Rob,

By using a query I can do several things quite easily:

1. Check to see if an item already exists in the cart by comparing ALL
properties. 
2. Sum sub-total columns.
3. Sum quantity columns. 
4. Add custom properties to the items query (ex. size, color, sex, wood,
finish, media, etc.).
5. Loop over the items using the CFLoop/Query tag (easier than an index
loop).

I am sure that arrays / structs can handle all of that as well... There
is just something I love about the ColdFusion query object.

And again, I am NOT a big eCommerce person, so I am not sure how well
this would hold up in the real world.


......................
Ben Nadel
Certified Advanced ColdFusion MX7 Developer
www.bennadel.com
 
Need ColdFusion Help?
www.bennadel.com/ask-ben/

-----Original Message-----
From: Robert Rawlins - Think Blue
[mailto:[EMAIL PROTECTED] 
Sent: Monday, April 16, 2007 9:00 AM
To: CF-Talk
Subject: RE: Basic CFM shopping cart tutorial/Dreaweaver extension

Nice work Ben,

I spent some time working on a shopping cart system a while back but
never got round to completing the project. It's interesting to see you
using the query method, any particular reason for using that instead of
a standard arrays and structures?

Cheers,

Rob

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