Re: [WebDNA] Non-numbers entered into a field that asks for a number

This WebDNA talk-list message is from

2008


It keeps the original formatting.
numero = 101587
interpreted = N
texte = Have you tried using JavaScript validation? function isNumeric(elem, errMsg){ var numericExpression = /^[0-9]+$/; if(elem.value.match(numericExpression)){ return true; }else{ alert(errMsg); elem.focus(); return false; } } Marc Ki Song wrote: > On our add to cart form, we have a text field that requires a customer > to enter the quantity of an item (it defaults to a quantity of 1). If a > customer accidentally enters a letter, or any non-number, it looks like > it converts that non-number to a random number. > > What is the best way to code the page so that the customer can't enter a > non-number into the field? > -- ------------------------------------------- Marc Thompson Software Engineer Office of Information Technology University of Utah 801.585.9264 marc.thompson@utah.edu ------------------------------------------- Associated Messages, from the most recent to the oldest:

    
  1. Re: [WebDNA] Non-numbers entered into a field that asks for a number (Stuart Tremain 2008)
  2. Re: [WebDNA] Non-numbers entered into a field that asks for a number (Marc Thompson 2008)
  3. Re: [WebDNA] Non-numbers entered into a field that asks for a number (Govinda 2008)
  4. Re: [WebDNA] Non-numbers entered into a field that asks for a number (Ki Song 2008)
  5. Re: [WebDNA] Non-numbers entered into a field that asks for a number (Marc Thompson 2008)
  6. [WebDNA] Non-numbers entered into a field that asks for a number (Ki Song 2008)
Have you tried using JavaScript validation? function isNumeric(elem, errMsg){ var numericExpression = /^[0-9]+$/; if(elem.value.match(numericExpression)){ return true; }else{ alert(errMsg); elem.focus(); return false; } } Marc Ki Song wrote: > On our add to cart form, we have a text field that requires a customer > to enter the quantity of an item (it defaults to a quantity of 1). If a > customer accidentally enters a letter, or any non-number, it looks like > it converts that non-number to a random number. > > What is the best way to code the page so that the customer can't enter a > non-number into the field? > -- ------------------------------------------- Marc Thompson Software Engineer Office of Information Technology University of Utah 801.585.9264 marc.thompson@utah.edu ------------------------------------------- Marc Thompson

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