The following example demonstrates how to set the ShipName column as a grid's main column. 

    XAML
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    <Grid xmlns:xcdg="http://schemas.xceed.com/wpf/xaml/datagrid">
      <Grid.Resources>
        <xcdg:DataGridCollectionViewSource x:Key="cvs_orders"
                                        Source="{Binding Source={x:Static Application.Current},
                                                          Path=Orders}"/>
       </Grid.Resources>
       <xcdg:DataGridControl x:Name="OrdersGrid"
                             ItemsSource="{Binding Source={StaticResource cvs_orders}}"
                             View="CardView">
          <xcdg:DataGridControl.Columns>
            <xcdg:Column FieldName="ShipName" IsMainColumn="True"/>
          </xcdg:DataGridControl.Columns>
       </xcdg:DataGridControl>
    </Grid>
    VB.NET
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    dataGridControl.Columns( "ShipName" ).IsMainColumn = True
    C#
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    dataGridControl.Columns[ "ShipName" ].IsMainColumn = true;