Re: presetting variables ...
This WebDNA talk-list message is from 2000
It keeps the original formatting.
numero = 26083
interpreted = N
texte = Thanks guys! (and also for not getting thrown off by my forgetting to change the subject line.) -JohnKenneth Grome wrote:> >Ken (and others using Ken's technique of presetting variables with [text multi=T]var1=&var2=&etc...[/text], > > > >I discovered today that if I preset varibales as I mention above at the top of my template (using [text]), and then later down I try to reset their values with a [math] context, and then later try to grab > >their value by just using [varname], then what I get is a value of nothing (what I set with the [text]), even if the [math] should have changed the value. Can anyone verify this behaviour? If right, > >then this may be a situation when one would not want to use the technique? > > I think the problem here is that you're setting text variables to blank instead of setting math variables to zero. Blank is not a valid math value, math values have to be numeric -- not blank. > > Thus, when you try to reset the blank text variable with a math context, it does not work properly, because the original blank value was never a valid math value to begin with, so webcat knows it's a text value and prevents it from being reset as a math value. > > It seems to me that if you're going to set math values on the page, you should NOT preset them to a blank value with the text context, because they are not text variables. Instead you should be setting them to zero in a math context. If you do this, I think you will find that using a plain [varname] tag further on down the page *will* display the proper math variable value. > > :) > > ================================ > Kenneth Grome, WebDNA Consultant > 808-737-6499, http://webdna.net > ================================ > > ------------------------------------------------------------- Brought to you by CommuniGate Pro - The Buzz Word Compliant Messaging Server. To end your Mail problems go to
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Thanks guys! (and also for not getting thrown off by my forgetting to change the subject line.) -JohnKenneth Grome wrote:> >Ken (and others using Ken's technique of presetting variables with [text multi=T]var1=&var2=&etc...[/text], > > > >I discovered today that if I preset varibales as I mention above at the top of my template (using [text]), and then later down I try to reset their values with a [math] context, and then later try to grab > >their value by just using [varname], then what I get is a value of nothing (what I set with the [text]), even if the [math] should have changed the value. Can anyone verify this behaviour? If right, > >then this may be a situation when one would not want to use the technique? > > I think the problem here is that you're setting text variables to blank instead of setting math variables to zero. Blank is not a valid math value, math values have to be numeric -- not blank. > > Thus, when you try to reset the blank text variable with a math context, it does not work properly, because the original blank value was never a valid math value to begin with, so webcat knows it's a text value and prevents it from being reset as a math value. > > It seems to me that if you're going to set math values on the page, you should NOT preset them to a blank value with the text context, because they are not text variables. Instead you should be setting them to zero in a math context. If you do this, I think you will find that using a plain [varname] tag further on down the page *will* display the proper math variable value. > > :) > > ================================ > Kenneth Grome, WebDNA Consultant > 808-737-6499, http://webdna.net > ================================ > > ------------------------------------------------------------- Brought to you by CommuniGate Pro - The Buzz Word Compliant Messaging Server. To end your Mail problems go to .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
John Butler
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