by jeremy@bondbyte.com | Apr 11, 2014 | SharePoint 2010, SharePoint 2013, Web Parts
Open Visual Studio 2012. Go to File-Open-Project/Solution, locate the file you want to upgrade. (let it do the normal upgrade) Close the project and save changes. Open the *.csproj file in Notepad or some other type of text editor. Change the TargetFrameWorkVersion...