I am not able to resolve the error of "ORA-12514: TNS:listener does not currently know of service requested in connect descriptor".
Below Link is the indication, related to that error.
http://dba-oracle.com/t_ora_12514_tns_listener_does_not_currently_know_service_requested.htm
Ankur JainPosted Apr 2, 2015, 12:14 AM
yes you can connect vs with oracle...
have a look on these article...
http://www.oracle.com/technetwork/articles/dotnet/vs2010-oracle-dev-410461.html
http://docs.oracle.com/cd/E17781_01/appdev.112/e18751/installation.htm#CACBIDHI