How to use marker in ejChart?

Markers are similar to adornments that is used to represent points in a series. When you place mouse on a marker, it highlights automatically. Refer to Data Labels for using data labels in chart.

Essential Chart support Markers to represent points in a series. You can set Marker to all series or specific series based on the requirement. To enable marker for all the series in chart, you can declare it within commonSeriesOptions of chart.

The online sample with markers in series is available in the following link

Chart Symbols

The visible property of marker is enabled to display marker. You can customize marker size, shape etc.

The following code example explains how to set marker for all series.

ASP 

<ej:Chart ID="container" runat="server">
        <CommonSeriesOptions>
            <Marker Shape="Circle" Visible="true"></Marker>
        </CommonSeriesOptions>
    </ej:Chart>

The following code example explains how to set marker for specific series.

C#

<ej:Chart ID="container" runat="server">
       <Series>
           <ej:Series>
                <Marker Shape="Circle" Visible="true"></Marker>
           </ej:Series>
       </Series>
    </ej:Chart>