FilterOptions为什么没有起作用？？

FilterOptions为什么没有起作用？？
我都已经这样写了，但还是不行啊！这个FilterOptions与是否Active无关吧！
对象观察器里没有FilterOptions这个选项啊！！
要不我还是把程序发给你，帮我看一下？谢谢
__fastcall TDataModule2::TDataModule2(TComponent* Owner)
    : TDataModule(Owner)
{
   DataModule2->IBTable1->FilterOptions<<foCaseInsensitive;
   DataModule2->IBTable2->FilterOptions<<foCaseInsensitive;
   DataModule2->IBTable3->FilterOptions<<foCaseInsensitive;
}
//---------------------------------------------------------------------------void __fastcall TDataModule2::DataModuleCreate(TObject *Sender)
{
   DataModule2->IBTable1->FilterOptions<<foCaseInsensitive;
   DataModule2->IBTable2->FilterOptions<<foCaseInsensitive;
   DataModule2->IBTable3->FilterOptions<<foCaseInsensitive;
}
//---------------------------------------------------------------------------void __fastcall TDataModule2::IBTable1AfterOpen(TDataSet *DataSet)
{
   DataModule2->IBTable1->FilterOptions<<foCaseInsensitive;
   DataModule2->IBTable2->FilterOptions<<foCaseInsensitive;
   DataModule2->IBTable3->FilterOptions<<foCaseInsensitive;
}
//---------------------------------------------------------------------------void __fastcall TDataModule2::IBTable1BeforeOpen(TDataSet *DataSet)
{
   DataModule2->IBTable1->FilterOptions<<foCaseInsensitive;        
   DataModule2->IBTable2->FilterOptions<<foCaseInsensitive;
   DataModule2->IBTable3->FilterOptions<<foCaseInsensitive;
}
//---------------------------------------------------------------------------void __fastcall TDataModule2::IBTable1FilterRecord(TDataSet *DataSet,
      bool &Accept)
{
   DataModule2->IBTable1->FilterOptions<<foCaseInsensitive;
   DataModule2->IBTable2->FilterOptions<<foCaseInsensitive;
   DataModule2->IBTable3->FilterOptions<<foCaseInsensitive;
}