Save second web page source code as a text file

Hi, I wanted to save second web page source code(all) as a text file. What I have is below code which only extract part of page & print it in sheet:

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I have second code which saves 1st web page (instead of second after inserting some text in textarea) source code as a text file, but here too I wanted source code of second/next page:

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Out of above 2 solution anything will be OK for me but just condition is extract code of second web page and whole content.

Did anyone look at this?