Hi Marcus Kellermann,
Indeed, the Chart report item misses some of the functionality of the RadChart control but this is on purpose. Some things, such as the ItemDataBound event, have a different meaning in the context of the Reporting tool and thus cannot be exposed without breaking the reporting model.
In case the Chart item does not provide enough functionality to suffice your needs you can use another approach. Instead of the Chart item you can use a PictureBox item and set as an image a chart image generated by another charting control. It could be the original RadChart control or any other chart. For reference implementation you can check the "Use asp:chart in Telerik Reports
" code library entry.
Another suggestion I can give is not to preview the chart in the Preview tab. You can simply add fake series and items at design time and apply all the settings that you need. Eventually you can delete the design time series so that they do not interfere with the ones generated at design time.
Hope this information helps and thank you for the feedback.
the Telerik team
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