By default, GridGroupingControl does not have Grid-like support for exporting the Sparkline cells to Excel. But Sparkline cells also can be exported by the following customization.
The Sparkline column or cells in the GridGroupingControl can be exported to Excel by defining the Sparkline Groups in the Excel sheet while exporting. ISparklineGroups interface is used for defining the Sparkline group in the Excel sheet.
ISparklineGroups interface caches the SparklineGroup that needs to be added to the Excel sheet. The Sparklines appears once you select the Data range and the Location range. Data range and Reference range for the Sparkline in Excel can be determined and assigned in QueryImportExportCellInfo event.
Figure 1: Sparkline in GridGroupingControl
Figure 2: Sparkline in ExcelSheet (Exported)
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