Gary,

>I am trying to link to a 3rd party WebService, I have setup the credentials, however if I use Fiddler2 to monitor the SOAP message the credentials are missing and the server rejects my connection, any ideas?
>
>My code looks like this:
>

>Public Class WebLink
>  Public WebServiceLink As WebService.HTNGListenerSoap = New WebService.HTNGListenerSoap
>
>  Function BuildCredentials(ByVal UserName As String, ByVal Password As String)
>    Dim myCache As New CredentialCache
>    myCache.Add(New Uri(WebServiceLink.Url), "basic", New NetworkCredential(UserName, Password))
>    WebServiceLink.Credentials = myCache.GetCredential(New Uri(WebServiceLink.Url), "basic")
>    WebServiceLink.PreAuthenticate = True
>    Return True
>  End Function
>
>  Function ReceiveMessageAsync(ByRef XmlString)
>    Dim Result As String = "Success"
>    Try
>      WebServiceLink.ReceiveMessageAsync(XmlString)
>    Catch loExc As Exception
>      Me.exception = loExc
>      Result = loExc.Message
>    End Try
>    Return Result
>  End Function
>
>  Function Connect(ByVal UserName As String, ByVal Password As String)    
>    Return Me.BuildCredentials(UserName, Password)
>  End Function
>
>End Class
>

>I call the Connect function and then the ReceiveMessageAsync, however, when I look at the soap message:
>
>

>POST /interface/<HostASMX>HTTP/1.1
>User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; MS Web Services Client Protocol 2.0.50727.1433)
>Content-Type: text/xml; charset=utf-8
>SOAPAction: "http://htng.org/1.1/Listener.Wsdl#ReceiveMessageAsync"
>Host: <HostName>
>Content-Length: 6887
>Expect: 100-continue
>Connection: Keep-Alive
>
><?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body><Request xmlns="http://htng.org/1.1/Listener.Wsdl"><?xml version="1.0" encoding="UTF-8"?
>

>
>There appears no header and no username or password?
>
>
>Regards
>
>Gary.

This isn't really my area of expertise, but is it possible it is because the CredentialCache is falling out of scope after leaving the BuildCredentials() method?
Tim