how to read pdf in asp.net

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i want to read pdf file in asp.net
development language :c#

i need to find
1) paragraph by paragraph text from pdf

2) image

3) all font and styles

4)annotation in pdf file

5) table content in pdf file

please guide me on this which library should i use.

after this i am going to some processing on these content.

if library is paid , its ok no problem to pay

Thanks in advance

Regards

Sachin

Posted 13-Sep-13 22:38pm

landesachin14

Updated 13-Sep-13 22:40pm

v2

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Thanks7872 14-Sep-13 4:48am

And what have you tried so far?

landesachin14 14-Sep-13 5:30am

pdfbox, pdfsharp but didn't get solution ....

Thanks7872 14-Sep-13 6:06am

Post the code and explain what you mean by didn't get solution.

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**Zoltán Zörgő** · Answer 1 · 2013-09-13T23:13:00

Solution 1

What you need is an OCR engine. The best I know is this one: abby api[^]

Posted 13-Sep-13 23:13pm

Zoltán Zörgő

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landesachin14 14-Sep-13 10:03am

thanks,we use abbyy. however it works on principle glyph recognition .
it will convert pdf to images before extract then extract the text and there content accuracy in big problem

Zoltán Zörgő 14-Sep-13 16:23pm

All OCR work like that. I am using Abby myself, and never had problems. PDF is not a document format (despite it's name), it is a specialized postscript file, thus actually meant to support rendering. It is a "write-only" format in the sense, that there is no guarantee to have the two consecutive characters of the same word in the same order in the file - not speaking about tables and so. Editing a PDF in general is not like editing a Word document. Not even Adobe Acrobat Professional is able to edit all PDF files - that look like ordinary ones.
You don't have other real option but to to treat your PDF as image and recognize it's content with one or the other OCR engine.