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DxChartXYSeries<T, TArgument, TValue, TAggregate>.Filter Property

Specifies an expression used to filter series values.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.2.dll

NuGet Package: DevExpress.Blazor

#Declaration

C#
[Parameter]
public Expression<Func<T, bool>> Filter { get; set; }

#Property Value

Type Description
Expression<Func<T, Boolean>>

The filter expression.

#Remarks

Use the Filter property to make a sample of values. In the following example, each series shows information for one separate year.

<DxChart Data="@SalesData">
    <DxChartAreaSeries Name="2017" 
                       Filter="@((SaleInfo s) => s.Date.Year == 2017)"
                       ArgumentField="@(s => s.City)" 
                       ValueField="@(s => s.Amount)"
                       SummaryMethod="Enumerable.Sum" />
    <DxChartAreaSeries Name="2018" 
                       Filter="@((SaleInfo s) => s.Date.Year == 2018)"
                       ArgumentField="@(s => s.City)" 
                       ValueField="@(s => s.Amount)"
                       SummaryMethod="Enumerable.Sum" />
    <DxChartAreaSeries Name="2019" 
                       Filter="@((SaleInfo s) => s.Date.Year == 2019)"
                       ArgumentField="@(s => s.City)" 
                       ValueField="@(s => s.Amount)"
                       SummaryMethod="Enumerable.Sum" />
    <DxChartLegend Position="RelativePosition.Outside" HorizontalAlignment="HorizontalAlignment.Right" />
</DxChart>

Chart Area Series

See Also