Re: [ShowIf] if the varieable exists
This WebDNA talk-list message is from 1998
It keeps the original formatting.
numero = 20292
interpreted = N
texte = On 10/8/98 10:23 AM Mike Eberly wrote >I understand that normally you would put the [ShowIf] context followed >by the equation. >ex: [ShowIf [wogroup1datarq]=Mustang]Car[/ShowIf] >However, there will not always be an existing variable called >[wogroup1datarq]. Instead, I would like to [ShowIf] if the variable >[wogroup1datarq] exists. How can I do this?I just got done doing this. It was a blast on top of it I had added complications. Here is the code I created. Basically I used the formvariable tag to extract the information I wanted. What a hoot, Do that with asp![formvariables] [math show=f]num2=[index][/math] [showif [num2]=[num1]] [text show=f]rt[num3]=[value][/text] [/showif] [showif [name]^state] [math show=f]num1=[index]+1[/math] [math show=f]num3=num3+1[/math] [text show=f]st[num3]=[value][/text] [/showif] [/formvariables]basically I asked if to show any formvariables that contain the word state, then I needed the very next formvariable so I created a routine to grab it as well. of course all the math [num*] variable were initial set to zero.The page prior was submitting a series of checkboxes associated with text boxes and I didn't want to write a [showif] for every possiblity additionall the check boxes are created with a database so the number of fields itself could vary. enjoy :) Robert Minor _________________________________________________________________________ Cybermill Communications webmaster@cybermill.com 8616 Joseph Ave. http://www.cybermill.com St. Louis, MO 63144 (314) 962-4024 _________________________________________________________________________ Purveyors of fine websites and high bandwith. Colocation and domain hosting available.
Associated Messages, from the most recent to the oldest:
On 10/8/98 10:23 AM Mike Eberly wrote >I understand that normally you would put the
[showif] context followed >by the equation. >ex: [ShowIf [wogroup1datarq]=Mustang]Car[/ShowIf] >However, there will not always be an existing variable called >[wogroup1datarq]. Instead, I would like to
[showif] if the variable >[wogroup1datarq] exists. How can I do this?I just got done doing this. It was a blast on top of it I had added complications. Here is the code I created. Basically I used the formvariable tag to extract the information I wanted. What a hoot, Do that with asp!
[formvariables] [math show=f]num2=[index][/math] [showif [num2]=[num1]] [text show=f]rt[num3]=[value][/text] [/showif] [showif [name]^state] [math show=f]num1=[index]+1[/math] [math show=f]num3=num3+1[/math] [text show=f]st[num3]=[value][/text] [/showif] [/formvariables]basically I asked if to show any formvariables that contain the word state, then I needed the very next formvariable so I created a routine to grab it as well. of course all the math [num*] variable were initial set to zero.The page prior was submitting a series of checkboxes associated with text boxes and I didn't want to write a
[showif] for every possiblity additionall the check boxes are created with a database so the number of fields itself could vary. enjoy :) Robert Minor _________________________________________________________________________ Cybermill Communications webmaster@cybermill.com 8616 Joseph Ave. http://www.cybermill.com St. Louis, MO 63144 (314) 962-4024 _________________________________________________________________________ Purveyors of fine websites and high bandwith. Colocation and domain hosting available.
bob
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