GridViewHelper and Nested groups in GridView
Few days ago, One of my team member has faced a problem creating nested groups with a summary of inner group's footer. Following image shows the DataTable picture which contains the data to be bind in the grid. protected void GroupingGridView() { GridViewHelper moGrouping = new GridViewHelper(this.gvObject); moGrouping.RegisterGroup("Customers", true, false); moGrouping.RegisterGroup("Products", true, false); moGrouping.GroupHeader += new HeaderEvent(GroupHeaderHandler); moGrouping.RegisterSummary("Amount", SummaryOperation.Sum, "Products"); moGrouping.GroupFooter += new FooterEvent(GroupFooterHandler); GridViewSummary moGrandSummary = moGroupingIN.RegisterSummary("Amount", SummaryOperation.Sum); ...