private void gvMain_CustomColumnDisplayText(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDisplayTextEventArgs e)
{
ColumnView view = sender as ColumnView;
if (e.Column.FieldName == "TruongId" && e.ListSourceRowIndex != DevExpress.XtraGrid.GridControl.InvalidRowHandle)
{
Object truongIdObj = view.GetListSourceRowCellValue(e.ListSourceRowIndex, "TruongId");
if (!DBNull.Value.Equals(truongIdObj))
{
int truongId = (int)truongIdObj;
e.DisplayText = StaticDataUtil.GetTruongNameByTruongId(truongId);
}
}
}
