need excel in our application

I try to integrate excel in winform application .I follow the below URLs:

http://ift.tt/Sd40y1

http://ift.tt/UEdQmL

http://ift.tt/1hZZFD8

Above 3 cases excel opening in outside the application. I need to open in our application (I used axWebBrowser ).How can solve this issue? Please Help….

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saju