I downloaded a trial version of Spire.Office. I added references tp Spire.Doc.dll, Spire.Pdf and Spire.Xls to my project. When I try to run the application, I get the following error at startup:
Could not load file or assembly 'Spire.Pdf' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)
My project a C# web application (Visual Studio 2015)
Thanks for any suggestions!