I am quite new to BizTalk. I always see people using keywords like
'construct','xpath()' and all the others in the orchestration expression
shapes in writing scripts, I have no idea what that is about and didn't find
anywhere tell me what that is as well. Could someone please tell me please?

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Tommy,

>I am quite new to BizTalk. I always see people using keywords like
> 'construct','xpath()' and all the others in the orchestration expression
> shapes in writing scripts, I have no idea what that is about and didn't
> find
> anywhere tell me what that is as well. Could someone please tell me
> please?

When you use the Orchestration designer to create an orchestration, you're
using just that: a designer. The designer actually generates real code in a
language called XLANG/s in BizTalk 2004/6, which is then converted into C#
and compiled down to a .NET assembly when you compile your biztalk project.

When you write code in your expression shapes, you're actually writing
XLANG/s expressions, which are somewhat similar (rather, look similar) to
C#, but really isn't.

The xpath() function is one of those keywords/functions available in
XLANG/s, which allows you to evaluate an XPath expression on a biztalk
message.

As for the rest, here are some good articles on the subject:
http://msdn.microsoft.com/library/d...
_orch_nozn.asp
http://geekswithblogs.net/cyoung/articles/3820.aspx
http://geekswithblogs.net/cyoung/ar...04/13/3827.aspx



--
Tomas Restrepo
tomasr@mvps.org
http://www.winterdom.com/

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Thanks a lot !!!

"Tomas Restrepo (MVP)" wrote:

> Tommy,
> 
>
> When you use the Orchestration designer to create an orchestration, you're
> using just that: a designer. The designer actually generates real code in 
a
> language called XLANG/s in BizTalk 2004/6, which is then converted into C#
> and compiled down to a .NET assembly when you compile your biztalk project
.
>
> When you write code in your expression shapes, you're actually writing
> XLANG/s expressions, which are somewhat similar (rather, look similar) to
> C#, but really isn't.
>
> The xpath() function is one of those keywords/functions available in
> XLANG/s, which allows you to evaluate an XPath expression on a biztalk
> message.
>
> As for the rest, here are some good articles on the subject:
> http://msdn.microsoft.com/library/d...g_orch_nozn.asp
> http://geekswithblogs.net/cyoung/articles/3820.aspx
> http://geekswithblogs.net/cyoung/ar...04/13/3827.aspx
>
>
>
> --
> Tomas Restrepo
> tomasr@mvps.org
> http://www.winterdom.com/
>
>
>

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