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Chris G. Williams Beware: I mix tech and personal interests here.

The question: If I have an ASP.NET 1.1 app that has placeholders for user controls, and I want to write some new user controls for ASP.NET 2.0, will I be able to use them in my app? I know I can mix/match classic ASP and ASP.NET, but I don't think I can mix/match .NET versions.

Knowing that 2.0 stuff won't run on the 1.1 framework, let's look at the options. Do I...

A. upgrade (and recompile) my app to 2005 (not a small task by any stretch) and then starting adding new stuff?

B. install the 2.0 framework, don't recompile my existing legacy app, run it on the 2.0 framework (will this work?) and then write new User Controls with 2.0?

C. install the 2.0 framework side by side with the 1.1 framework (is this still possible anymore?) and try to get the new user controls to talk to the legacy app and vice versa?  (It's kludgy, but is it possible?)

D. continue using ASP.NET 1.1 with this app, and approach upgrading to 2005 at a later date? (probably the safest option, but only a short term fix since we KNOW we are going to 2.0 eventually)


Posted on Monday, December 12, 2005 8:29 AM General Interest | Back to top

Comments on this post: mixing ASP.NET 1.1 and 2.0

# re: mixing ASP.NET 1.1 and 2.0
Requesting Gravatar...
A) Probably the best option if you want to switch to 2005 completely (and eventually).

B) You have to set which version of the framework your virtual directory will be using at the IIS level, so not sure this is an option

C) Yeah, they can be installed side by side...might be better off just going full bore on option A instead of C though.

D)If its short term, just make the jump now.

Left by D'Arcy from Winnipeg on Dec 13, 2005 7:06 AM

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