chenjiluru.~pas

教务管理子系统的基本功能实现

unit chenjiluru;

interface

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

type
  Tchejiluru = class(TForm)
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    DBGrid1: TDBGrid;
    DBNavigator1: TDBNavigator;
    Button2: TButton;
    Edit1: TEdit;
    Edit2: TEdit;
    Panel1: TPanel;
    procedure Button2Click(Sender: TObject);
    procedure Edit1Enter(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  chejiluru: Tchejiluru;

implementation
uses   datamodal;

{$R *.dfm}

procedure Tchejiluru.Button2Click(Sender: TObject);
var
  str,kec,bj:string;
begin
kec:=trim(edit1.text);
bj:=trim(edit2.text);
str:='select studentno,studentname,'''+kec+''' from cjlr where (cjlr.grade='''+bj+''')';
DataModule1.cjlrQuery.Close;
DataModule1.cjlrQuery.SQL.Clear;
DataModule1.cjlrQuery.SQL.Add(str);
DataModule1.cjlrQuery.Open;



end;

procedure Tchejiluru.Edit1Enter(Sender: TObject);
begin
   if DataModule1.kechenTable.FindKey([trim(edit1.Text)])=true then
   //edit3.Text:=DataModule1.kechenTable.FieldValues
end;

end.