To validate entered date is earlier than or equal to current date in javascript

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Hi everyone,
I have been trying out for a code where there is a control to enter a date and the entered date has to be validated such that entered date must be earlier than or equal to current date.
Can anyone please help me achieve this?

Posted 27-Mar-13 22:39pm

codegirl24

Updated 27-Mar-13 22:44pm

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Ankur^\m/ 28-Mar-13 5:27am

Did you search Google for calender control asp.net? AJAX calendar control is used a lot. add jquery to your search string and there will be lot of results you will be interested in.

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Maciej Los · Answer 1 · 2013-03-28T00:14:00

Solution 1

Your question is not clear...
I suggest you to see this: http://www.w3schools.com/js/js_obj_date.asp[^]

Posted 28-Mar-13 0:14am

Maciej Los

N ManojKumar · Answer 2 · 2013-03-28T04:44:00

Hi,

Hope you are entering your date in dd/MM/yyyy format. So here is the sample code for the solution to your problem.

Place a TextBox in your .aspx page like this.

ASP.NET

<asp:TextBox ID="txtDate" runat="server" Width="100px" onblur="checkDate(this.value);"></asp:TextBox>

Place the below script in your .aspx page

JavaScript

<script type="text/javascript" language="javascript">

    function checkDate(input) {
    
    var today = new Date();
    var todayFormat = today.format("MM/dd/yyyy");
    var endDate = formatDate(input);
    if (endDate > todayFormat) {
        alert("Entered date must be earlier than or equal to current date!");
    }
}

function formatDate(input) {
            var datePart = input.match(/\d+/g);
            var day = datePart[0] 
            var month = datePart[1]
            var year = datePart[2];
            var myDate = month + '/' + day + '/' + year;
            return myDate;
        }
</script>

Hope this will solve your problem. Please let me know if you face any issues.

Regards,
Manoj

codegirl24 · Answer 3 · 2013-04-07T23:18:00

Heres my code and it works :)
It is definitely trivial kind of code but it works :)
Thanks Manoj,Maciej Los for providing me the basic idea of how i must work for this.

<title> New Document

function checkDate(){
var input = document.form1.dateString.value;
var arr = input.split("/");
var newdate= new Date();
var sysday = newdate.getDate();
var sysmonth=newdate.getMonth();
var sysyear=newdate.getFullYear();
if((arr[0] > sysday) || (arr[1] > sysmonth) || (arr[2] > sysyear)){
alert("wrong date");
}
}

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To validate entered date is earlier than or equal to current date in javascript

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