在.Net(3.5)C#和Oracle Express 10g中开发应用程序。当我尝试connecto到数据库中,我得到这个错误:尝试使用OracleConnection连接到使用C#的Oracle Express 10时出错
从的OracleConnection对象我,在ServerVersion属性:
ServerVersion = 'conn.ServerVersion' produjo una excepción de tipo 'System.InvalidOperationException'
,并在catch:
ORA-12154: TNS:could not resolve the connect identifier specified
我正在使用此连接字符串:
Data Source=Angelo-HP/XE;User ID=MAPFRE;Password=123456;
我的tnsnames.ora设置:
XE =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = Angelo-HP)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = XE)
)
)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
)
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
)
)
ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
)
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
)
)
和我的sqlnet.ora是这样的:
SQLNET.AUTHENTICATION_SERVICES = (NTS) NAMES.DIRECTORY_PATH= (LDAP, TNSNAMES, HOSTNAME)
任何想法,为什么我无法连接?
谢谢。
尝试在连接字符串中将数据源设置为XE。你能翻译英文的错误信息吗?更容易理解我们;-) – Koen
'conn.ServerVersion'类型'System.InvalidOperationException'发生的异常 TNS:无法解析指定的连接标识 –
使用ODP.NET ?. – Reniuz