how to add a shopping cart to website plz sugest with best

You can use list_view,repeater ,table .. or anything you want. Even you can store List in session.
eg:
Session["My_sessions"]=cart; 

and you can retrieve it using 

Dictionary cart_value =(Dictionary)cart; 

// now you can display cart_value in any control.

read this thread : http://stackoverflow.com/questions/9103583/binding-a-dictionary-to-a-repeater-asp-net-4

Hi Praveen,

Use Session. You can refer an article here : http://www.codeproject.com/Articles/140787/Simple-Shopping-Cart