DatabaseHandle :: ExecuteDatabaseAction - Execute database context function
The function allows calling context functions (actions) defined in the application's database context. The action passed in action_name must be known es action in the database context. When passing parameters, those must correspond to parameter conventions as defined in the action function.
Return value:  Success ( logical  )
Implementation details
logical 
DatabaseHandle  :: ExecuteDatabaseAction ( NString &action_name, NString &cnparm )
- action_name
 - Action name
Used in order to initialize CAU_Actions from database definitions. Notes:Should be C string 
- cnparm - - Title unknown

