How to wite encrypt and decrypt function

Hi.

You can follow this article to implement encrypt and decrypt using Jquery,

 

http://jqueryexamplecode.blogspot.com/2014/04/how-to-do-encryption-and-decryption.html

 

 To implemet details based on empid, what you can do is get the empid when user enter inside the textbox and based on that get all the details and bind in textbox.

 

When user clicks on edit button then only he can fill the entire form , to do this  you can follow below link,

 

http://20fingers2brains.blogspot.com/2013/04/enable-and-disable-textbox-using-jquery.html

 

Thanks.