Need help with form validation and disable submit button

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December 6th, 2007, 02:13 AM

Souliebaby

Contributing User

Join Date: Jun 2005

Location: Melbourne, Australia

Posts: 65

Time spent in forums: 1 Day 1 h 5 m 28 sec
Reputation Power: 4

Need Help Debugging Script/Error in Script - Need help with form validation and disable submit button

Hey there

I have a form in which I need the submit button disabled and for the form to be validated before submitting the data.. I've tried different ways but I can't seem to get it working properly.. The closest I've gotten it to work is the following code:

Code:

<script language='javascript'>

function ValidateForm(form)
{

	function IsNumeric(sText)
	{
	   var ValidChars = "0123456789";
	   var IsNumber=true;
	   var Char;
	 
	   for (i = 0; i < sText.length && IsNumber == true; i++) 
		  { 
		  Char = sText.charAt(i); 
		  if (ValidChars.indexOf(Char) == -1) 
			 {
			 IsNumber = false;
			 }
		  }
	   return IsNumber;
	   
	   }
	
	   if (!IsNumeric(form.price.value)) 
	   { 
		  alert('Please enter only numbers in the price fields') 
		  form.price.focus(); 
		  return false; 
		  } 
	 
	   if (!IsNumeric(form.price_g.value)) 
	   { 
		  alert('Please enter only numbers in the price fields')
		  form.price_g.focus(); 
		  return false; 
		  } 
	 
	return disableButton(document.form)
 
}

function disableButton(theButton) {
theButton.value="Uploading...";
theButton.disabled = true;
return true;
}

</script>

However, it's not submitting my data (am trying to upload files to my server)..

Here's my form tags:

Code:

<form action="uploader.php" method="post" enctype="multipart/form-data" name="form" id="form" onSubmit="javascript:return ValidateForm(this)">
.....
<input name="upload" type="submit" id="upload" value="Submit" />

Could someone please let me know what I'm doing wrong??

Thanks so much

December 7th, 2007, 10:20 PM

Mittineague

Contributing User

Join Date: Jul 2005

Location: West Springfield, Massachusetts

Posts: 548

Time spent in forums: 1 Week 1 Day 6 h 35 m 44 sec
Reputation Power: 4

not working

Only guessing, but I don't think you can pass the form object to the function that way. ie.

Code:

	return disableButton(document.form)

Maybe

Code:

function disableButton() {
var theButton = document.getElementById('upload');
theButton.value="Uploading...";
theButton.disabled = true;
return true;
}

__________________
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December 8th, 2007, 06:35 PM

Souliebaby

Contributing User

Join Date: Jun 2005

Location: Melbourne, Australia

Posts: 65

Time spent in forums: 1 Day 1 h 5 m 28 sec
Reputation Power: 4

Quote:

Originally Posted by Mittineague

Only guessing, but I don't think you can pass the form object to the function that way. ie.

Code:

	return disableButton(document.form)

Maybe

Code:

function disableButton() {
var theButton = document.getElementById('upload');
theButton.value="Uploading...";
theButton.disabled = true;
return true;
}

That worked!! Thanks so much for your help!!

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