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V25.1
  • GanttColumnBuilder<T>.CalculateFilterExpression(RazorBlock) Method

    Specifies the column's custom rules to filter data. Mirrors the client-side calculateFilterExpression object.

    Namespace: DevExtreme.AspNet.Mvc.Builders

    Assembly: DevExtreme.AspNet.Core.dll

    Declaration

    public GanttColumnBuilder<T> CalculateFilterExpression(
        RazorBlock jsFunc
    )

    Parameters

    Name Type Description
    jsFunc RazorBlock

    The Razor @<text> block that contains JavaScript function code.

    Returns

    Type Description
    GanttColumnBuilder<T>

    A reference to this instance after the method is called.

    Remarks

    Use this method to specify a JavaScript handler for the client-side calculateFilterExpression callback. Pass the Razor @<text> block that contains the function code to the method. Function arguments are described in the client API reference.

    @(Html.DevExtreme().Gantt()
        .Columns(columns => {
            columns.Add().CalculateFilterExpression(@<text>
                function(arg) {
                    // Handler code
                }
            </text>);
        })
    )
    

    Refer to Handle Events and Define Callbacks for more information.

    See Also