[jQuery] JQuery validation plugin - custom validation for group of html elements
I have a set of combo boxes on a HTML form which act as a Date
control:
div id=datecheck
select id=datecheck_y name=datecheck_y
option value=20092009/option
option value=20082008/option
option value=/option
/select
select id=datecheck_m name=datecheck_m
option value=1Jab/option
option value=2Feb/option
option value=/option
/select
select id=datecheck_d name=datecheck_d
option value=11/option
option value=3131/option
option value=/option
/select
/div
No I want to validate whether the user has left any value (year/month/
day) as blank, or if the values form a valid date (example invalid
date: 2009(datecheck_y),Feb(datecheck_m),31(datecheck_d)
For this I wrote two custom rules in JQuery, here is my approach:
I have two custom rules (REQUIRED_DATE, VALID_DATE):
$().ready(function() {
$.validator.addMethod(REQUIRED_DATE, function(value,
element) {
CheckBlankDate(element);
}, Date cannot be left blank);
$.validator.addMethod(VALID_DATE, function(value,
element) {
return this.optional(element) || CheckDate(element);
}, Date should be valid);
$(#form1).validate({
rules: {
datecheck: { REQUIRED_DATE:
true,VALID_DATE: true }
},
messages: {
datecheck:
{
REQUIRED_DATE: Date is required,
VALID_DATE: Date should be valid
}
}
});
});
Here are the CheckDate, CheckDateBlank JavaScript functions for
reference:
function ValidateDate(y, mo, d, h, mi, s) {
var date = new Date(y, mo - 1, d, h, mi, s, 0);
var ny = date.getFullYear();
var nmo = date.getMonth() + 1;
var nd = date.getDate();
var nh = date.getHours();
var nmi = date.getMinutes();
var ns = date.getSeconds();
var flag = (ny == y nmo == mo nd == d nh == h
nmi == mi ns == s);
return (flag);
}
function CheckDate(dateElement) {
var y, mo, d, h, mi, s;
y = document.getElementById(dateElement.id + '_y').value;
mo = document.getElementById(dateElement.id +
'_m').value;
d = document.getElementById(dateElement.id + '_d').value;
h = document.getElementById(dateElement.id + '_h').value;
mi = document.getElementById(dateElement.id +
'_min').value;
s = 0;
return ValidateDate(y, mo, d, h, mi, s);
}
function CheckBlankDate(dateElement) {
var y, mo, d, h, mi, s;
y = document.getElementById(dateElement.id + '_y').value;
mo = document.getElementById(dateElement.id +
'_m').value;
d = document.getElementById(dateElement.id + '_d').value;
h = document.getElementById(dateElement.id + '_h').value;
mi = document.getElementById(dateElement.id +
'_min').value;
s = 0;
if(y== || mo == || d==)
{
return false;
}
return true;
}
This approach does not work, as I believe JQuery cannot find any input
element with name datecheck. Is there any other approach that we can
follow?
Excellent - Sr. .Net Consultant Available
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sel_modelo.empty();
for (var i = 0; i json.rs_modelo.length; i++)
sel_modelo.append(new Option('text', 'value'));
Any hints?
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