[InvalidOperationException: 提供程序无法确定 Object 值。例如,该行刚刚创建,未提供 Object 列的默认值,并且使用者尚未设置新 Object 值。]
System.Data.OleDb.ColumnBinding.Value() +1206234
System.Data.OleDb.OleDbDataReader.GetValues(Object[] values) +85
System.Data.ProviderBase.CommonLanguageSubsetDataReader.GetValues(Object[] values) +13
System.Data.ProviderBase.SchemaMapping.LoadDataRow() +38
System.Data.Common.DataAdapter.FillLoadDataRow(SchemaMapping mapping) +196
System.Data.Common.DataAdapter.FillFromReader(DataSet dataset, DataTable datatable, String srcTable, DataReaderContainer dataReader, Int32 startRecord, Int32 maxRecords, DataColumn parentChapterColumn, Object parentChapterValue) +197
System.Data.Common.DataAdapter.Fill(DataSet dataSet, String srcTable, IDataReader dataReader, Int32 startRecord, Int32 maxRecords) +410
System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +218
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +136
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet) +88
DBUtility.DbHelperOleDb.Gettable(String SQLString) +156
Web.Products_detail.Bind() +130
Web.Products_detail.Page_Load(Object sender, EventArgs e) +72
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
System.Web.UI.Control.OnLoad(EventArgs e) +95
System.Web.UI.Control.LoadRecursive() +59
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678
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