Thursday, August 23, 2012

Date Validation between Startdate and end date using Javascript for ajax Calendar Control

Date Validation between Startdate and end date using Javascript
  function calculate(sender, args) {

            var value1 = document.getElementById('<%=txtSDate.ClientID%>').value.split("/");
            var value2 = document.getElementById('<%=txtEDate.ClientID%>').value.split("/");

            var dttime = new Date(value1[2], value1[1] - 1, value1[0]) //Month is 0-11 in JavaScript
            today = new Date(value2[2], value2[1] - 1, value2[0])

            date1 = new Date(today)
            date1.setHours(0, 0, 0, 0);

            if (dttime > date1) {
                document.getElementById('<%=txtEDate.ClientID%>').value = "";
                alert("From date is greater than to date! ");
            }
            else {

                //Get 1 day in milliseconds
                var oneday = 1000 * 60 * 60 * 24
                //Calculate diff between the two dates, and convert to days
                document.getElementById('<%=txtNoofDays.ClientID%>').value = (today.getTime() - dttime.getTime()) / (oneday);
            }
        }


it will Calculates diff between the two dates, and convert to days

1 comment:

  1. its very useful for ajax calendar control

    ReplyDelete

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