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How to create custom summary at run time?

To add custom summary, the QueryCustomSummary event can be handled. SummaryDescriptor can be used to trigger the summary details in the grid.

To know more about custom summary refer the link: Custom Summary

In the above link, `Total` summary calculate for the column. The sample in this article, explains about the DistinctCount and Median of the CategoryID column.

Create column descriptor for summary and add it in the row descriptor.



Using QueryCustomSummary event

To set the custom summary value, the QueryCustomSummary event can be handled. Custom summary classes for Toatl, DistinctCount and Median can be created and added to the SummaryDescriptor.



Screen Shot


C#: Custom summary

VB: Custom summary

Article ID: Published Date: Last Revised Date: Platform: Control:
6684 04/18/2016 04/21/2016 WinForms GridGroupingControl
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