Can i get seleted value from DropDownList with AutoPostBack='false' using C# code?

Question

Dear All,

        I am doing an application in ASP.net with C#.In my application,i need to get seleted value from DropDownList with AutoPostBack='false' using C# code.Is it possible to get it? 
Any help will really appreciable.

Best regards,
Fuad Pulpadan