>>Hmm.
>>
>>>I'd definitely try to move up to 3.5 if you can.
>>
>>I checked the properties of the two projects in my solution and they oth have the target framework as .net 3.5. Why when I get error messages would the message say .net 2.0?
>>
>>How do I check that 3.5 is actually installed on my PC?
>>
>>UPDATE: I found a way by running this code in IE Address bar: javascript:alert(navigator.userAgent)
>>
>>It told me I have 1.0, 1.1, 2.0, 3.0 and 3.5 installed.
>
>Your code must reference 2.0 then. See:
>http://msdn.microsoft.com/en-us/library/cc668079.aspx

I looked at my web.config and most things reference version 3.5.0.0.

I did notice that two lines refer to 2.0.0.0, these are:

add assembly="System.Design, Version=2.0.0.0,...
add assembly="System.Windows.Forms, Version=2.0.0.0,...

should these be 3.5.0.0 too?