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Stored procedures
25. Performing a process on several successive pages
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In a business site, placing orders can be performed on several pages:
  • page 1: Selecting the products to order.
  • page 2: Showing the basket.
  • page 3: Validating the order and entering the customer details.
Page 1: Selecting the products
Page 2: Showing the basket
Page 3: Entering the customer details

In this case, the write-to-file operation must ONLY be performed in the code of the button for validating the order: all the order elements must be stored until the final validation. Don't write into the data files while they are being processed.
Note: You also have the ability to use a transaction but we recommend that you store the order details.
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  • Version 23
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