使用SharePoint Web Serivce(5)--得到新添加Item的ID，返回的XML的使用
在使用SharePoint Web Service 往一个list添加一个新的item之后，UpdateListItems会返回一个XmlNode类型的值。这个值返回一段XML
<Results xmlns="http://schemas.microsoft.com/sharepoint/soap/">
<Result ID="1,New">
<ErrorCode>0x00000000</ErrorCode>
<ID />
<z:row
ows_ContentTypeId="0x010018A5A22ED24FAB4792BD45362AF5FFC3"
ows_Title="My Test Item"
ows_ID="20"
ows_ContentType="Item"
ows_Modified="2009-05-10 10:03:46"
ows_Created="2009-05-10 10:03:46"
ows_Author="1;#SERVER\Administrator"
ows_Editor="1;#SERVER\Administrator"
ows_owshiddenversion="1"
ows_WorkflowVersion="1"
ows__UIVersion="512"
ows__UIVersionString="1.0"
ows_Attachments="0"
ows__ModerationStatus="0"
ows_LinkTitleNoMenu="My Test Item"
ows_LinkTitle="My Test Item"
ows_SelectTitle="20"
ows_Order="2000.00000000000"
ows_GUID="{FAA08466-1760-4BCA-B74F-020649D16A97}"
ows_FileRef="20;#sites/testsite/Lists/Test List/20_.000"
ows_FileDirRef="20;#sites/testsite/Lists/Test List"
ows_Last_x0020_Modified="20;#2009-05-10 10:03:46"
ows_Created_x0020_Date="20;#2009-05-10 10:03:46"
ows_FSObjType="20;#0"
ows_PermMask="0x7fffffffffffffff"
ows_FileLeafRef="20;#20_.000"
ows_UniqueId="20;#{FDB8F26B-43DD-489C-9954-F49EE9BF3942}"
ows_ProgId="20;#"
ows_ScopeId="20;#{5556EA28-8789-47EA-A748-805FCAFB433A}"
ows__EditMenuTableStart="20_.000"
ows__EditMenuTableEnd="20"
ows_LinkFilenameNoMenu="20_.000"
ows_LinkFilename="20_.000"
ows_ServerUrl="/sites/testsite/Lists/Test List/20_.000" ows_EncodedAbsUrl="http://server/sites/testsite/Lists/Test%20List/20_.000"
ows_BaseName="20_"
ows_MetaInfo="20;#"
ows__Level="1"
ows__IsCurrentVersion="1"
xmlns:z="#RowsetSchema" />
</Result>
</Results>
<Result ID="1,New">
<ErrorCode>0x00000000</ErrorCode>
<ID />
<z:row
ows_ContentTypeId="0x010018A5A22ED24FAB4792BD45362AF5FFC3"
ows_Title="My Test Item"
ows_ID="20"
ows_ContentType="Item"
ows_Modified="2009-05-10 10:03:46"
ows_Created="2009-05-10 10:03:46"
ows_Author="1;#SERVER\Administrator"
ows_Editor="1;#SERVER\Administrator"
ows_owshiddenversion="1"
ows_WorkflowVersion="1"
ows__UIVersion="512"
ows__UIVersionString="1.0"
ows_Attachments="0"
ows__ModerationStatus="0"
ows_LinkTitleNoMenu="My Test Item"
ows_LinkTitle="My Test Item"
ows_SelectTitle="20"
ows_Order="2000.00000000000"
ows_GUID="{FAA08466-1760-4BCA-B74F-020649D16A97}"
ows_FileRef="20;#sites/testsite/Lists/Test List/20_.000"
ows_FileDirRef="20;#sites/testsite/Lists/Test List"
ows_Last_x0020_Modified="20;#2009-05-10 10:03:46"
ows_Created_x0020_Date="20;#2009-05-10 10:03:46"
ows_FSObjType="20;#0"
ows_PermMask="0x7fffffffffffffff"
ows_FileLeafRef="20;#20_.000"
ows_UniqueId="20;#{FDB8F26B-43DD-489C-9954-F49EE9BF3942}"
ows_ProgId="20;#"
ows_ScopeId="20;#{5556EA28-8789-47EA-A748-805FCAFB433A}"
ows__EditMenuTableStart="20_.000"
ows__EditMenuTableEnd="20"
ows_LinkFilenameNoMenu="20_.000"
ows_LinkFilename="20_.000"
ows_ServerUrl="/sites/testsite/Lists/Test List/20_.000" ows_EncodedAbsUrl="http://server/sites/testsite/Lists/Test%20List/20_.000"
ows_BaseName="20_"
ows_MetaInfo="20;#"
ows__Level="1"
ows__IsCurrentVersion="1"
xmlns:z="#RowsetSchema" />
</Result>
</Results>
在这段xml的最里层的Node有一个属性 ows_ID，这个就是我们用service创建的item的ID。而从这段返回值中，我们还可以得到很多有关这个Item和List的信息。其中有一个很重要的用处，就是其中的ErrorCode，service调用的时候，有错误的时候，例如，你传入的参数出错，会抛一个异常。但在其他的时候。这个service 的调用是不会抛异常的，而是返回一个ErrorCode。这个可以帮助我们判断我们的调用是否有成功。
