Developing ASP.NET 1.1 in Visual Studio 2008

Author einar | 15.01.2008 | Category ASP.NET, C#, Visual Studio, tips & tricks

I have an old ASP.NET 1.1 application that I have to maintain and which for reasons beyond my control can’t be updated to a later .net version. I hadn’t touched it in a few months but recently I had to make some small changes and realized I didn’t even have Visual Studio 2003 anymore. I got a new computer a few months ago and I have Visual Studio 2008 and IIS 7 on it but no VS 2003. I didn’t really want to install it, it’s pretty old at this point and not very well supported in Vista, and like most programmers I like to play with the shiny new toys, not the old obsolete ones. So I decided to try to maintain this application in Visual Studio 2008. Now, VS 2008 can target different versions of the .NET framework, but only 2.0, 3.0 and 3.5 so I was out of luck. But, thanks to a nice article I found by Jomo Fisher on compiling .NET 1.1 in VS2005 and some extra hacking I got it working pretty well. My setup was IIS 7 on Windows Vista, IIS 6 on Windows XP is pretty much the same although some of the options I point to may be located in different places. So, here’s what you need to do to develop ASP.NET 1.1 in Visual Studio 2008:
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