After click on Add to product list button , the another page

Question

I am doing one web project in asp.net C# . In design part from the gridview i make on add to product list. I want after click on add to product list button the another page shold be genrated from the page i will make design for product order entry list,however already i have made aanother webpage and make all the desgin. so how can i do in desgin.

 

Please need help.