score:0

Accepted answer

quick solution i found : visit devexpress support forum for more details

sample code download link

code is

<div id="canvas-holder">
    <div id="pie"></div>
</div>

<script>
    var ds = [{ country: "on", area: 0 }];

    var pie = $("#pie").dxpiechart({
        size: { width: 500 },
        //palette: "bright",
        datasource: ds,
        series: [{ argumentfield: "country", valuefield: "area" }],
        title: "area of countries",
        customizepoint: function (pointinfo) {
            if (pointinfo.value <= 0) {
                return {
                    color: "red"
                }
            }
            return {
                color: "green"
            }
        }
    }).dxpiechart("instance");

    var isval = 0;

    setinterval(function () {           

        if (isval == 0)
            isval = 1;
        else
            isval = 0;

        ds[0].area = 1;

        pie.option("datasource", ds);

    }, 1000);

</script>

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