delphi做报表时出现如下有关问题，请大牛们看看哦

delphi做报表时出现如下问题，请大牛们看看哦
[Error] UEmpForm.pas(55): Undeclared identifier: 'FindRaveComponent'
[Error] UEmpForm.pas(55): Operator not applicable to this operand type
[Error] UEmpForm.pas(57): Operator not applicable to this operand type
[Fatal Error] PEmployee.dpr(6): Could not compile used unit 'UEmpForm.pas'



源代码：
unit UEmpForm;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, RpDefine, RpRave, StdCtrls, Buttons, Grids, DBGrids, DB,
  DBTables, RpCon, RpConDS, RVClass, RVProj, RVCsStd;

type
  TEmpForm = class(TForm)
  grp1: TGroupBox;
  dbgrd1: TDBGrid;
  grp2: TGroupBox;
  searchbtn1: TBitBtn;
  btn1: TBitBtn;
  edt1: TEdit;
  procedure searchbtn1Click(Sender: TObject);
  procedure btn1Click(Sender: TObject);
  private
  { Private declarations }
  public
  { Public declarations }
  end;

var
  EmpForm: TEmpForm;

implementation
uses UEmployee;

{$R *.dfm}

procedure TEmpForm.searchbtn1Click(Sender: TObject);
var
  SalarySum :Double;
  MyPage: TRavePage;
  Mytext: TRaveText;
begin
with UEmployee.EmpTool.qry1 do
begin
  Close;
  SQL.Clear;
  //查总工资
  SQL.Add('select sum(Salary) from employee');
  Open;
  SalarySum:=Fields[0].AsFloat;
  Close;
end;
  UEmployee.EmpTool.emprvprjct1.Open;
  begin
  //查page
  MyPage := FindRaveComponent('Report2.MainPage', nil) as TRavepage;
  //查Text
  MyText := FindRaveComponent('totalSalary', MyPage) as TRaveText;
  //设置报表文本内容
  MyText.text := FloatToStr(SalarySum);
  //设置颜色
  //MyText.color := clGreen;
  end;
  UEmployee.EmpTool.emprvprjct1.ExecuteReport('Report2');
  UEmployee.EmpTool.emprvprjct1.Close;
end;

procedure TEmpForm.btn1Click(Sender: TObject);
begin
UEmployee.EmpTool.emprvprjct1.Execute;
end;

end.



不知道哪里错了。。。请大神们帮帮忙。。。

[解决办法]
FindRaveComponent

都告诉你了啊，Rave报表组件啊
[解决办法]
MyPage:=RvProject1.ProjMan.FindRaveComponent('Report2.MainPage', nil) as TRavepage;
[解决办法]
应该就是控件有问题的吧
[解决办法]
呵呵 ，学到知识就好，给分吧