[SOLVED]Unchecked check box parameter is not submitted when a form is submitted

[arunpjohny]

Hi all,

I'm working on a form with checkbox, when I submitted the form, I found that the checkbox parameter is missing in the request parameter list when the checkbox is bot checked.

Then I checked the form.getValues() method, this method also is not giving the parameter when the check box is not checked.

When I went into the source code it is taking me to YAHOO.util.Connect.setForm(), there I found the following piece of code

switch (oElement.type){
---------------
---------------
case 'checkbox':
if(oElement.checked){
this._sFormData += encodeURIComponent(oName) + '=' + encodeURIComponent(oValue) + '&';
}
break;
---------------------
--------------------
}

Can any one tell me why the check box value is not attached to the formData if it is not checked? What is the logic behind it? And What should I do to get the value of a unchecked chechbox?

Thank you