错误信息:
Project   Project1.exe  raised  exception  class EOleException with  message “应用程序使用的参数或类型不正确,或者不在可以接受的范围之内,要不就是与其他数据冲突。”process stopped, use step or run continue.
数据库为(Microsoft Access 2000)
具体代码:{ Button1Click不出错,Button2Click出错,显示以上错误信息}
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, DBCtrls, Grids, DBGrids, DB, ADODB, StdCtrls;
type
  TForm1 = class(TForm)
    ADOConnection1: TADOConnection;
    ADOTable1: TADOTable;
    DBGrid1: TDBGrid;
    DBNavigator1: TDBNavigator;
    DataSource1: TDataSource;
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
var
  Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
begin
form1.ADOTable1.Filtered:=false;
form1.ADOTable1.Filter:='父亲年龄'+'<29';
form1.ADOTable1.Filtered:=true;
end;procedure TForm1.Button2Click(Sender: TObject);
begin
form1.ADOTable1.Filtered:=false;
form1.ADOTable1.Filter:='父亲年龄'+'>29';
form1.ADOTable1.Filtered:=true;
end;