C# .NET - how to Integrate QuickBooks desktop level application to Asp.net Web application ?

Hello,
 
I am new at QuickBooks application. I don't have idea about QB. 
I am using qucikBook pro 2012 version.
 
How to establish setup of QuickBooks desktop level application?.
 
How to establish connection between QucikBooks application and my web app? which qucikbooks api used in this implementation.
 
Please suggest me what I have to do first for integration QB into my web application.
 

Thanks
 
Mukesh Bhagat.

You'll need to use the Quickbooks Desktop SDK

There's full documentation for that here

https://developer.intuit.com/docs/0250_qb