ChartSeriesAggregationBuilder.Calculate(String) Method

Specifies a custom aggregate function. Applies only if the aggregation method is 'custom'. Mirrors the client-side calculate option.

Namespace: DevExtreme.AspNet.Mvc.Builders

Assembly: DevExtreme.AspNet.Core.dll

Declaration

public ChartSeriesAggregationBuilder Calculate(
    string jsFunc
)

Parameters

Name	Type	Description
jsFunc	String	An inline or external JavaScript function.

Returns

Type	Description
ChartSeriesAggregationBuilder	A reference to this instance after the method is called.

Remarks

Use this method to specify a JavaScript handler for the client-side calculate callback. This handler can be an inline function or an external function’s reference. Function arguments are described in the client API reference.

Razor C#

@(Html.DevExtreme().Chart()
    .Series(series => {
        series.Add().Aggregation(aggregation => aggregation
            .Calculate("myChartSeriesAggregation_calculate")
        );
    })
)

<script>
    function myChartSeriesAggregation_calculate(arg) {
        // Handler code
    }
</script>

Refer to Handle Events and Define Callbacks for more information.