How to print out all the variables in the Session

VB.NET

Dim strKey as string
For Each strKey In Session.Keys
Response.Write(strKey + ' : ' + Session(strKey).ToString() + '<br>')
Next

C#

foreach (string strKey in Session.Keys) 
{ 
Response.Write(strKey + ' : ' + Session[strKey].ToString() + '<br>'); 
}