a very nice link about report upgrading to NAV 2013 Step By Step !
Upgrade Reports to NAV2013
Report Upgrade
Upgrading reports is an automated process that extracts dataset information and deletes unnecessary Classic report components from the report object.
In Microsoft Dynamics NAV 2009, a report object could contain the following combinations of components:
> Classic report layout (sections) and request form.
> Client report definition (RDLC) layout and request page.
Both Cla
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