Bitcoin "BlockChain integration" in .net frameworl 4.0

I wanted to integrate Bitcoin in my project in asp .net framework 4.0 .can any one guide me through the process.i have installed Block chain API version 1.0.3 but i do not know how to do the code for creating the wallet and other payment related issues as this is my first payment gateway trial and what a way to start.. Kindly help...and if possible step by step guide . as i have looked through YouTube and also googled my question and also have GitHub downloads.

Kindly help as i am new to payment gateways and also it is my first time for integration as being a fresher.i want it to look like the one in neteller