[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() +1063858
System.Data.OleDb.OleDbDataReader.GetValue(Int32 ordinal) +30
System.Data.OleDb.OleDbDataReader.get_Item(String name) +27
Tianv.DBUtility.EntityHelper.readFromReader(IDataReader reader, IList`1 keys, String columnName, String foreString) +141
Tianv.DBUtility.EntityHelper.readFromReader(IDataReader reader, IList`1 keys, String columnName) +57
Tianv.Factory.tianv_news.create(IDataReader reader, IList`1 keys) +483
Tianv.Factory.tianv_news.create(IDataReader reader) +44
Tianv.Factory.tianv_news.create(SqlQuery sql) +54
Tianv.DAL.tianv_news.select(Provider provider, TableColumn column, Object columnValue) +139
Tianv.DAL.tianv_news.select(Object keyId) +32
Tianv.BLL.tianv_news.Select(Object keyId) +15
work_work_info.Page_Load(Object sender, EventArgs e) +384
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +50
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627
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