IT Solutions: December 2011

Tuesday, December 13, 2011

Enabling Disabled Submit Button by Clicking CheckBox on HTML

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
    <head>
        <title></title>
        <meta http-equiv="content-type" content="text/html;charset=iso-8859-1;" />
     </head>
    <body>
        <form action="">
            <input type="checkbox" onclick="this.form.btnSubmit.disabled = !this.checked;">
                Check this in order to submit
            <br /><br />
            <input name="btnSubmit" type="submit" value="Submit" disabled="disabled" />
        </form>
    </body>
</html>

Friday, December 2, 2011

Calculating Age from Date of Birth in Java /JSP

<%@page import="java.text.DateFormat"%>
<%@page import="java.text.SimpleDateFormat"%>

<%
String dob = "1986-06-24"; (YYYY-MM-DD)

            int yearDOB = Integer.parseInt(dob.substring(0, 4));
            int monthDOB = Integer.parseInt(dob.substring(5, 7));
            int dayDOB = Integer.parseInt(dob.substring(8, 10));

            DateFormat dateFormat = new SimpleDateFormat("yyyy");
          java.util.Date date = new java.util.Date();
            int thisYear = Integer.parseInt(dateFormat.format(date));

            dateFormat = new SimpleDateFormat("MM");
          date = new java.util.Date();
            int thisMonth = Integer.parseInt(dateFormat.format(date));

            dateFormat = new SimpleDateFormat("dd");
            date = new java.util.Date();
            int thisDay = Integer.parseInt(dateFormat.format(date));

            int age = thisYear - yearDOB;

            if (thisMonth < monthDOB) {
                age = age - 1;
        }

          if (thisMonth == monthDOB && thisDay < dayDOB) {
                age = age - 1;
        }

%>

<%=age%>