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Hi Everybody !

I want to know how manage shopping cart in; using session, cookies , profile or anything else and which one is better all pros and cons. And also want to know which senario used in popular websites like amazon, snapdeal, handle large amount of customers.

when deduct stock from database with how manage a user can add available items in cart, when many users want to add a specific item in cart that have low stock.....

Posted 13-Oct-12 1:55am
Updated 2-Dec-12 5:33am
OriginalGriff 13-Oct-12 8:11am
Good for you!
And what have you done so far to achieve this laudable aim?
Wes Aday 13-Oct-12 8:22am
I found over 90 articles on this site alone that deal with shopping carts and you could not find anything in your exhaustive research?
hemantrautela 13-Oct-12 9:01am
I want a biggnner level artical, no doubt many articals are there, so that I asked to viewers some good one and easy for understanding.
Wes Aday 13-Oct-12 9:05am
And exactly how are we to know what is "good and easy" for you? Your research is for you to do.
Aman.A 13-Oct-12 13:26pm
When you can ask thousands of people on a forum in hopes that someone will give you a readymade solution that u can just plug and play, why bother trying something or anything yourself, right? who would do that?
aspnet_regiis -i 13-Oct-12 13:57pm
I agree with Aman. More and more people are using their basic intelligence not for searching and studying but for getting tailor-made solutions by posting requirements on public forums and just plugging in the solutions... Old school was better :)

The OP seems to be unaware of teh basic fact that - "good things are never easy"....
hemantrautela 14-Oct-12 1:10am
I agree with all of you, I already apply session based shopping cart, but its limitation is for session time (default is 20 min) and consume memory on server side, if in future there are lot of viewers then can be prob occurs to manage it, so that I want to know other solutions also and comparison between them, I also searching what is real senario of shopping cart in popular websites like amazon etc., Is it session which i used or anything else.... I need more articals which are on codeproject, or any other blog so I can study it in more detail...

Thank You
jkirkerx 2-Dec-12 17:02pm
most cart developers don't release their secrets to the world, because they spend so much time in developing their applications, and always want to be one up on the competition.

As far as using session, it consumes a little more memory on the web server, otherwise, it's just a number or id string that you store to make comparisons to. You can control the session time in code, and expand it or contract it on the fly, but the session code usually gets written in the cookie. So if the customer comes back, it's the same session id.
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Solution 2

You adjust the inventory when they enter the checkout. You use 2 columns, actual and estimated, and base your inventory off both columns. When they make payment, you adjust the actual inventory and recalculate the estimated. When in the checkout lane, you adjust the estimated. If estimated <= actual, your sold out at the moment. There is no code snippet for it, it's like building a car engine, it can be simple or complicated.

Your going to have to figure out the logic, and how to handle abandoned carts. There is no real clear answer for that, because it depends on what your selling, and you didn't specify what your selling.

As far as session goes, and using more resources, I doubt that will be a problem at first. the issues you raised are so low on the scale of importance, they don't even register. Security is more the most complex aspect to a store.

But you have use something to identify who put the item in the cart. To ask someone for their ID first is kind of crazy.

Just FYI

Creating a store really requires a business, marketing and programming background, and years of experience in user interfaces. About 98% of all stores sit idle with no sales for 1 reason or another. The most common reason is zero traffic to the website, then poor marketing and next is price and competition, and the other is failing to be able to make payment. Other issues such as trust and smoothness of operation are key as well.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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