C# 3.0 and KB908002

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Torben Laursen - 22 Oct 2007 08:58 GMT

I sell a COM add-in to Excel and in order for it to work the user must
install the HotFix KB908002 from Microsoft due to a bug in C# 2.0

If I upgrade to C# 3.0 must my users still install this hotfix?

Regards Torben

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Mr. Arnold - 22 Oct 2007 10:56 GMT

>I sell a COM add-in to Excel and in order for it to work the user must
>install the HotFix KB908002 from Microsoft due to a bug in C# 2.0
>
> If I upgrade to C# 3.0 must my users still install this hotfix?
>
> Regards Torben

You should test your application against 3.0. That would be the right thing
to do. And then you'll know for sure.

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Jon Skeet [C# MVP] - 22 Oct 2007 11:02 GMT

> > If I upgrade to C# 3.0 must my users still install this hotfix?
>
> You should test your application against 3.0. That would be the right thing
> to do. And then you'll know for sure.

Note that really you'll be testing it against .NET 3.5, not C# 3. It's
not like you can download C# 3 itself - it's just part of .NET 3.5.

There are other possibilities to test against, in particular
.NET 2.0 SP1 which I believe will come out at the same time as .NET
3.5, but presumably be a separate (smaller) download. That may well fix
the KB as well.

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Marc Gravell - 22 Oct 2007 11:31 GMT

First (to OP) I suspect it relates to .NET 2.0, not C# 2.0;
unfortunately, above "2" the three numbers (.NET version, C# version
and CLI version) get out of step, so it gets very confusing...

> Note that really you'll be testing it against .NET 3.5, not C# 3.
> It's
> not like you can download C# 3 itself - it's just part of .NET 3.5.

But (AFAIK, and tested) once you have the C# 3 compiler (by
downloading .NET 3.5) you can still use it to build vanilla 2.0 code,
even using the new language features like lambda (but not LINQ) - so
*technically* you could still be testing .NET 2.0 with the C# 3
compiler...
Please correct me if I am wrong...

Not that it helps the OP ;-p

Marc

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Jon Skeet [C# MVP] - 22 Oct 2007 11:44 GMT

> First (to OP) I suspect it relates to .NET 2.0, not C# 2.0;
> unfortunately, above "2" the three numbers (.NET version, C# version
[quoted text clipped - 8 lines]
> *technically* you could still be testing .NET 2.0 with the C# 3
> compiler...

Absolutely. Another reason to disambiguate between C# version and .NET
version.

(And I believe you *could* even use query expressions, if you happened
to have classes providing Select, Where etc as required :)

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C# 3.0 and KB908002

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