How to compare two textbox date in ASP.NET C#?

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I entered two date in two textboxes.now i want to compare that two dates .if the second date is greater than first date show the alert message.

What I have tried:

I have tried to compare two dates.but i used online scripts
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6/jquery.min.js" type="text/javascript"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"
type="text/javascript"></script>
<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css"
rel="Stylesheet" type="text/css" />

now i compare two date

Posted 28-Apr-16 2:20am

Raja Ganapathy

Updated 28-Apr-16 2:26am

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Karthik_Mahalingam 28-Apr-16 8:24am

in javascript or c# ?

1 solution

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Nigam,Ashish · Answer 1 · 2016-04-28T02:26:00

With Java Script:

<Script Language=Javascript>
function CompareDates()
{
var str1 = document.getElementById("Fromdate").value;
var str2 = document.getElementById("Todate").value;
var dt1 = parseInt(str1.substring(0,2),10);
var mon1 = parseInt(str1.substring(3,5),10);
var yr1 = parseInt(str1.substring(6,10),10);
var dt2 = parseInt(str2.substring(0,2),10);
var mon2 = parseInt(str2.substring(3,5),10);
var yr2 = parseInt(str2.substring(6,10),10);
var date1 = new Date(yr1, mon1, dt1);
var date2 = new Date(yr2, mon2, dt2);
if(date2 < date1)
{
alert("To date cannot be greater than from date");
return false;
}
else
{
alert("Submitting ...");
document.form1.submit();
}
}
</Script>

With JQuery:

function DateCheck(sender, args) {
var stDate = new Date($(":asp('txtFundPeriodStDate')").val());
var endDate = new Date($(":asp('txtFundingPeriodEndDate')").val());
alert(stDate);
alert(endDate);

if (stDate > endDate) {
alert( 'Please enter valid date' )
args.IsValid = false;
}

args.IsValid = true;
}