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How do I tell whether a .NET Service Pack has been installed?

Short form: What's the simplest way to tell from a program if .NET 2.0 SP1
has been installed on the current machine?

Background: A unit test I wrote to verify that MTOM is being handled
correctly, which uses a WCF service, fails on some machines, because the
service's WSDL isn't being advertised correctly. Attempts to read its WSDL
reuslt in a 500 "Internal Service Error." Turning on tracing reveals that
the problem is an inablity to load the class System.DateTimeOffset, which
was indeed introduced in SP1. (Why it's needed I'm not sure; the stack
trace isn't very helpful, but it looks like part of initializing WCF's
"WsdlExporter"). This dependency of .NET 3.0 on .NET 2.0 SP1 doesn't seem
to be documented or enforced.

I'd like to write an ANT task that will install SP1 if it's not already
installed. Installing it is simple enough, but I don't know how to do the
check. Something like "see if this file exists" would be ideal.
Aug 19 '08 #1
5 1459
MC
Short form: What's the simplest way to tell from a program if .NET 2.0 SP1
has been installed on the current machine?
I realize this isn't a complete answer, but I'd start by querying the
version number of the MSCORLIB.DLL which your program is using.
Aug 20 '08 #2
MC wrote:
>Short form: What's the simplest way to tell from a program if .NET
2.0 SP1 has been installed on the current machine?

I realize this isn't a complete answer, but I'd start by querying
the
version number of the MSCORLIB.DLL which your program is using.
It's 2.0.0.0 both before and after SP1. (Ugly, huh?)
Aug 20 '08 #3
Short form: What's the simplest way to tell from a program if .NET 2.0 SP1
has been installed on the current machine?
this helps in detecting the servicepack
http://www.codeproject.com/KB/cs/fra...detection.aspx
works for me very well
Aug 20 '08 #4
On Aug 19, 11:59*pm, "Mike Schilling" <mscottschill...@hotmail.com>
wrote:
Short form: What's the simplest way to tell from a program if .NET 2.0 SP1
has been installed on the current machine?
I haven't tried it, but:

if (Type.GetType("System.DateTimeOffset") == null) {
// No SP1 installed
}

Jon
Aug 20 '08 #5
Jon Skeet [C# MVP] wrote:
On Aug 19, 11:59 pm, "Mike Schilling" <mscottschill...@hotmail.com>
wrote:
>Short form: What's the simplest way to tell from a program if .NET
2.0 SP1 has been installed on the current machine?

I haven't tried it, but:

if (Type.GetType("System.DateTimeOffset") == null) {
// No SP1 installed
}
Yup, that should do it :-)
Aug 21 '08 #6

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