preventing reinserting of data when press browser's refresh button

I developed a web application in asp.net.I have a module for saving values to database after clicking the button event.Thats working successfully.After that when i clicked the browser's refresh button the values reinserted to the tab开发者_如何学编程le each time.How can i avoid this .Which is the code for this solution?

Here is a nice article on this

Preventing Duplicate Record Insertion on Page Refresh