Generating xmlDocument with VB 2005

Hello,
 
I am starting a project that involves creating an xmlDocument and the following code creates the file, but the file is empty.  

Please let me know what I'm missing.

Thanks,
JMO9966


Imports System.Xml
Imports System.IO




Dim xmlRequestDoc As New XmlDocument()
        Dim itemID As String
        itemID = "AL01RD1.4"
        'Dim JBXML As String
        'JBXML = "<JBXML>"

        ' Add a price element.
        Dim newElem As XmlElement = xmlRequestDoc.CreateElement("JBXML")

        'Dim newElem2 As XmlElement = xmlRequestDoc.CreateElement(strJBXML)

        Dim newElem3 As XmlElement = xmlRequestDoc.CreateElement("MaterialAddRq")
        Dim newElem4 As XmlElement = xmlRequestDoc.CreateElement("MaterialAdd")

        Dim newElem5 As XmlElement = xmlRequestDoc.CreateElement("ID")
        newElem5.InnerText = itemID
        'xmlRequestDoc.DocumentElement.AppendChild(newElem5)

        ' Save the document to a file and auto-indent the output.
        Dim writer As XmlTextWriter = New XmlTextWriter("VBNET.xml", Nothing)
        writer.Formatting = Formatting.Indented
        xmlRequestDoc.Save(writer)
JMO9966Asked:
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melmersConnect With a Mentor Commented:
I think if the top Element is a Node or an Element it doesn't matter.
The syntax of the file is always the same if node or element.
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JMO9966Author Commented:
I plan on building this document with the format below by stepping through my code and gathering each data element.  Thanks

<JBXML>
<JBXMLRequest Session="3637820800984FF2BDC495C5A38F34D3">
<JobAddRq>
<JobAdd>
<ID></ID>
<CustomerPO>8989</CustomerPO>
<Status>Active</Status>
<OrderDate>2006-08-10</OrderDate>
<OrderQty>111</OrderQty>
</JobAdd>
<SetUpCustomerInfo>
<CustomerRef ID="CATINC"></CustomerRef>
<OverrideCreditLimit>0</OverrideCreditLimit>
</SetUpCustomerInfo
</JobAddRq>
</JBXMLRequest>
</JBXML>
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DEEPESHCommented:
Your writer and elemnts are not assosiated , pease try this in following manner

Dim myxmlwriter As New  System.Xml.XmlTextWriter("c:\xmlfile.xml",Nothing)
myxmlwriter.WriteStartDocument()
myxmlwriter.WriteStartElement("JobAdd")
myxmlwriter.WriteElementString("CustomerPO", "8989")
myxmlwriter.WriteEndElement()
myxmlwriter.WriteEndDocument()
myxmlwriter.Flush()
myxmlwriter.Close()

This is not full code but try to write in this manner don't forgot to use flush an close

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melmersCommented:
Hi,

change your code like this:
Dim xmlRequestDoc As New XmlDocument()
        Dim itemID As String
        itemID = "AL01RD1.4"
        'Dim JBXML As String
        'JBXML = "<JBXML>"

        ' Add a price element.
        Dim newElem As XmlElement = xmlRequestDoc.CreateElement("JBXML")
         xmlRequestDoc.AppendChild(newElem)
        'Dim newElem2 As XmlElement = xmlRequestDoc.CreateElement(strJBXML)
         xmlRequestDoc.AppendChild(newElem2)
        Dim newElem3 As XmlElement = xmlRequestDoc.CreateElement("MaterialAddRq")
         xmlRequestDoc.AppendChild(newElem3)
        Dim newElem4 As XmlElement = xmlRequestDoc.CreateElement("MaterialAdd")
         xmlRequestDoc.AppendChild(newElem4)
        Dim newElem5 As XmlElement = xmlRequestDoc.CreateElement("ID")
        newElem5.InnerText = itemID
                 xmlRequestDoc.AppendChild(newElem5)
        'xmlRequestDoc.DocumentElement.AppendChild(newElem5)

        ' Save the document to a file and auto-indent the output.
       xmlrequestdoc.Save("File Name")

I have only added the appendChild to all Elements and replaced the Writer with the XMLDocument
.Save function.
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JMO9966Author Commented:
Thanks guys,

I'm following the second example to build the xml in memory instead of writing to a file but I appreciate the response DEEPESH.

I get an error when doing .AppendChild(newElem2)

     "This document already has a 'DocumentElement' node.



Thanks,
JMO9966
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melmersCommented:
The error comes from a copy &  paste error.  I have overseen your comment
at the elem2 Line.


Dim newElem As XmlElement = xmlRequestDoc.CreateElement("JBXML")
         xmlRequestDoc.AppendChild(newElem)

        Dim newElem3 As XmlElement = xmlRequestDoc.CreateElement("MaterialAddRq")
         newElem.AppendChild(newElem3)
        Dim newElem4 As XmlElement = xmlRequestDoc.CreateElement("MaterialAdd")
         newElem.AppendChild(newElem4)
        Dim newElem5 As XmlElement = xmlRequestDoc.CreateElement("ID")
        newElem5.InnerText = itemID
                 newElem.AppendChild(newElem5)
       

        ' Save the document to a file and auto-indent the output.
       xmlrequestdoc.Save("File Name")
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JMO9966Author Commented:
thanks!  I was trying to appendchild to the doc instead of the element, my typo.

I'm planning on doing everything as Elements since I couldn't figure out how to get the top one ("JBXML") as a node instead of an element.  The structure in my file looks good so it probably doesn't matter??

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JMO9966Author Commented:
Thanks, ya the format looks good!
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