C# / VB .Net language incompatibilities

[Gary Dunne]

Hi,

Sorry if this is deemed to be a cross post (I also posted to the
microsoft.publi c.xml)

(Using .NET 2003, VB, C# on a Win2k PC)

I'm trying to retrieve nodes from an XML doc by name. I have found that the
following code, when translated into C# works perfectly, but not when used
in VB. In the example below the "applicatio n" node returns a value when
accessed through the C# code but not with the VB code.

If I add a prefix to the namespace in the source XML doc e.g. Change
<application xmlns="http://MyCompanyName.c o.uk/test/1.0.08/">
to <application xmlns:TEST="htt p://MyCompanyName.c o.uk/test/1.0.08/">
then it works fine in both languages.

Does anyone have experience of this problem ?

Below are the code samples from both languages... followed by the XML
excerpt

Thanks

Gary


VB Code --

****

Imports System
Imports System.Xml
Module Module1

Sub Main()

Try
Dim oXmlDoc As New Xml.XmlDocument
Dim sFileName As String = "04231ESWM00124 0.xml"

oXmlDoc.Load(sF ileName)

Dim nsmgr As XmlNamespaceMan ager = New
XmlNamespaceMan ager(oXmlDoc.Na meTable)

nsmgr.AddNamesp ace("clps",
"http://MyCompanyName.c o.uk/test/1.0.08")
nsmgr.AddNamesp ace("xsi",
"http://www.w3.org/2001/XMLSchema-instance")
nsmgr.AddNamesp ace("xsd", "http://www.w3.org/2001/XMLSchema")
nsmgr.AddNamesp ace("soap",
"http://schemas.xmlsoap .org/soap/envelope/")

Console.WriteLi ne("Def NS = " & nsmgr.DefaultNa mespace)

Dim oNode As Xml.XmlNode
oNode = oXmlDoc.SelectS ingleNode("//application", nsmgr)

If oNode Is Nothing Then
Console.WriteLi ne("The application object was not found")
Else
Console.WriteLi ne(oNode.InnerT ext)
End If


Finally
Console.WriteLi ne("Press a key to end")
Console.Read()
End Try
End Sub


and the C# version ****

using System;
using System.Xml;
namespace TestXML
{
class Class1
{
ry>
[STAThread]
static void Main(string[] args)
{
XmlDocument xmlRequest = new XmlDocument();
xmlRequest.Load (@"N:\04231ESWM 001240.xml");
XmlNamespaceMan ager nsMgr = new XmlNamespaceMan ager(xmlRequest .NameTable);
nsMgr.AddNamesp ace("clps","htt p://MyCompanyName.c o.uk/test/1.0.08/");
nsMgr.AddNamesp ace("xsi","http ://www.w3.org/2001/XMLSchema-instance");
nsMgr.AddNamesp ace("xsd","http ://www.w3.org/2001/XMLSchema");
nsMgr.AddNamesp ace("soap","htt p://schemas.xmlsoap .org/soap/envelope/");
Console.WriteLi ne("nsMgr.Defau ltNamespace: " + nsMgr.DefaultNa mespace);
XmlNode applicationNode = xmlRequest.Sele ctSingleNode("//application",
nsMgr);
if (applicationNod e == null)
{
Console.WriteLi ne("applicatio n not found");
}
else
{
Console.WriteLi ne(applicationN ode.InnerText.T rim());
}
Console.WriteLi ne(">>>Press a key to end");
Console.ReadLin e();
}
}
}

XML *****

<?xml version="1.0"?>
<AppRoot xmlns:xsd="http ://www.w3.org/2001/XMLSchema"
xmlns:xsi="http ://www.w3.org/2001/XMLSchema-instance">
<application xmlns="http://MyCompanyName.c o.uk/test/1.0.08/">
<docid>04231ESW M001240</docid>
<applicationerr or>false</applicationerro r>
<HoldIndicator> false</HoldIndicator>
<field>
<name>TextReg 1</name>
<text>STEP</text>
<error>false</error>
</field>
<field>
<name>portfolio _link_code</name>
<text>STEP</text>
<error>false</error>
</field>
</application>
</AppRoot>

[Jeff Johnson [MVP: VB]]

Re: C# / VB .Net language incompatibiliti es


"Gary Dunne" <KeepYourSpam.G dunne@zarion.co m.deletethis> wrote in message
news:e2bn9FpiEH A.3664@TK2MSFTN GP12.phx.gbl...
[color=blue]
> Sorry if this is deemed to be a cross post (I also posted to the
> microsoft.publi c.xml)[/color]

Actually, to be technical, it's a multipost, which is very bad. Here's my
standard blurb to give you more info:

You have posted this question individually to multiple groups. This is
called Multiposting and it's BAD. Replies made in one group will not be
visible in the other groups, which may cause multiple people to respond to
your question with the same answer because they didn't know someone else had
already done it. This is a waste of time.

If you MUST post your message to multiple groups, post a single message and
select all the groups (or type their names manually, separated by commas) in
which you want it to be seen. This is called Crossposting and when used
properly it is GOOD.

(This isn't just my opinion. Look here:
http://www.oakroadsystems.com/genl/unice.htm#xpost)

[Gary Dunne]

Re: C# / VB .Net language incompatibiliti es

er.... okay ..sorry

And for anyone that's interested ... the answer was ... there was a typo in
the namespace url. The ns specified in the XML source doc was
<application xmlns="http://capita.co.uk/clps/1.0.08/">
whereas in the VB code it was ...
nsmgr.AddNamesp ace("clps", "http://MyCompanyName.c o.uk/test/1.0.08")

There was a forward slash missing from the VB call - should have been
nsmgr.AddNamesp ace("clps", "http://MyCompanyName.c o.uk/test/1.0.08/")

Gary

[Cor Ligthert]

Re: C# / VB .Net language incompatibiliti es

Hi Gary,

Thanks for replying this, because I would get finding out what was wrong.

And for the rest had set the same sentence as Jeff about crossposting.

:-)

Cor
[color=blue]
> er.... okay ..sorry
>
> And for anyone that's interested ... the answer was ... there was a typo[/color]
in[color=blue]
> the namespace url. The ns specified in the XML source doc was
> <application xmlns="http://capita.co.uk/clps/1.0.08/">
> whereas in the VB code it was ...
> nsmgr.AddNamesp ace("clps", "http://MyCompanyName.c o.uk/test/1.0.08")
>
> There was a forward slash missing from the VB call - should have been
> nsmgr.AddNamesp ace("clps", "http://MyCompanyName.c o.uk/test/1.0.08/")
>
> Gary
>
>[/color]