PKPrakash Kumar D Syncfusion Team November 20, 2018 01:46 AM
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To preserve the charts during Excel To PDF conversion, initialize the ChartToImageConverter of IApplication interface otherwise the charts present in worksheet gets skipped. The following code illustrates how to convert an Excel with chart to PDF document.
application.ChartToImageConverter = new ChartToImageConverter();
To know more about this, pleaser refer the following UG link