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"AttributeError: 'NoneType' object has no attribute 'As'"

Sarra Belkadhi

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I want abookmarkto be displayed in text area automatically each time I save one, I used this code:

# Copyright 2017. TIBCO Software Inc. Licensed under TIBCO BSD-style license.


import clr


from System.Windows.Forms import MessageBox

from System.Text import *

from Spotfire.Dxp.Application.AnalyticItems import BookmarkManager

import Spotfire.Dxp.Application.Filters as filters

from Spotfire.Dxp.Application.Visuals import HtmlTextArea


textArea= None




#Get Bookmark Manager

bookmarkManager = Application.GetService(BookmarkManager)


#Loop through bookmarks and apply each bookmark

for bookmark in bookmarkManager.GetBookmarks():


MessageBox.Show("Applied bookmark: "+bookmark.Name)

myPanel= Document.ActivePageReference.FilterPanel

for tables in Document.Data.Tables:

filterCollection= myPanel.FilteringSchemeReference.Item[tables]

builder.AppendLine("Filters for applied for Bookmark"+bookmark.Name+"n")

builder.AppendLine("Filters in "+tables.Name)

for filters in filterCollection:




#Add the Filter settings to Text Area with title Filters in Different Bookmarks

for vis in Document.ActivePageReference.Visuals:

if vis.Title=="Filters in Different BookMarks":



textArea.As[HtmlTextArea]().HtmlContent=builder.ToString()But I get the error:

"AttributeError: 'NoneType' object has no attribute 'As'"

is there a way to get around this error

Thank you in advance,

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