Well, i will explain the best way to convert PDF to Excel in .NET Framework.
When dealing with digital documents, you may notice that PDF data and Excel spreadsheets often go hand in hand. Although not as easily as we’d like. The PDF format is perfect format for preservation of your content layout - whether it be an invoice, a statement or a database. Thus, even though the format can display data perfectly, it can also make it difficult to reuse, edit or analyze in Microsoft Excel. Users have no choice but to turn to PDF converter solutions.

For developers, this presents a perfect opportunity: you can provide a solution within your own applications. In fact, one developer tool, PDF2Excel SDK, will allow you to integrate PDF to Excel conversion technology into your existing software applications and projects.

Developed by Investintech.com, PDF2Excel SDK contains everything a developer needs to leverage the same conversion algorithm behind their desktop PDF converter via DLL or COM API. This introduction guide to PDF2Excel SDK will give you a closer look at their PDF to Excel 2007 conversion technology.

Implementation Methods

For those who are programming with C#, use the following methods to convert PDF to Excel.

1. Using the Function Library

Prior to using the PDF-To-Excel function library, you must declare the functions in a class:

Note: if the full path is not specified, the location of the DLL file has to be defined within the system variable named PATH. Alternatively the file should be placed in the same location as the .exe file which is using it.

2. Using the COM Server

Prior to using the PDF-To-Excel COM Server, you must define a project reference to the PDF2ExcelCom 1.0 COM Component.
The .NET COM Interop layer generates a wrapper class you may call in your code.