Upgrading your gallery to .NET 4.0
Gallery Server Pro 2.0 – 2.4 runs on any version of .NET from 2.0 - 4.0. Beginning with version 2.5, Gallery Server Pro requires .NET 4.0 or higher. This change allows GSP to take advantage of new features such as Entity Framework Code First development for SQL Compact CE and LINQ, while also simplifying the packaging and documentation requirements. (You may have noticed that 2.4 ships with six versions of web.config!) If you are currently running GSP 2.3.* or 2.4.*, I recommend upgrading your gallery to .NET 4.0 *before* upgrading the gallery code to GSP 2.5. Technically, you could perform the .NET 4 upgrade and the GSP 2.5 upgrade at the same time, but why complicate things? By separating it into two steps, if anything goes wrong, it will be easier to troubleshoot. What if you are using GSP 2.0 – 2.2? Those versions never shipped with a .NET 4.0 [...]