Items stored in Session state are scoped to a particular user. You use Session state to store user preferences or other user-specific data across multiple page requests. Session state has no size limitations. Session state can represent more complex objects than simple strings of text. <%@ Page Language="C#" %> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> void Page_Load() { Session["message"] = "Hello World!"; }