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BOOK: Beginning SharePoint 2010 Development
This is the forum to discuss the Wrox book Beginning SharePoint 2010 Development by Steve Fox; ISBN: 978-0-470-58463-7
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Old June 22nd, 2010, 12:23 AM
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Default Soap Error on Lists WebService

I'm attempting to create the Lists WebService example in Chapter 2 using the "Customers" list. I receive this error:

System.Web.Services.Protocols.SoapException was caught
Actor=""
Lang=""
Message=Exception of type 'Microsoft.SharePoint.SoapServer.SoapServerExcepti on' was thrown.
Node=""
Role=""
Source=System.Web.Services
StackTrace:
at System.Web.Services.Protocols.SoapHttpClientProtoc ol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
at System.Web.Services.Protocols.SoapHttpClientProtoc ol.Invoke(String methodName, Object[] parameters)
at WPFListApp.MYSPWebReference.Lists.GetListAndView(S tring listName, String viewName) in C:\Users\Administrator\documents\visual studio 2010\projects\WPFListApp\WPFListApp\Web References\MYSPWebReference\Reference.vb:line 262
at WPFListApp.MainWindow.btnUpdate_Click(Object sender, RoutedEventArgs e) in C:\Users\Administrator\documents\visual studio 2010\projects\WPFListApp\WPFListApp\MainWindow.xam l.vb:line 68
InnerException:

I thought this may be a null error because the line throwing the error is:

Dim myListView As XmlNode = myListService.GetListAndView("Customers", "")

the "myListService" is null. I changed the security line to:

myListService.Credentials = New NetworkCredential("username", "password")

maybe the default credentials that the example provided was incorrect. Unfortunately, that change generated a "401" error. Does anyone have any ideas how to resolve the issue?

<code>
Try


strCompanyName = txtCompanyName.Text

strRegion = txtRegion.Text

strSize = txtSize.Text

strSales = "$" + txtSales.Text



Dim myListService As MYSPWebReference.Lists = New MYSPWebReference.Lists()

myListService.Credentials = System.Net.CredentialCache.DefaultCredentials


myListService.Url = "http://localhost/_vti_bin/Lists.asmx"



Dim myListView As XmlNode = myListService.GetListAndView("Customers", "")

strListID = myListView.ChildNodes(0).Attributes("Name").Value

strViewID = myListView.ChildNodes(1).Attributes("Name").Value



Dim myListDoc As New XmlDocument()

Dim batchXML As XmlElement = myListDoc.CreateElement("Batch")



batchXML.InnerXml = "<Method ID = '1' Cmd='New'><Field Name='Title'>" & strCompanyName & "</Field><Field Name='Region'>" & strRegion & "</Field><Field Name='Size'>" & strSize & "</Field><Field Name='Sales'>" & strSales & "</Field>" & "</Method>"



Dim myListReturn As XmlNode = myListService.UpdateListItems(strListID, batchXML)

MessageBox.Show("SharePoint List was updated!")
Catch ex As Exception
MessageBox.Show(ex.ToString)

End Try
</code>


Thanks in advance.
C.
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  #2 (permalink)  
Old June 26th, 2010, 07:34 PM
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Default SoapException in Chapter 2

You can change a couple of properties on the authentication of the service to correct this error. I have posted a fix and a link to the updated code here:
http://blogs.msdn.com/b/steve_fox/ar...exception.aspx.

I will follow up here and on my blog with fixes or any additional supplements. You can also contact me direct from my blog as well (http://blogs.msdn.com/steve_fox).

Cheers,

Steve
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