Session variables

The AppDB class publishes these methods for manipulating session variables for the caller's session:

Method Description 
public void SetSessionVariable(
   string name,
   string varValue)
 Sets the value of a session variable 
public string GetSessionVariable(
   string name)
 Gets the value of a session variable 
public string GetSessionVariable(
   string name,
   string defaultValue)
 Gets the value of a session variable, returning the specified default value if it does not exist 
public string GetSessionVariable(
   string name,
   string defaultValue,
   bool delete)
 Gets the value of a session variable, returning the specified default value if it does not exist, and deleting it if it does exist 
public void 
DeleteSessionVariable(
   string name)
 Deletes a session variable