Currently we only have Hour, Date, Month, Quarter, Year, we did not have Half Year. Is there any way to add Half Year step for DateTimeGroupDescription, display as 2014 H1, 2014 H2,...
You can achieve this functionality by creating custom GroupDescription and override GroupNameFromItem method - based on the returned name items will go in specific group. In order to modify RadPivotFieldList's tree at the top, you have to use GetDescriptionDataAsyncCompleted event.
I've prepared a sample project to demonstrate how to achieve all of the above. Please give it a try and inform us in case you have any problems or concerns.
Regards,
Rosen Vladimirov
Telerik
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