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DxGrid.GetTotalSummaryValue(IGridSummaryItem) Method

Gets a total summary item’s value.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.1.dll

NuGet Package: DevExpress.Blazor

#Declaration

C#
public object GetTotalSummaryValue(
    IGridSummaryItem item
)

#Parameters

Name Type Description
item IGridSummaryItem

The total summary item.

#Returns

Type Description
Object

The total summary value.

#Remarks

The following code snippet customizes the Unit Price column’s footer. The footer contains the summary’s label and formatted value.

@using Microsoft.EntityFrameworkCore
@inject IDbContextFactory<NorthwindContext> NorthwindContextFactory
@implements IDisposable
@* ... *@
<DxGrid Data="@Data">
    <Columns>
        <DxGridDataColumn FieldName="Country" />
        <DxGridDataColumn FieldName="City" />
        <DxGridDataColumn FieldName="OrderDate"  />
        <DxGridDataColumn FieldName="UnitPrice" DisplayFormat="c" Width="150px">
            <FooterTemplate>
                @{
                    var summaryItems = context.Grid.GetTotalSummaryItems();
                    if (summaryItems.Any())
                    {
                        foreach (var i in summaryItems)
                        {
                            @context.Grid.GetTotalSummaryLabel(i)
                            <text>: </text>
                            <b>@context.Grid.GetTotalSummaryValue(i)</b>
                        }
                    }
                }
            </FooterTemplate>
        </DxGridDataColumn>
        <DxGridDataColumn FieldName="Quantity" />
    </Columns>
    <TotalSummary>
        <DxGridSummaryItem SummaryType="GridSummaryItemType.Max" FieldName="UnitPrice" />
    </TotalSummary>
</DxGrid>
@* ... *@
@code {
    object Data { get; set; }
    NorthwindContext Northwind { get; set; }
    @* ... *@
    protected override void OnInitialized() {
        Northwind = NorthwindContextFactory.CreateDbContext();
        Data = Northwind.Invoices
            .ToList();
    }
    @* ... *@
    public void Dispose() {
        Northwind?.Dispose();
    }
}

DevExpress Blazor Grid - Total Summary Value

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

See Also