Re: Remove Multiple Line Items
This WebDNA talk-list message is from 2005
It keeps the original formatting.
numero = 62834
interpreted = N
texte = Thanks Terry, I'll give it a go :) Stuart Tremain idfk web developments, sydney, australia On 23 Aug 2005, at 11:26 PM, Terry Wilson wrote: > 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 digest@talk.smithmicro.com> > Web Archive of this list is at: http://webdna.smithmicro.com/ > ------------------------------------------------------------- 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/
Associated Messages, from the most recent to the oldest:
Thanks Terry, I'll give it a go :) Stuart Tremain idfk web developments, sydney, australia On 23 Aug 2005, at 11:26 PM, Terry Wilson wrote: > 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 digest@talk.smithmicro.com> > Web Archive of this list is at: http://webdna.smithmicro.com/ > ------------------------------------------------------------- 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/
Stuart Tremain
DOWNLOAD WEBDNA NOW!
Top Articles:
Talk List
The WebDNA community talk-list is the best place to get some help: several hundred extremely proficient programmers with an excellent knowledge of WebDNA and an excellent spirit will deliver all the tips and tricks you can imagine...
Related Readings:
test (2001)
lookup (1998)
OK, here goes... (1997)
Need help with form (1998)
WebCat b13 CGI -shownext- (1997)
Mail Server Software (1998)
Need help with emailer- 2 issues (1997)
MISTAKE in last post: Adding multiple items to Cart (1999)
BBEdit and WebCatalog 2.0? (1997)
Ooops..Broswer Info.txt (was Web*SSL and WebCatalog) (1997)
Webcatalog quitting (1997)
[WebDNA] Converting a CSV file to a WebDNA db automatically? (2016)
ShowNext truncating passed variable?? (1997)
DomainList (2005)
WebDelivery downloads alias, not original ? (1997)
setting taxable to true (1997)
Execute Applescript (1997)
Roundup function? (1997)
WebCatalog Hosting (1996)
Last digit of Credit Card Stripped (1997)