I need help with an HTML/CSS project that operates as a shopping cart.

1.) The page contains at least one select box to contain categories, and one table/select box for items (I have done this already)

2.) The user will select the category from the select box, then the table/select box will be filled with items based on the first selection. (I have done this already)

3.) The user will select an item to be added to the cart (I have done this already)

4.) Add functionality to remove, edit or delete to the cart (I have done this already)

I need these last help with these last few items

5.) Create a button to display the content of the cart with option to continue shopping

6.) On exist, ask for the customer info, such as name, address,

7.) Store any of the select boxes items in a flat file stored locally "C:\ShopingCart.txt"

8.) The client must be JavaScript (You can use JQuery or any other library) The back end can be one of the following:-

Page_load, Web-method, or WEB API 2

The database / storage must be included in app_data folder