import System

from System.IO import FileStream, FileMode

from Spotfire.Dxp.Application.Visuals import TablePlot

from  Spotfire.Dxp.Data.Export import DataWriterTypeIdentifiers

import clr

clr.AddReference("System.Windows.Forms")

from System.Windows.Forms import SaveFileDialog

SaveFile = SaveFileDialog()

SaveFile.Filter = "Excel Workbook (*.xlsx)|*.xlsx"

SaveFile.ShowDialog()

saveFilename = SaveFile.FileName

print "saveFilename=", saveFilename

from Spotfire.Dxp.Application.Visuals import

VisualContent,TablePlotColumnSortMode

from Spotfire.Dxp.Data.Export import DataWriterTypeIdentifiers

from System.IO import File, StreamWriter

writer = Document.Data.CreateDataWriter(DataWriterTypeIdentifiers.ExcelXlsDataWriter)

stream = StreamWriter(saveFilename)

te = summaryCrossTable.As[VisualContent]()

te.ExportText(stream)