Shopping Cart with no login

I'm building my first commerce site with a shopping cart and NO registration.

What is generally the best way to handle people that will buy multiple items?

A Session Datatable or Dataset and add rows as they go?

Any examples?
Larry Bristersr. DeveloperAsked:
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Alpesh PatelSolution Architect at TCS (SAFe®Agilist, TOGAF® Foundation, PSM I®, MCP, MCSD)Commented:

If you save lots of data in session then it slow down the server and degrade the performance of your site. it's better to save data in database and finally at time of check out delete from database.

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Larry Bristersr. DeveloperAuthor Commented:
So...create a GUID along the way and add as "customerID?
Yes you can generate a GUID for each session and save the GUID to the session. The cart can be saved to DB with the GUID. If the number of clients or the size of cart is limited then keeping data in session would be fine. If you persist to DB, you would need some sort of regular cleansing of data.
Larry Bristersr. DeveloperAuthor Commented:
Thanks folks...
Created a "no registration" set of tables handled with GUID and Sessions

If session times out or user leaves site...flagged for delete

Created job that runs 5am and deletes all flagged data
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