I have written an WinForms app in Visual Studio 2010 and embedded the Crystal Reports 2008 viewer. Everything works fine, but the viewer requires .Net Framework 4+. My target deployment group is on .Net Framework 3.5sp1, and are unable to upgrade to 4. When I change the .Net Framework in Visual Studio, I get multiple errors stating that the "CrystalDecisions.CrystalReports.Engine, version=12.0.2000.0 could not be resolved" because "The version found in the current target framework is 10.5.3700.0."
I have the full Crystal Reports 2008 package installed on my development computer. Is there a version of the 2008 engine for .Net Framework 3.5, or is there a way I can install version 10.5.3700.0 of the engine (maybe just copy the file to my computer and reference it in my project)?