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How to display the tooltip text in currency format in ASP.NET Web Forms Chart?

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By default, the x and y value of a point is displayed in tooltip text, when you place the mouse over a Chart point. The LabelFormat property of horizontal axis is used to format the x value displayed in the tooltip and the LabelFormat property of vertical axis is used to format the y value displayed in the tooltip.

You can display tooltip in currency format by setting c (currency with two decimal places) as value to the LabelFormat property. Other possible values include c0, c1, c2, c3, etc.., for displaying the tooltip text in currency format.


    <ej:Chart ID="container" runat="server">
        <CommonSeriesOptions><Tooltip Visible="true"></Tooltip></CommonSeriesOptions>
        <PrimaryYAxis LabelFormat="c "></PrimaryYAxis>
        . . . . . . 
        . . . . . .

The following screenshot displays the chart with tooltip text in currency format

The chart with tooltip text in currency format

Figure 1: Tooltip text in currency format

The following table describes the result of using c0, c1, etc., formats on tooltip text 20.













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