Software developer can use System.Web.SessionState.HttpSessionState member Count which returns the number of items in the current session collection. Related TutorialsHow to use selectable list controls in ASP.NET page in C# How to use the BulletedList control in ASP.NET page How to transfer information between pages in ASP.NET using a query string in C# How to create secure web applications in ASP.NET How to create an XML file by using LINQ to XML in C#