using DevExpress.XtraGrid.Views.Grid; namespace UAS_DeviceMonitor.CustomerControl.GridViewWithSerialNum { public partial class GridViewWithSerialNum : GridView { public GridViewWithSerialNum() { InitializeComponent(); IndicatorWidth = 30; } private void GridViewWithSerialNum_CustomDrawRowIndicator(object sender, RowIndicatorCustomDrawEventArgs e) { e.Info.DisplayText = e.RowHandle.ToString(); } } }