Software developer can use System.Web.SessionState.HttpSessionState member Clear() which removes all the session items but doesn’t change the current session identifier. Related TutorialsTemplate properties of GridView control How to manage the Wizard control appearance in ASP.NET pages How to manage the TreeView control appearance in ASP.NET How to complete XHTML page in ASP.NET 4.0 How to use XMLTextWriter with XML Namespaces in C#