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I want to upgrade .net version on windows server 2003
from v2.0 to v4.0
how to do?
will these affect my website behaviour?
Posted 28-Mar-13 4:21am
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Solution 1

You can change the target framework in your Project Properties. You may have issues with 3rd party controls. Some can't use the .Net 4.0 framework. You'll have to make the change, let Visual Studio do the upgrade and then fix any issues. Just have a backup first.
phil.o 28-Mar-13 11:26am
I added a solution as it was not clear if the OP was talking about his server system, or about his existing .NET projects.
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Solution 2

There is no upgrade between .NET Framework 2.0 and 4.0.
These are completely separate frameworks, which can be installed side by side on your server. Installing .NET Framework 4 won't mess up your .NET Framework 2.

As ryanb31 stated, though, if this is your development computer, you will likely have to change the target framework of your existing project(s). Only that can introduce errors that you will have to fix (but it's impossible for us to guess which errors you will meet, as we don't have any clue about your actual projects).

Hope this helps.
ryanb31 28-Mar-13 11:30am
Good point. +5

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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