c# - DataGridView - Use DataPropertyName to show child element property

class MyClass
{
   public int Id;
   public MyOtherClass OtherClass;
}

class MyOtherClass
{
   public string Name;
   public int Number;
}

This code help me....

private void dgv_CellFormatting( object sender, DataGridViewCellFormattingEventArgs e )
{
   MyClass data = dgv.Rows[ e.RowIndex ].DataBoundItem as MyClass;

   dgv.Rows[ e.RowIndex ].Cells[ "colName" ].Value = data.OtherClass.Name;
   dgv.Rows[ e.RowIndex ].Cells[ "colNumber" ].Value = data.OtherClass.Number;
}