JavaScript Date Format Problem

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This is My Code

var txtFromDate = document.getElementById("<%=txtFromDate.ClientID%>").value;
var txtToDate = document.getElementById("<%=txtToDate.ClientID%>").value;

var D1 = new Date(txtFromDate);
var D2 = new Date(txtToDate);

if(D1 > D2)
   alert("FromDate cannot be greater than ToDate");

But Problem here is
--> txtFromDate and txtToDate are in "dd-mmm-yyyy" Date Formate (22-Jan-2011)
--> Thats why D1 and D2 vale coming as "NaN"
--> Bcoz of this I cant do comparison bw D1 & D2

--> Give me a solution so that i can convert 22-Jan-2011 format to 22-01-2011
--> Or else any other solution with respect with Date Comparison bw D1 & D2

Thank You...

Posted 22-Jun-11 19:22pm

Prasad CM

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3 solutions

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SanjeevSingh · Answer 1 · 2011-06-22T19:40:00

Hello,

try this

C#

if (Convert.ToDateTime(txtIn.Text) > Convert.ToDateTime("1/1/2000"))
            {
                lblOut.Text = "greater then 1/1/2000";
            }
            else
            {
                lblOut.Text = "equal or less then 1/1/2000";
            }

this works for me

sanjeev

RakeshMeena · Answer 2 · 2011-06-22T19:57:00

Solution 2

I believe your real issue is the format.
Here is some nice work done on Date formatting in javascript. They provide a javascript library which might be of some help.

If you can use JQuery plugins, here is one which I think will be helpful.

Hope this helps!

Posted 22-Jun-11 19:57pm

RakeshMeena

Updated 22-Jun-11 20:03pm

v3

thatraja · Answer 3 · 2011-06-22T20:05:00

Change the date format

var txtFromDate = '23/Jan/2011';//document.getElementById("<%=txtFromDate.ClientID%>").value;
var txtToDate = '22/Jan/2011';//document.getElementById("<%=txtToDate.ClientID%>").value;

var D1 = new Date(txtFromDate);
var D2 = new Date(txtToDate);
if(D1 > D2)
{
    alert("FromDate cannot be greater than ToDate");
}
else
{
  //Nothing

}

JavaScript Date Format Problem

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Solution 2

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