不能使用 ''；文件已在使用中。<p>   在 System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection)
   在 System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
   在 System.Data.ProviderBase.DbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
   在 System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions)
   在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
   在 System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
   在 System.Data.ProviderBase.DbConnectionInternal.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
   在 System.Data.OleDb.OleDbConnection.Open()
   在 DBUtility.DbHelperOleDb.PrepareCommand(OleDbCommand cmd, OleDbConnection conn, OleDbTransaction trans, String cmdText, OleDbParameter[] cmdParms) 位置 D:\phpstudy_pro\WWW\yctionsoft\DTcms.DBUtility\DbHelperOleDb.cs:行号 640
   在 DBUtility.DbHelperOleDb.Query(String SQLString, OleDbParameter[] cmdParms) 位置 D:\phpstudy_pro\WWW\yctionsoft\DTcms.DBUtility\DbHelperOleDb.cs:行号 596
   在 DAL.article.GetModel(Int32 id) 位置 D:\phpstudy_pro\WWW\yctionsoft\DTcms.DAL\article.cs:行号 755
   在 Web.dynamicdetail.Page_Load(VelocityContext& context) 位置 D:\phpstudy_pro\WWW\yctionsoft\DTcms.Web\dynamicdetail.cs:行号 17
   在 BLL.TemplatePage.Filter(String requestPath, HttpContext& context)</p>