I just tried the double quotes as follows, but it came back with an error, "Not a valid file name".

lnConnHandle = SQLSTRINGCONNECT("DSN=MS Access Database;DBQ='+;
	lcMDBDir+'\'+lcMDBName"+';DefaultDir='+;
	lcMDBDir+';DriverId=25;FIL=MS Access;MaxBufferSize=2048;'+;
	'PageTimeout=5;UID=admin;')