How can i convert pdf file into xls through coding using vb.net

I want to convert pdf file into xls using v开发者_如何学JAVAb.net. How can i do it? I don't want any third party software.

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Interpretting PDF with pure vb.net will be pretty ambitious task without 3rd party software. Especially if its any PDF. There are tools like GhostScript that can interpret PDF files to images and other formats, but not sure if that will help.

An idea might be to try and convert a PDF to Html, it may be easier to render html in an XLS file.