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in of my current app was developed by asp.net 2.0while migrating asp.net 2.0 to asp.net 3.5 is any issues were not raise,


i said this to someone ,but those are not belies me.

with out any errors we can do it?
Posted

Yes.

It is possible to change from .NET V2.0 to .NET 3.5 without any errors being found, or needing any changes to your code.
You may get error or warning messages when you upgrade, it depends on the classes and the properties / methods of those classes you used in the original V2.0 application - some are depreciated in V3.5 and you get told about that. But in general, you can upgrade without any changes needed.

You can't necessarily go the other way though! :laugh:
 
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You will need to test this move. We have done it with minor issues. The biggest issue we faced was the web.config files, which all reference the 2.0 dlls and assemblies. You will need to modify these by hand, I believe.

Beyond this, it will depend on what your dependencies are. It could be a smooth upgrade or you could break everything. The absolute best advice I can give is to test it thoroughly before you take the changes live (and make sure you have a backup).
 
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