ChartSeriesAggregationBuilder.Calculate(RazorBlock) 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(
    RazorBlock jsFunc
)

Parameters

Name	Type	Description
jsFunc	RazorBlock	The Razor @<text> block that contains JavaScript function code.

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. Pass the Razor @<text> block that contains the function code to the method. Function arguments are described in the client API reference.

Razor C#

@(Html.DevExtreme().Chart()
    .Series(series => {
        series.Add().Aggregation(aggregation => aggregation
            .Calculate(@<text>
                function(arg) {
                    // Handler code
                }
            </text>)
        );
    })
)

Refer to Handle Events and Define Callbacks for more information.