AJAX Password Strength Extender shows the strength of user chosen passwords.the strength can be show in a text form, a bar indicator or combination of both.Now i am going to show you how to add ajax password extender control to a asp.net page, In case of Visual studio 2005 install AjaxControlToolkit and in case of Visual studio 2010 add AjaxControlToolkit.dll in the project. I have added a text box and a label control in the page and page will be look like this: After that Add password strength code in the aspx file of the web page. <body> <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="ser...