validate TextBox Datetime field using javascript against MM/dd/yyyy hh:mm:ss format

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Posted 27-Oct-13 22:29pm

kanamala subin

Updated 28-Oct-13 0:11am

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Pheonyx · Answer 1 · 2013-10-27T22:43:00

I'm guessing that you got this function from somewhere else?
The reason I say that, is because if you wrote it yourself, or even stopped and studied the code you would be able to identify what you need to change without the need to post on here.

I suggest you look at this line of code here:

JavaScript

(!chkdate.match(/^(0[1-9]|[12][0-9]|3[01])[\- \/.](?:(0[1-9]|1[012])[\-\/.](19|20)[0-9]{2})$/))

As this is the line that is doing the current comparison, all you need to do is move the "month" section to where the "day" section is and vice versa.

Thomas ktg · Answer 2 · 2013-10-27T23:02:00

Solution 2

You can also try something similar to these forums.

Refer here,
http://stackoverflow.com/questions/10632346/how-to-format-a-date-in-mm-dd-yyyy-hhmmss-format-in-javascript[^]
http://www.lukemacneil.com/2010/04/26/javascript-to-format-date-like-mmddyyyy-hhmmss/[^]

Posted 27-Oct-13 23:02pm

Thomas ktg

kanamala subin · Answer 3 · 2013-11-28T02:52:00

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

if (!chkFromdate.match(/^(0[1-9]|1[012])[\/.](?:(0[1-9]|[12][0-9]|3[01])[\/.](19|20)[0-9]{2}\s[0-1][0-9]:[0-5][0-9]:[0-5][0-9]$/))
alert('date format is wrong');
document.getElementById("<%=txtFromDate.ClientID %>").focus();
return false;
}

if u want to validate AM and PM also

use expression as

chkFromdate.match(/^(0[1-9]|1[012])[\/.](?:(0[1-9]|[12][0-9]|3[01])[\/.](19|20)[0-9]{2}\s[0-1][0-9]:[0-5][0-9]:[0-5][0-9]\s(a|p|A|P)(m|M))$/))

validate TextBox Datetime field using javascript against MM/dd/yyyy hh:mm:ss format

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