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Old 10-08-2009, 03:06 PM   #5985
DMcCunney
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Quote:
Originally Posted by pilotbob View Post
Actually, the versioning on .Net is pretty good, if not a bit confusing. .Net 1.0 and .Net 1.1 included new runtimes... Where .Net 2.0, 3.0, 3.5 all use the same 2.0 CLR/Runtime but each of 3.0 and 3.5 added new libraries, tools and compilers. So, yes if you want to install .Net 3.5 it has to include .Net 2.0/3.0.

Of course they are going to confuse it all with .Net 4.0 which is going to include a new CLR/Runtime again AFAIK.

Although, I don't see an issue with having several versions of .Net on a PC as a problem.
It's like the Good Old Days of Visual Basic runtimes. New versions were not supersets of older ones. You had to install the specific ones your applications wanted.

And I've seen a case where a mission critical app that wanted .NET 1.1 failed if .NET 2.0 was also installed in the machine, which made life interesting because another mission critical app required 2.0...

Quote:
But, the myth that if a .Net app runs on one machine it will run on any one is certainly not true and really farking with me today.
There are exceptions to any rule, and you get to deal with them. The Director of Developement at a former employer was eloquent about Java not necessarily being "write once, run anywhere", as he'd seen too much non-portable Java code...
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