XElement异常

Question

尝试解析结果并抛出异常，

-       $exception  {System.Xml.XmlException: Data at the root level is invalid. Line 1, position 1.
at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.Throw(String res, String arg)
at System.Xml.XmlTextReaderImpl.ParseRootLevelWhitespace()
at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
at System.Xml.XmlTextReaderImpl.Read()
at System.Xml.XmlReader.MoveToContent()
at System.Xml.Linq.XElement.Load(XmlReader reader, LoadOptions options)
at System.Xml.Linq.XElement.Parse(String text, LoadOptions options)
at System.Xml.Linq.XElement.Parse(String text)
at TwitterSample.ViewModels.TwitterViewModel.<>c__DisplayClass4.<LoadPage>b__1()}   System.Exception {System.Xml.XmlException}

Link to Screenshot

我试图让LLS无限滚动和详细信息页面进行绑定。

任何人都可以帮助我吗？