System.InvalidOperationException: The provider could not determine the Object value. For example, the row was just created, the default for the Object column was not available, and the consumer had not yet set a new Object value.
at System.Data.OleDb.ColumnBinding.Value()
at System.Data.OleDb.OleDbDataReader.GetValues(Object[] values)
at System.Data.ProviderBase.DataReaderContainer.CommonLanguageSubsetDataReader.GetValues(Object[] values)
at System.Data.ProviderBase.SchemaMapping.LoadDataRow()
at System.Data.Common.DataAdapter.FillLoadDataRowChunk(SchemaMapping mapping, Int32 startRecord, Int32 maxRecords)
at System.Data.Common.DataAdapter.FillFromReader(DataSet dataset, DataTable datatable, String srcTable, DataReaderContainer dataReader, Int32 startRecord, Int32 maxRecords, DataColumn parentChapterColumn, Object parentChapterValue)
at System.Data.Common.DataAdapter.Fill(DataSet dataSet, String srcTable, IDataReader dataReader, Int32 startRecord, Int32 maxRecords)
at System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior)
at System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable)
at DreamweaverCtrls.DataSet.DoInit()
System.Data.OleDb.OleDbException: Unspecified error
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 DreamweaverCtrls.DataSet.DoInit()Austin Hughes infra rack Tủ rack tiêu chuẩn cao cấp cho data center thế hệ mới -::- Bình Định quảng cáo -::-
Hỗ trợ đầy đủ kích cỡ - cấu hình. Tủ rack đạt chuẩn RoHS / REACH. Tủ rack Austin Hughes – Infra Rack có các cửa hông có khóa, đảm bảo an ninh thiết bị bên trong tủ.
Ngoài ra các tấm nóc tủ có khoét sẵn các vị trí đi dây cáp thuận tiện, được che chắn đầy đủ tránh thất thoát hơi lạnh.
Tủ rack Infra Rack dòng SR hỗ trợ tải trọng thiết bị tối đa lên đến 1.500kg, dòng NSR hỗ trợ tải trọng lên đến 1.000kg, đáp ứng nhu cầu tải trọng cho các Data Center thế hệ mới sử dụng thiết bị trọng lượng cao như Cisco NEXUS 7000 switch, các chassis Server Blade vm24 / 36/ 48 v.v