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V24.1

DxTreeList.GetTotalSummaryDisplayText(ITreeListSummaryItem) Method

Gets a total summary item’s display text.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.1.dll

NuGet Package: DevExpress.Blazor

Declaration

public string GetTotalSummaryDisplayText(
    ITreeListSummaryItem item
)

Parameters

Name Type Description
item ITreeListSummaryItem

The total summary item.

Returns

Type Description
String

The total summary item’s display text.

Remarks

Specify the DisplayText property or handle the CustomizeSummaryDisplayText event to customize the summary display text.

The following code snippet customizes the Progress column’s footer. The footer contains the summary’s display text that is formatted in italics.

@inject EmployeeTaskService EmployeeTaskService

<DxTreeList Data="TreeListData" KeyFieldName="Id" ParentKeyFieldName="ParentId">
    <Columns>
        <DxTreeListDataColumn FieldName="Name" Caption="Task" />
        <DxTreeListDataColumn FieldName="EmployeeName" />
        <DxTreeListDataColumn FieldName="StartDate" />
        <DxTreeListDataColumn FieldName="DueDate" />
        <DxTreeListDataColumn FieldName="Status" Caption="Progress" DisplayFormat="p0" >
            <FooterTemplate>
                @{
                    var summaryItems = context.TreeList.GetTotalSummaryItems();
                    if (summaryItems.Any()) {
                        foreach (var i in summaryItems) {
                            <i>@context.TreeList.GetTotalSummaryDisplayText(i)</i>
                        }
                    }
                }
            </FooterTemplate>
        </DxTreeListDataColumn>
    </Columns>
    <TotalSummary>
        <DxTreeListSummaryItem FieldName="Status" SummaryType="TreeListSummaryItemType.Avg" />
    </TotalSummary>
</DxTreeList>

@code {
    List<EmployeeTask> TreeListData { get; set; }

    protected override void OnInitialized() {
        TreeListData = EmployeeTaskService.GenerateData();
    }
}

DevExpress Blazor TreeList - Total Summary

For more information about summaries in the TreeList component, refer to the following topic: Summary in Blazor TreeList.

See Also