Android Question How -> WebService (asmx) - GetDataSet

Sub Globals
    Dim xmlParser As SaxParser
End Sub

Sub wsGetDataSet (wsQuery As String)
    'XML = WebService Data
    job1.Initialize("JOBSOAP_getTransact", Me)
    job1.PostString ("http://www.domain.com/CellWS.asmx)", XML)
    job1.GetRequest.SetContentType("application/soap+xml")
End Sub

Sub JobDone (Job As HttpJob)
    If Job.Success Then
        Dim Res As String
        Dim ResIS As InputStream

        Res = Job.GetString
        ResIS = Job.GetInputStream

           Select Job.JobName
               Case "JOBSOAP_getTransact"
                    Dim wsTable As String = CommonFuncs.xmlGetTagContent(Res,"GetDataSetResult")
                    xmlParser.Parse(ResIS,"xmlParserSub")
           End Select
   End If
End Sub

Sub xmlParserSub_EndElement (Uri As String, Name As String, Text As StringBuilder)
End Sub

Error occurred on line: 122 (reptransact)
java.lang.NullPointerException

Sub JobDone (Job As HttpJob)
    If Job.Success Then
       

         Select Job.JobName
         Case "JOBSOAP_getTransact"
        Dim Res As String
        Dim ResIS As InputStream
        Res = Job.GetString
        ResIS = Job.GetInputStream
       
Dim wsTable As String = CommonFuncs.xmlGetTagContent(Res,"GetDataSetResult")
                    xmlParser.Parse(ResIS,"xmlParserSub")
ResIS.Close 'Close the inputstream
                   
            
           End Select

   End If
Job.Release ' Release the job
End Sub


Sub xmlParserSub_EndElement (Uri AsString, Name As String, Text As StringBuilder)
If xmlParser.Parents.IndexOf("GetDataSetResult") > -1 Then
  'do your additional parsing here..


end if

End Sub