Distinguished field not working

by eliasen 7. July 2009 20:27

Hi all

A guy on the forums posted a very small schema, in which he had promoted an element as a distinguished field.

His schema was this:

<?xml version="1.0" encoding="utf-16" ?>
<xsd:schema xmlns:b="http://schemas.microsoft.com/BizTalk/2003" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:element name="outbound_task">
        <properties xmlns="http://schemas.microsoft.com/BizTalk/2003">
          <property distinguished="true" xpath="/*[local-name()='outbound_task' and namespace-uri()='']/*[local-name()='task' and namespace-uri()='']/*[local-name()='task_id' and namespace-uri()='']" />
        <xsd:element name="task">
              <xsd:element minOccurs="0" name="task_id" type="xsd:decimal" />

His issue was, that when he tried using the distinguished field in an orchestration, the task_id field just didn’t show up in intellisense. And if he just entered the complete value in the expression shape (like this: Message.task.task_id) then he got a compile time error.

I messed around with it a lot, trying all sorts of stuff, but ended up with a quite simple solution: the word “task” is a reserved word. For a complete list of the reserved words, take a look at http://msdn.microsoft.com/en-us/library/aa547020.aspx. So, basically, renaming the “task” element to “Task” or something completely different (but still avoiding any reserved words) will work.

Hope this helps.



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About the author

Jan Eliasen is 37 years old, divorced and has 2 sons, Andreas (July 2004) and Emil (July 2006).

Jan has a masters degree in computer science and is currently employed at Logica Denmark as an IT architect.

Jan is a 6 times Microsoft MVP in BizTalk Server (not currently an MVP) and proud co-author of the BizTalk 2010 Unleashed book.

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Microsoft MVP

6 times: July 2004, July 2008, July 2009, July 2010, July 2011, and July 2012. Not currently an MVP.


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