Hi

In the DataGrid, when an item is selected, the SelectedItem property changes, and the selected row changes its background color, so I can see that it is selected. Then, use that property by binding it to the ViewModel. To cancel the selected item in the DataGrid, set the property bound to the ViewModel to null to cancel the selected row.

In xamDataGrid, there are two properties, SelectedDataItem and ActiveDataItem. When the user selects a row, SelectedDataItem and ActiveDataItem designate the same row.
To cancel the selected row, it is possible to use it as follows.

<igDP:XamDataGrid DataSource="{Binding CodeHelpers}"
  Style='{StaticResource NoDataStyle}'
  SelectedDataItem="{Binding SelectedItem, Mode=TwoWay}"
  ActiveDataItem="{Binding SelectedItem, Mode=TwoWay}"> ...</igDP>

What I am curious about is whether it is the correct usage to bind to two properties like this.

If I do not bind to these two properties, the selected background color will remain visible.