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Lists.GetListItemChanges method

Returns changes made to the list since the specified date and time.

Namespace:  WebSvcLists
Assembly:  STSSOAP (in STSSOAP.dll)

[SoapDocumentMethodAttribute("http://schemas.microsoft.com/sharepoint/soap/GetListItemChanges", RequestNamespace = "http://schemas.microsoft.com/sharepoint/soap/", 
	ResponseNamespace = "http://schemas.microsoft.com/sharepoint/soap/", 
	Use = SoapBindingUse.Literal, ParameterStyle = SoapParameterStyle.Wrapped)]
public XmlNode GetListItemChanges(
	string listName,
	XmlNode viewFields,
	string since,
	XmlNode contains
)

Parameters

listName
Type: System.String

A string that contains either the title or GUID for the list. When querying the UserInfo table, the string contains "UserInfo".

viewFields
Type: System.Xml.XmlNode

A ViewFields element that specifies which fields to return in the query and in what order, and that can be assigned to a System.Xml.XmlNode object, as in the following example.

since
Type: System.String

A string that contains the date and time in Coordinated Universal Time (UTC) ISO8601 format from which to start retrieving changes in the list. The value of this parameter is typically retrieved from a prior SOAP response. If this value is a null reference (Nothing in Visual Basic), the query returns all items in the list.

contains
Type: System.Xml.XmlNode

A Contains element that defines custom filtering for the query and that can be assigned to a System.Xml.XmlNode object, as in the following example.

Return value

Type: System.Xml.XmlNode
An XML fragment in the following form that contains the changes and that can be assigned to a System.Xml.XmlNode object:
<listitems xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" 
  xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" 
  xmlns:rs="urn:schemas-microsoft-com:rowset" 
  xmlns:z="#RowsetSchema" 
  TimeStamp="2007-03-23T22:23:18Z" 
  xmlns="http://schemas.microsoft.com/sharepoint/soap/">
  <rs:data ItemCount="2">
    <z:row ows_Attachments="0" 
      ows_LinkTitle="Title1" 
      ows_Modified="2007-03-08T23:01:48Z" 
      ows_MetaInfo="24;#" 
      ows__ModerationStatus="0" 
      ows__Level="1" 
      ows_Title="Title1" 
      ows_ID="24" 
      ows_owshiddenversion="1" 
      ows_UniqueId="24;#{1C6F4446-9D98-49F5-9A1C-17B0FDEA8558}" 
      ows_FSObjType="24;#0" 
      ows_Created_x0020_Date="24;#2007-03-08T23:01:48Z" 
      ows_Created="2007-03-08T23:01:48Z" 
      ows_FileLeafRef="24;#24_.000" 
      ows_FileRef="24;#Lists/Announcements/24_.000" />
    <z:row ows_Attachments="0" 
      ows_LinkTitle="Title2" 
      ows_Modified="2007-03-23T22:24:40Z" 
      ows_MetaInfo="27;#" 
      ows__ModerationStatus="0" 
      ows__Level="1" 
      ows_Title="Title2" 
      ows_ID="27" 
      ows_owshiddenversion="1" 
      ows_UniqueId="27;#{D589D857-391B-43BD-A1E9-2C36D718BB82}" 
      ows_FSObjType="27;#0" 
      ows_Created_x0020_Date="27;#2007-03-23T22:24:40Z" 
      ows_Created="2007-03-23T22:24:40Z" 
      ows_FileLeafRef="27;#27_.000" 
      ows_FileRef="27;#Lists/Announcements/27_.000" />
      ...
  </rs:data>
</listitems>

The following code example displays information about items in a list that have been changed after a specified date. The example uses an XmlDocument object to create XmlNode objects for parameters.

This example requires that a using (Visual C#) or Imports (Visual Basic) directive be included for the System.Xml namespace.

Web_Reference_Folder.Lists listService = new Web_Reference_Folder.Lists();
listService.Credentials= System.Net.CredentialCache.DefaultCredentials;

XmlDocument xmlDoc = new System.Xml.XmlDocument();

XmlNode ndViewFields = xmlDoc.CreateNode(XmlNodeType.Element,"ViewFields","");
XmlNode ndContains = xmlDoc.CreateNode(XmlNodeType.Element,"Contains","");

ndViewFields.InnerXml = "<FieldRef Name='Field1'/>" + 
    "<FieldRef Name='Field2'/><FieldRef Name='Field3' />";
ndContains.InnerXml = "<FieldRef Name='Field'/>" + 
    "<Value Type='Number'>Number</Value>";

try
{
   XmlNode ndListChanges = listService.GetListItemChanges("List_Name", 
       ndViewFields, "2003-06-18T00:00:00Z", ndContains);
   MessageBox.Show(ndListChanges.OuterXml);
}

catch (System.Web.Services.Protocols.SoapException ex)
{
    MessageBox.Show("Message:\n" + ex.Message + "\nDetail:\n" + 
            ex.Detail.InnerText + 
        "\nStackTrace:\n" + ex.StackTrace);
}

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