Software developer can use System.Web.SessionState.HttpSessionState member Count which returns the number of items in the current session collection. Related TutorialsHow to manage the ASP.NET web service data caching in C# How to remove underlines from my links with CSS How to manage the ASP.NET web service transaction option in VB.NET How to use TreeView to make XML hierarchical data binding in ASP.NET How to manage the ASP.NET web service session state in VB.NET