Function.ODBC.Misc.IsDSN
From GAB Help
Pass a DSN to be verified
Syntax
Function.ODBC.Misc.ISDSN(DSN Name, Ret boolean)
Arguments
DSN Name
Pass the System DSN Name
Return Boolean
True=Present on System, and False if not present on System
Example
Function.ODBC.MISC.IsDSN(“Global_GSS”, variable.local.bDSN) Returns true if the DSN “Global_GSS” exists on the machine.