Message >> DataTable internal index is corrupted: '5'.Source >> System.DataStackTrace >> at System.Data.RBTree`1.RBInsert(Int32 root_id, Int32 x_id, Int32 mainTreeNodeID, Int32 position, Boolean append) at System.Data.RBTree`1.RBInsert(Int32 root_id, Int32 x_id, Int32 mainTreeNodeID, Int32 position, Boolean append) at System.Data.Index.InitRecords(IFilter filter) at System.Data.Index..ctor(DataTable table, IndexField[] indexFields, Comparison`1 comparison, DataViewRowState recordStates, IFilter rowFilter) at System.Data.Select.CreateIndex() at System.Data.Select.SelectRows() at System.Data.DataTable.Select(String filterExpression) at XmlItem.GetQuotes(String KeyWord) in M:\WORK\OldIspace1\ispace1Latest\Controls\XmlItem.ascx.cs:line 1038