ASPxGroupSummarySortInfoCollection Class
Represents a collection which contains the information required to sort the group rows by summary values.
Namespace: DevExpress.Web
Assembly: DevExpress.Web.v18.2.dll
Declaration
Related API Members
The following members return ASPxGroupSummarySortInfoCollection objects:
Remarks
This collection can be accessed via the ASPxGridView.GroupSummarySortInfo property. Each element in the collection is represented by an ASPxGroupSummarySortInfo object. Its properties specify the sort order, summary item used to calculate summary values for groups of rows, etc.
To sort group rows by summary values, you should create a new ASPxGroupSummarySortInfo object with the specified settings and add it to the ASPxGridView.GroupSummarySortInfo collection.
Example
This example shows how to sort group rows by summary values, so that countries having the maximum sales amount appear on the top of the view.
The image below shows the result:
using DevExpress.Data;
using DevExpress.Web.ASPxGridView;
protected void Page_Load(object sender, EventArgs e) {
grid.GroupSummarySortInfo.Clear();
ASPxGroupSummarySortInfo sortInfo = new ASPxGroupSummarySortInfo();
sortInfo.SortOrder = ColumnSortOrder.Descending;
sortInfo.SummaryItem = grid.GroupSummary["Sales", SummaryItemType.Sum];
sortInfo.GroupColumn = "Country";
grid.GroupSummarySortInfo.AddRange(sortInfo);
}