Go C # Connect to Oracle Database (direct reference DLL usage)

Original address: http://www.cnblogs.com/gguozhenqian/p/4262813.html

There is a feature in the project need to get data from an Oracle database, this thought is very simple thing, the original SqlClient changed to OracleClient call, the result is far from the simple. There are a lot of needs to install Oracle client, just the project is very urgent, the company also has no Oracle environment, can make me nasty. This aspect of the Internet search, too many articles, but also to test, choose, are almost bored. Finally found me a friend, he directly helped me to write a demo, I changed the connection string, the success of the connection, thank him very much. This DLL is actually provided by Oracle for C #, and it can be downloaded to the official (but it's cumbersome to find).

Here I will share this program and DLL to everyone.

Operation Steps:

2. DLL after downloading and referencing
   : Oracle.ManagedDataAccess.zip
   After downloading, place the Oracle.ManagedDataAccess.dll in your project and then reference
   
   
3. Direct invocation (connstring changes to its own connection string)
   

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   using Oracle.ManagedDataAccess.Client;public static string ConnectOracle()        {            try            {                string connString = "Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=130.147.246.144)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=ECMS)));Persist Security Info=True;User ID=system;Password=Service01;";                OracleConnection con = new OracleConnection(connString);                               con.Open();                 return string.Empty;            }            catch (Exception ex)            {                return ex.ToString();            }        }

   　　
   It is so simple!!!

5. Link string other notation:

   "Data source= (description= (address_list= (address= (PROTOCOL=TCP)

   (host=192.168.115.33) (port=1521))) (Connect_data= (service_name= Testdemo)));

   User id=oracle_test; Password=oracle ";

additional Help Documentation:

Http://www.cnblogs.com/yjmyzz/archive/2013/11/01/3400999.html
Http://www.cnblogs.com/ly303550688/archive/2013/01/31/2887104.html

Http://www.cnblogs.com/greenerycn/archive/2010/06/05/1751938.html

(GO) C # Connect to Oracle database (directly referencing DLLs)