View state in Salesforce

Hi Kumar

View state holds the state of Visual force page.
The view state of a web page is composed of all the data that's necessary to maintain the state of the controller during server requests (like sending or receiving data). Since the view state contributes to the overall size of your page, performance of a page can depend on efficiently managing the view state. The View State tab in the development mode footer provides information about the view state of your Visualforce page as it interacts with Salesforce.

If your not using input tags in visual force page form is not required.Without form Viewstate is not created.

Hope this helps you