How to set the RowHeight to a specific row?

using Syncfusion.UI.Xaml.Grid.Helpers;
 
this.sfdatagrid.Loaded += sfdatagrid_Loaded; //Event Hooking
void sfdatagrid_Loaded(object sender, RoutedEventArgs e)
{
    var VisualContainer = this.sfdatagrid.GetVisualContainer();
    //Set RowHeight to 2'nd row
    VisualContainer.RowHeights[2] = 50;
    VisualContainer.InvalidateMeasure();
}

this.sfdatagrid.QueryRowHeight += sfdatagrid_QueryRowHeight; //Event Hooking
void sfdatagrid_QueryRowHeight(object sender, QueryRowHeightEventArgs e)
{
    if (e.RowIndex == 2) //Set RowHeight to 2'nd row.
    {
        e.Height = 50;
        e.Handled = true;
    }
}