Right-click anywhere on the list to display the C1ReportViewer context menu, which is a context menu that Visual Studio provides for all .NET controls. It will appear similar to the following image:
The context menu commands operate as follows:
Show Smart Tag
Clicking this item shows the C1ReportViewer Tasks menu. For more information on how to use the smart tag and available features in the Tasks menu, see C1ReportViewer Smart Tag.