Hello, I knew, there are thousends of topics similiar to mine. I read them all. Nothing works for me. And there i will discribe my problem: I created a Oracle database using Oracle SQL developer setting values :
connection name: test,
Connection type: basic,
SID : orcl.
Reason im writing all of this is that i rally did everything possible, and i hope that by providing each kind of data someone will be able to help me.
My next step was downloading and instaling ODAC 11.2 Release 4 (22.214.171.124.0) with Oracle Developer Tools for Visual Studio.
When i want make a connection to databese from my application using server explorer im entering following data:
data source name: //localhost:1521/test
user name: ADMIN
password : qwerty
connection name is being set automaticly.
When im trying to test connection im getting ORA 12514... and here it is how i changed mine tnsname.ora: