"/" erreur serveur dans l’application.

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Ligne 27: si (conn.state == connectionstate.closed) ligne 28: {Ligne 29: conn.open ();Ligne 30:} ligne 31: retour conn;

[OleDbException 0x80004005) : non spécifié erreur] le système le OleDb le OleDbConnectionInternal.. ctor(OleDbConnectionString constr, OleDbConnection connection) +334 System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) +92 System.Data.ProviderBase.DbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) +24 System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection  owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions) +38 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +531 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +156 System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +22 System.Data.ProviderBase.DbConnectionInternal.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +19 System.Data.OleDb.OleDbConnection.Open() +43 OleDbHelper.getConn() in E :\web\xinhuide.com_2018.6.22\App_Code\ oledbhelper.cs :29 oledbhelper.table (chaîne cmdText, OleDbParameter[] pars, CommandType ct) à E :\web\xinhuide.com_2018.6.22\App_Code\ oledbhelper.cs :118 newsclass.table (Int32 id) dans E :\web\xinhuide.com_2018.6.22\App_Code\ newsclass.cs :96 news_t.Page_Load(objet sender, EventArgs E) à E :\web\ xinhuide.com._2018.6.22 \news_t.aspx.cs:20 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52 System.Web.UI.Control.OnLoad(EventArgs e) +97 System.Web.UI.Control.LoadRecursive() +61 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693