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An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
[OracleException (0x80131938): ORA-12514: TNS:listener does not currently know of service requested in connect descriptor ] System.Data.OracleClient.OracleException.Check(OciErrorHandle errorHandle, Int32 rc) +84 System.Data.OracleClient.OracleInternalConnection.OpenOnLocalTransaction(String userName, String password, String serverName, Boolean integratedSecurity, Boolean unicode, Boolean omitOracleConnectionName) +688 System.Data.OracleClient.OracleInternalConnection..ctor(OracleConnectionString connectionOptions) +135 System.Data.OracleClient.OracleConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) +37 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +28 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +429 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +70 System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +512 System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +85 System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +102 System.Data.OracleClient.OracleConnection.Open() +34 userlist.login.btnSubmit_Click(Object sender, EventArgs e) +299 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +105 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +107 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102