Re: Remove Multiple Line Items
This WebDNA talk-list message is from 2005
It keeps the original formatting.
numero = 62832
interpreted = N
texte = You have to keep a counter going to adjust for the changing line item value. Decrement it each time something's deleted. Here's my exact code: [showif [trig]=Recalculate] [math show=f]adjustby=0[/math] [formvariables name=qty_&exact=F] [math show=f]updateitemnumber=[getchars start=5][name][/getchars]+adjustby[/math] [showif [value]=0] [removelineitem file=ShoppingCarts/[cart]&index=[updateitemnumber]] [math show=f]adjustby=adjustby-1[/math] [/showif] [hideif [value]=0] [setlineitem file=ShoppingCarts/[cart]&db=[db]&index=[updateitemnumber]]quantity=[value][/setlineitem] [/hideif] [/formvariables] [/showif] Terry >Hi > >I am trying to remove multiple line items from a cart in one form > >If I have 10 items in a cart and want to remove 4 at once there is a >problem in that once the first item is removed the remaining items >change their [index] to take up the now removed row. > >Therefore if I wanted to remove items 1, 4, 5, 10 >When number one is removed Item 4 becomes 3, 5 becomes 4, 9 becomes >10. When 4 is removed it removes the original 5 which is now number >4, the original 10 becomes 8. > >When 5 is removed the original 7 is removed - BAD and the original >10 becomes 7, now there is no number 10 to remove. > >Any ideas ? > >Stuart Tremain >idfk web developments, sydney, australia -- Terry Wilson | terry@terryfic.com | http://terryfic.com http://WhosComing.com - a simplified, affordable online reservation system http://TightPods.com -- stylish protection for your laptop -------------------------------------------------------------------------- Attitude is the only difference between ordeal and adventure. ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list
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You have to keep a counter going to adjust for the changing line item value. Decrement it each time something's deleted. Here's my exact code: [showif [trig]=Recalculate] [math show=f]adjustby=0[/math] [formvariables name=qty_&exact=F] [math show=f]updateitemnumber=[getchars start=5][name][/getchars]+adjustby[/math] [showif [value]=0] [removelineitem file=ShoppingCarts/[cart]&index=[updateitemnumber]] [math show=f]adjustby=adjustby-1[/math] [/showif] [hideif [value]=0] [setlineitem file=ShoppingCarts/[cart]&db=[db]&index=[updateitemnumber]]quantity=[value][/setlineitem] [/hideif] [/formvariables] [/showif] Terry >Hi > >I am trying to remove multiple line items from a cart in one form > >If I have 10 items in a cart and want to remove 4 at once there is a >problem in that once the first item is removed the remaining items >change their [index] to take up the now removed row. > >Therefore if I wanted to remove items 1, 4, 5, 10 >When number one is removed Item 4 becomes 3, 5 becomes 4, 9 becomes >10. When 4 is removed it removes the original 5 which is now number >4, the original 10 becomes 8. > >When 5 is removed the original 7 is removed - BAD and the original >10 becomes 7, now there is no number 10 to remove. > >Any ideas ? > >Stuart Tremain >idfk web developments, sydney, australia -- Terry Wilson | terry@terryfic.com | http://terryfic.com http://WhosComing.com - a simplified, affordable online reservation system http://TightPods.com -- stylish protection for your laptop -------------------------------------------------------------------------- Attitude is the only difference between ordeal and adventure. ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Terry Wilson
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