unit11.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 Unit11;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, StdCtrls, Grids, DBGrids,unit7,unit1;

type
  TForm11 = class(TForm)
    Panel1: TPanel;
    Label1: TLabel;
    ComboBox1: TComboBox;
    Button1: TButton;
    Button2: TButton;
    DBGrid1: TDBGrid;
    procedure Button2Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure ComboBox1Change(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form11: TForm11;

implementation

uses Unit5;

{$R *.dfm}

procedure TForm11.Button2Click(Sender: TObject);
begin
combobox1.Items.Clear;
form5.show;
form11.Close;
end;

procedure TForm11.FormShow(Sender: TObject);
var
    search:string;
begin
    //search:=trim(combobox1.Text);
    datamodule7.ADOQuery1.Close;
    datamodule7.ADOQuery1.SQL.Clear;
    datamodule7.ADOQuery1.SQL.Add('select 课程号 from cc ');
    datamodule7.ADOQuery1.Open;
    while not datamodule7.ADOQuery1.Eof do
    begin
    search:=trim(datamodule7.ADOQuery1.FieldValues['课程号']);
    combobox1.Items.Add(search);     //注意！1！！！！！！！！！！！
    datamodule7.ADOQuery1.Next;
    end

end;

procedure TForm11.ComboBox1Change(Sender: TObject);
var
str:string;
begin
    str:=trim(combobox1.Text);
    datamodule7.ADOQuery1.Close;
    datamodule7.ADOQuery1.SQL.Clear;
    datamodule7.ADOQuery1.SQL.Add('select * from cc where 课程号='''+str+'''');
    datamodule7.ADOQuery1.Open;
end;

procedure TForm11.Button1Click(Sender: TObject);
begin
try
    datamodule7.ADOConnection1.BeginTrans;
    datamodule7.adoquery1.close;
    datamodule7.adoquery1.SQL.Clear;
    datamodule7.ADOQuery1.SQL.Add('insert into tc values(:教师号,:课程号)');
    datamodule7.ADOQuery1.Parameters.ParamByName('教师号').Value := form1.edit1.Text;
    datamodule7.ADOQuery1.Parameters.ParamByName('课程号').Value := combobox1.Text;
    //datamodule7.ADOQuery1.Parameters.ParamByName('系别').Value := combobox1.Text;
    //datamodule7.ADOQuery1.Parameters.ParamByName('专业').Value := combobox2.Text;
    //datamodule7.ADOQuery1.Parameters.ParamByName('课程类别').Value := combobox3.Text;
    //datamodule7.ADOQuery1.Parameters.ParamByName('教材').Value := combobox4.Text;
    //datamodule7.ADOQuery1.Parameters.ParamByName('学年').Value := combobox5.Text;
    showmessage('请确认输入信息！');
    datamodule7.adoquery1.Prepared;
    datamodule7.ADOQuery1.ExecSQL;
    showmessage('注册成功！') ;
    datamodule7.ADOConnection1.CommitTrans;
    except
    showmessage('注册失败！') ;
    datamodule7.ADOConnection1.RollbackTrans;
    end;
end;

end.