It's certainly possible, but it may take some time.
Here's what I would do:
1. Remove all references to the price from the database tables.
2. Remove all references to the price from the stored procedures.
3. Remove all references to the price in the business layer (like the Product class and the Shopping Cart)
5. This results in a number of errors, most of which should be easy to fix. For example, the code that sends the price to the database. Since the price is sent in a param, all you need to do is delete the reference to the price in the param setup.
6. With the business later and data access layer done, you should be able to compile them again. After that, you can use search and replace to find references to the price in the aspx pages and remove them.
This should again be pretty easy, because price is "just another item". So, it's a column in a grid, a row in a table and so on.
Let me know if this works for you, or when you have additional questions...
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