Question

Modifying dataset xml

Asked by: JackDev68

I have some code that connects to a database and returns xml.  The code returns this xml:
------------------------------------------------------------------------------------------
  <?xml version="1.0" encoding="utf-8" ?>
  <NewDataSet>
       <Table>
            <UserId>1</UserId>
            <UserName>JROSSI</UserName>
       </Table>
  </NewDataSet>
------------------------------------------------------------------------------------------

I want <NewDataSet> replaced with <Validation> and <Table> replaced with <User>.  How can I update the XML output in memory.   

[WebMethod]
        public XmlDocument validateUser(string userName)
        {
                var oDS = new DataSet()
                var oXml = new XmlDocument();
 
                DataAccessLayerBaseClass dataAccess = DataAccessLayerFactory.GetDataAccessLayer();
                oDS = dataAccess.ExecuteDataSet("SELECT * FROM users where UserName = '" + userName.ToString().ToUpper() + "'");
 
                oXml.LoadXml(oDS.GetXml());
                return oXml;
        }

                                  
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Asked On
2009-08-31 at 12:50:38ID24695945
Tags

asp.net

,

XML

Topics

Extensible Markup Language (XML)

,

Programming for ASP.NET

,

Extensible Stylesheet Language Transformation (XSLT)

Participating Experts
2
Points
500
Comments
5

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Answers

 

by: AbdulQuddosPosted on 2009-08-31 at 22:54:18ID: 25228832

You need to get the Parent node and then first child node by use relative methods and then replace these nodes.

 

by: AbdulQuddosPosted on 2009-08-31 at 23:16:33ID: 25228916

Some thing like this:


XDocument xDoc = XDocument.Load(YourXmlDocument);
xDoc.Element(NewDataSet).ReplaceWith(Validation);

                                              
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by: JackDev68Posted on 2009-09-01 at 06:00:05ID: 25231067

Hi AbdulQuddos:

I get the following error:


System.ArgumentException: Non white space characters cannot be added to content.
at System.Xml.Linq.XDocument.ValidateString(String s)
at System.Xml.Linq.Inserter.AddContent(Object content)
at System.Xml.Linq.Inserter.Add(Object content)
at System.Xml.Linq.XNode.ReplaceWith(Object content)
at VoiceServices.Service1.validateUser(String userName) in C:\Projects\WebServices\CoupsterWebServices\VoiceServices\VoiceServices\Service1.asmx.cs:line 38

My Code:
var oDS = new DataSet();
var oXml = new XmlDocument();

DataAccessLayerBaseClass dataAccess = DataAccessLayerFactory.GetDataAccessLayer();
oDS = dataAccess.ExecuteDataSet("SELECT * FROM users where UserName = '" + userName.ToString().ToUpper() + "'");
oXml.LoadXml(oDS.GetXml());

oDS.WriteXml("c://temp//User.xml");
XDocument xDoc = XDocument.Load("c://temp//User.xml");
xDoc.Element("NewDataSet").ReplaceWith("Validation"); //Error occurs here

XmlElement element = oXml.DocumentElement;
element.SetAttribute("bargein", "false");

 

by: jeffldPosted on 2009-09-01 at 09:11:04ID: 25233050

how about an XSL transformation?

attached is the XSL 

<?xml version='1.0' ?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" encoding="UTF-8" indent="yes"/>
 <xsl:template match="/">
  <Validation>
   <User>
    <UserID>
     <xsl:value-of select="NewDataSet/Table/UserId"/>
    </UserID>
    <UserName>
     <xsl:value-of select="NewDataSet/Table/UserName"/>
    </UserName>
   </User>
  </Validation>
 </xsl:template>
</xsl:stylesheet>

                                              
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by: JackDev68Posted on 2009-09-01 at 09:26:49ID: 31622713

That's it.  thanks

20120131-EE-VQP-002

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