ASPxGroupSummarySortInfo.SummaryItem Property

Specifies the summary item that the control uses to calculate summary values for group rows.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.2.dll

Declaration

C#

[DefaultValue(null)]
public ASPxSummaryItem SummaryItem { get; set; }

VB.NET

<DefaultValue(Nothing)>
Public Property SummaryItem As ASPxSummaryItem

Property Value

Type	Default	Description
ASPxSummaryItem	null	The summary item.

Remarks

The control calculates a group summary for all rows within a group and displays it in a group row. The grid stores group summaries in the GroupSummary collection.

For more information on group summaries in the grid, refer to the following topic: ASPxGridView - Group Summary.

ASPX

<dx:ASPxGridView ID="grid" runat="server" AutoGenerateColumns="False" KeyFieldName="ProductID">
    <Columns>
        <dx:GridViewDataTextColumn FieldName="ProductID" VisibleIndex="0" />
        <dx:GridViewDataTextColumn FieldName="CategoryName" VisibleIndex="1" GroupIndex="0" />
        <dx:GridViewDataTextColumn FieldName="ProductName" VisibleIndex="2" />
    </Columns>
    <GroupSummary>
        <dx:ASPxSummaryItem FieldName="ProductName" SummaryType="Count" />
    </GroupSummary>
</dx:ASPxGridView>

C#

protected void Page_Load(object sender, EventArgs e) {
    grid.GroupSummarySortInfo.Clear();
    ASPxGroupSummarySortInfo sortInfo = new ASPxGroupSummarySortInfo();
    sortInfo.SortOrder = ColumnSortOrder.Descending;
    sortInfo.SummaryItem = grid.GroupSummary["ProductName", SummaryItemType.Count];
    sortInfo.GroupColumn = "CategoryName";
    grid.GroupSummarySortInfo.AddRange(sortInfo);
}

VB.NET

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
    grid.GroupSummarySortInfo.Clear()
    Dim sortInfo As ASPxGroupSummarySortInfo = New ASPxGroupSummarySortInfo()
    sortInfo.SortOrder = ColumnSortOrder.Descending
    sortInfo.SummaryItem = grid.GroupSummary("ProductName", SummaryItemType.Count)
    sortInfo.GroupColumn = "CategoryName"
    grid.GroupSummarySortInfo.AddRange(sortInfo)
End Sub