How to change the height of a row in GridDataBoundGrid?

//Apply Rowheights to the Row 2.
this.gridDataBoundGrid1.Model.RowHeights[2] = 70;

'Apply Rowheights to the Row 2.
Me.gridDataBoundGrid1.Model.RowHeights(2) = 70

void Model_QueryRowHeight(object sender, Syncfusion.Windows.Forms.Grid.GridRowColSizeEventArgs e)
{
// Apply Rowheights to the Row 2.
if (e.Index==2)
{
e.Size = 70;
e.Handled = true;
}
}

Private Sub Model_QueryRowHeight(ByVal sender As Object, ByVal e As Syncfusion.Windows.Forms.Grid.GridRowColSizeEventArgs)
'Apply Rowheights to the Row 2.
If e.Index=2 Then
e.Size = 70
e.Handled = True
End If
End Sub