unit9.~pas

如何为 教师和学生准备方便易查的学习资源是课程编制面临的新的巨大的课题。在教学资源的选取上

unit Unit9;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls;

type
  TForm9 = class(TForm)
    Panel1: TPanel;
    Label1: TLabel;
    ComboBox1: TComboBox;
    Label2: TLabel;
    Edit1: TEdit;
    Label3: TLabel;
    ComboBox2: TComboBox;
    Label4: TLabel;
    ComboBox3: TComboBox;
    Label5: TLabel;
    ComboBox4: TComboBox;
    Label6: TLabel;
    ComboBox5: TComboBox;
    Button1: TButton;
    Button2: TButton;
    Label7: TLabel;
    ComboBox6: TComboBox;
    procedure FormShow(Sender: TObject);
    procedure ComboBox2Change(Sender: TObject);
    procedure ComboBox1Change(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form9: TForm9;

implementation

uses Unit7, Unit4;

{$R *.dfm}

procedure TForm9.FormShow(Sender: TObject);
var
search:string;
begin
    datamodule7.ADOQuery1.Close;
    datamodule7.ADOQuery1.SQL.Clear;
    datamodule7.ADOQuery1.SQL.Add('select 课程号 from cc ');
    datamodule7.ADOQuery1.Prepared;
    datamodule7.ADOQuery1.Open;
    while not datamodule7.ADOQuery1.Eof do
    begin
        search:=datamodule7.ADOQuery1.FieldValues['课程号'];
        combobox1.Items.Add(search);     //注意！1！！！！！！！！！！！
        datamodule7.ADOQuery1.Next;
    end

end;

procedure TForm9.ComboBox2Change(Sender: TObject);
var
    search:string;
begin
    search:=trim(combobox2.Text);
    datamodule7.ADOQuery1.Close;
    datamodule7.ADOQuery1.SQL.Clear;
    datamodule7.ADOQuery1.SQL.Add('select 系名 from sys where 院名='''+search+'''');
    datamodule7.ADOQuery1.Prepared;
    datamodule7.ADOQuery1.Open;
    while not datamodule7.ADOQuery1.Eof do
    begin
        search:=datamodule7.ADOQuery1.FieldValues['系名'];
        combobox3.Items.Add(search);     //注意！1！！！！！！！！！！！
        datamodule7.ADOQuery1.Next;
    end

end;

procedure TForm9.ComboBox1Change(Sender: TObject);
var
search:string;
begin
    search:=trim(combobox1.Text);
    datamodule7.ADOQuery1.Close;
    datamodule7.ADOQuery1.SQL.Clear;
    datamodule7.ADOQuery1.SQL.Add('select 教材 from cc where 课程号='''+search+'''');
    datamodule7.ADOQuery1.Prepared;
    datamodule7.ADOQuery1.Open;
    while not datamodule7.ADOQuery1.Eof do
    begin
        search:=datamodule7.ADOQuery1.FieldValues['教材'];
        combobox5.Items.Add(search);     //注意！1！！！！！！！！！！！
        datamodule7.ADOQuery1.Next;
    end

end;

procedure TForm9.Button2Click(Sender: TObject);
begin
form4.show;
form9.Close;
end;

end.