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How to avoid getting the "diffgr:before" when reading xml in asp classic

Posted on 2009-04-17
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Last Modified: 2012-06-27
Hello,
I have a web method that returns a Datatable.
The asp classic read it using MSXML2.DOMDocument, but the xml is retrieved using DiffGrams format (the original and current version)
Is it possible to indicate that I only want the current version?
This is part of the xml the asp receives:

<DataTable>
<xs:schema id="NewDataSet">
<xs:element name="NewDataSet" msdata:IsDataSet="true" msdata:MainDataTable="SEARCH_RESULT" msdata:UseCurrentLocale="true">
....
</xs:element>
</xs:schema>
<diffgr:diffgram>
<DocumentElement>
...
</DocumentElement>
<diffgr:before>
...
</diffgr:before>
</diffgr:diffgram>
</DataTable>

Any help?

Regards
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Question by:richardhaeger
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abel earned 500 total points
ID: 24174591
Yes, that is possible and the preferred method is XSLT. I'm not to sure how to setup XSLT for ASP classic, though it shouldn't be too hard to do. The XSLT you need to do this is as follows, which will create the correct XML output (without diffgr:before) if you feed it the XML that contains the diffgr:before.

-- Abel --


<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0"
    xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"
    xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    
    <xsl:output method="xml" indent="yes"/>
    
    <xsl:template match="node()|@*">
        <xsl:copy>
            <xsl:apply-templates select="node()|@*" />
        </xsl:copy>
    </xsl:template>
 
    <!-- a "delete"-template to remove all contents of diffgr:before -->
    <xsl:template match="diffgr:before" />
    
</xsl:stylesheet>

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Expert Comment

by:abel
ID: 24174593
btw, here's a simple example of how you can setup your ASP to run the XSLT. It's quite straightforward, really: http://www.inov8design.com.au/articles/xml_xslt_asp.asp
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