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06.13.2008 at 01:44PM PDT, ID: 23484034
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8.9

Dreamweaver form validation on unique fields

Asked by tubbycub in Macromedia Dreamweaver, PHP and Databases

Tags: , , ,

This is an extension of the question in http://www.experts-exchange.com/Web_Development/WebApplications/Q_23153700.html

Similarly, I have created a form in Dreamweaver CS3 and used their validator functions. I have also created a database table via MySQL on the servers where the email field was set to accept unique values only. I am interested in knowing how to go about validating an UNIQUE email address and display an error message if the email address entered is not unique.

Thanks in advanceStart Free Trial 
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function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' please enter a valid e-mail address.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
    } if (errors) alert('The following error(s) occurred:\n'+errors);
    document.MM_returnValue = (errors == '');
} }
[+][-]06.13.2008 at 01:54PM PDT, ID: 21782695

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[+][-]06.13.2008 at 02:01PM PDT, ID: 21782750

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[+][-]06.13.2008 at 02:38PM PDT, ID: 21782993

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About this solution

Zones: Macromedia Dreamweaver, PHP and Databases
Tags: Adobe, Dreamweaver, CS3, Form Validation
Sign Up Now!
Solution Provided By: jason1178
Participating Experts: 1
Solution Grade: B
 
 
[+][-]06.13.2008 at 03:03PM PDT, ID: 21783120

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[+][-]06.13.2008 at 03:05PM PDT, ID: 21783126

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[+][-]06.13.2008 at 10:54PM PDT, ID: 21784247

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