【原】Infragistics.Win.UltraWinGrid.UltraGrid 增加行号

 private void ultraGrid1_InitializeLayout(object sender, Infragistics.Win.UltraWinGrid.InitializeLayoutEventArgs e)
        {

            e.Layout.Override.RowSelectors = DefaultableBoolean.True;
            e.Layout.Override.RowSelectorNumberStyle = RowSelectorNumberStyle.VisibleIndex;
            e.Layout.Override.RowSelectorWidth = ;

        }