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ASPxGroupSummarySortInfo.SummaryItem Property

aspnet-devexpress-dot-web-dot-aspxgroupsummarysortinfo.md

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ASPxGroupSummarySortInfo.SummaryItem Property

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

Namespace : DevExpress.Web

Assembly : DevExpress.Web.v25.2.dll

NuGet Package : DevExpress.Web

Declaration

csharp
[DefaultValue(null)]
public ASPxSummaryItem SummaryItem { get; set; }
vb
<DefaultValue(Nothing)>
Public Property SummaryItem As ASPxSummaryItem

Property Value

TypeDefaultDescription
ASPxSummaryItemnull

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>
csharp
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
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

See Also

ASPxGroupSummarySortInfo Class

ASPxGroupSummarySortInfo Members

DevExpress.Web Namespace