dxg:GridControl.View&gt;
           &lt;dxg:TableView Name="grdInfillInner"  ShowTotalSummary="True" AutoWidth="True" 
               DetailHeaderContent="True"  ShowIndicator="False" ShowGroupPanel="False" 
               CellValueChanging="grdInfillInner_CellValueChanging"&gt;
               &lt;!--GroupRowTemplate="{StaticResource descriptionHeader}"--&gt;
           &lt;/dxg:TableView&gt;
       &lt;/dxg:GridControl.View&gt;
  &lt;/dxg:GridControl&gt;
  &lt;Button Name="BtnClearAllCheckbox" Content="Clear All Checkbox" Height="20" Width="80" /&gt;
  </code></pre>
  
  <p>Help Appreciated!</p>