Re: Browser Reloads and AddlineItem

This WebDNA talk-list message is from

1997


It keeps the original formatting.
numero = 14555
interpreted = N
texte = >>My page contains [AddLineItem] >>When I click on Reload button in Navigator 4.03, the item is added a >>second time to the cart. >>I know how I could use a [showif] to prevent the [AddLineItem] >>How do I identify when the Reload button has been pressed in Navigator?>The only way to do that, that I can think of, is to use Javascript. >You might be able to do some clever work with the referrer tag >however. If the [referrer] is the same as [thisURL] then most likely >the reload button has been pushed (for a lot, but not all, sites). You can do this within the existing capabilities of the WebDNA language. Just set a variable value the first time the page is accessed, and prevent the line item stuff from being added (with a [hideif] context) when that variable value has been set previously.Sincerely, Ken Grome WebDNA Solutions http://www.smithmicro.com/webdnasolutions/. Associated Messages, from the most recent to the oldest:

    
  1. Re: Browser Reloads and AddlineItem (Kenneth Grome 1997)
  2. Re: Browser Reloads and AddlineItem (John Hill 1997)
  3. Browser Reloads and AddlineItem (Larry Orchier 1997)
>>My page contains [addlineitem] >>When I click on Reload button in Navigator 4.03, the item is added a >>second time to the cart. >>I know how I could use a [showif] to prevent the [addlineitem] >>How do I identify when the Reload button has been pressed in Navigator?>The only way to do that, that I can think of, is to use Javascript. >You might be able to do some clever work with the referrer tag >however. If the [referrer] is the same as [thisurl] then most likely >the reload button has been pushed (for a lot, but not all, sites). You can do this within the existing capabilities of the WebDNA language. Just set a variable value the first time the page is accessed, and prevent the line item stuff from being added (with a [hideif] context) when that variable value has been set previously.Sincerely, Ken Grome WebDNA Solutions http://www.smithmicro.com/webdnasolutions/. Kenneth Grome

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