System.Data.OleDb.OleDbException: No error message available, result code: E_UNEXPECTED(0x8000FFFF).
at System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection)
at System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup)
at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.OleDb.OleDbConnection.Open()
at DXBBS.DataProviders.DataProvider..ctor()&&征服者GPS-318怎么升级
征服者GPS-318怎么升级
这是一款很老的机型了，但升级是可以的，没有更新包的，征服者不是用升级包来升级的，卖的地方也是无法升级的，因为他只是普通的经销商而已，要是你想升级最新坐标6079版，费用在200元左右，全国最新坐标。
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