Hello,
I have an entity framework in VS2015 with oracle.
When I run the application it gives me the following error:
"the underlying provider failed on open"
Install 64-bit ODAC 12c Release 4 (12.1.0.2.4) for Windows x64 but I have the same problem
Another test I have done has been trying to generate a database from model but fails. It returns me the following message:
"The libraries required for VS to communicate with the database for design tasks (DDEX provider) are not installed for 'Oracle.ManagedDataAcces.Client'"
I have also tried installing Oracle Developer Tools for Visual Studio 2015 (12.1.0.2.4) but I have the same problem
What else do I have to install?
thanks!