.NET Framework 版本：2.0.50727.5466

Foxtable 版本：2012.11.28.1

错误所在事件：

详细错误信息：

System.Reflection.TargetInvocationException: 调用的目标发生了异常。 ---> System.Data.EvaluateException: 筛选表达式“trim([顾客姓名])”的计算结果不是布尔值项。

   在 System.Data.DataExpression.Invoke(DataRow row, DataRowVersion version)

   在 System.Data.Index.AcceptRecord(Int32 record, IFilter filter)

   在 System.Data.Index.InitRecords(IFilter filter)

   在 System.Data.Index..ctor(DataTable table, Int32[] ndexDesc, IndexField[] indexFields, Comparison`1 comparison, DataViewRowState recordStates, IFilter rowFilter)

   在 System.Data.DataTable.GetIndex(IndexField[] indexDesc, DataViewRowState recordStates, IFilter rowFilter)

   在 System.Data.DataView.UpdateIndex(Boolean force, Boolean fireEvent)

   在 System.Data.DataView.UpdateIndex(Boolean force)

   在 System.Data.DataView.SetIndex2(String newSort, DataViewRowState newRowStates, IFilter newRowFilter, Boolean fireEvent)

   在 System.Data.DataView.SetIndex(String newSort, DataViewRowState newRowStates, IFilter newRowFilter)

   在 System.Data.DataView.set_RowFilter(String value)

   在 Foxtable.WinForm.ComboBox.set_DataFilter(String O00l1)

   --- 内部异常堆栈跟踪的结尾 ---

   在 System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)

   在 System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)

   在 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)

   在 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)

   在 System.Reflection.RuntimePropertyInfo.SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture)

   在 System.Reflection.RuntimePropertyInfo.SetValue(Object obj, Object value, Object[] index)

   在 Foxtable.O11Ol10OlO0Oll.OO1O1l0l1lOl01O00ll11010l01l(Object O01, String O1lO0lOl00l0l0, Char Olll11011)

   在 Foxtable.WinForm.Form.O0O11O1O0l1O(ControlCollection Ol00l01O, DataRow O0Ol0llOl, Int32 OOl0)

   在 Foxtable.WinForm.Form.Create()

   在 Foxtable.WinForm.Form.O01O(O0011ll101 OOOlO001, Int32 O, Int32 O)

   在 Foxtable.WinForm.Form.Open(Int32 O, Int32 O)

   在 Foxtable.frmMain.O001O0lO10()

   在 Foxtable.Syscmd.Project.Open(String OllOl11l, String[] OO01)