Re: minimalist shopping cart.
This WebDNA talk-list message is from 1997
It keeps the original formatting.
numero = 15458
interpreted = N
texte = >I am working on a solution in which my customer doesn't want to see his>shopping cart. Unless he specifically axes for it. When he adds an item>he will be return to his same page. That was easy enough, but, I would>like to do a lookup into the [cart] file and determine if a specific file>exists there. If it doesn't then I want to change the gif from 'buy' to>'remove'. Is the cart file like a database can I do a sub lookup into>that cart file extract a value like I would from any database?Yes, but cart files don't have the field names in the first record,so you have to use the new .hdr feature. However, the .hdr feature is*not* available in version 2.0.1, so you'll have to use the 2.1 betaversion to take advantage of this feature ... :)Sincerely, Ken Gromeken@iav.comWebDNA Solutionshttp://www.smithmicro.com/webdnasolutions/...
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>I am working on a solution in which my customer doesn't want to see his>shopping cart. Unless he specifically axes for it. When he adds an item>he will be return to his same page. That was easy enough, but, I would>like to do a lookup into the
[cart] file and determine if a specific file>exists there. If it doesn't then I want to change the gif from 'buy' to>'remove'. Is the cart file like a database can I do a sub lookup into>that cart file extract a value like I would from any database?Yes, but cart files don't have the field names in the first record,so you have to use the new .hdr feature. However, the .hdr feature is*not* available in version 2.0.1, so you'll have to use the 2.1 betaversion to take advantage of this feature ... :)Sincerely, Ken Gromeken@iav.comWebDNA Solutionshttp://www.smithmicro.com/webdnasolutions/...
Kenneth Grome
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