Read Data from Pdf And Save it to Database

HI FRIENDS,

    GOOD MORNING .

 

      I HAVE  A PROBLEM THAT, I AM  UNABLE TO FETCH DATA FROM PDF AND SAVE IT TO DATABASE.I AM USING ANGULARJS AND IDE -2013.WITH THE USE OF ITEXTSHARP DLL I GET DATA IN STRING FORMAT .BUT HOW CAN WE GET DATA FROM STRING.WE HAVE DIFFERENT FORMATS OF PDFS. SO PLEASE HELP ME AS THIS IS THE LAST TASK IN MY PROJECT.

 

 

  THANKING YOU IN ADVANCE.