Check whether Old and New Passwords are similar (ASP.NET)
I have a Password Reset Functionality ,I have to check whether Old and New Passwords are

similar, If similar or same through error .

**If,<br/>**
Old Password : **BradPitt**<br/>
New Password :**JohnPitt**<br/>

**Here passwords are similar** 

What I have to do is, I have to check whether **PASSWORDS ARE ATLEAST 50% SIMILAR. in ASP.NET** 
Check whether Old and New Passwords are similar (ASP.NET)
===

I have a Password Reset Functionality ,I have to check whether Old and New Passwords are

similar, If similar or same through error .

**If,<br/>**
Old Password : **BradPitt**<br/>
New Password :**JohnPitt**<br/>

**Here passwords are similar** 

What I have to do is, I have to check whether **PASSWORDS ARE ATLEAST 50% SIMILAR. in ASP.NET** 