aql.pas

品质管理系统：delphi+sql实现了制造企业在生产过程中对产品质量的控制

unit aql;

interface

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

type
  Taq = class(TForm)
    Label1: TLabel;
    DBComboBox1: TDBComboBox;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    DBEdit1: TDBEdit;
    DBComboBox3: TDBComboBox;
    DBNavigator1: TDBNavigator;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    SpeedButton2: TSpeedButton;
    BitBtn3: TBitBtn;
    DBGrid1: TDBGrid;
    Table1: TTable;
    DataSource1: TDataSource;
    SpeedButton3: TSpeedButton;
    DBEdit2: TDBEdit;
    BitBtn4: TBitBtn;
    Label5: TLabel;
    DBEdit3: TDBEdit;
    Query1: TQuery;
    Table2: TTable;
    DataSource2: TDataSource;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure BitBtn3Click(Sender: TObject);
    procedure Table1AfterScroll(DataSet: TDataSet);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure DBComboBox1KeyPress(Sender: TObject; var Key: Char);
    procedure DBComboBox3KeyPress(Sender: TObject; var Key: Char);
    procedure DBEdit1KeyPress(Sender: TObject; var Key: Char);
    procedure BitBtn4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  aq: Taq;

implementation

{$R *.dfm}

procedure Taq.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  action:=cafree;
  aq:=nil;
end;

procedure Taq.BitBtn3Click(Sender: TObject);
begin
  Close;
end;

procedure Taq.Table1AfterScroll(DataSet: TDataSet);
begin
 dbcombobox1.ReadOnly:=true;
 dbcombobox3.ReadOnly:=true;
 dbedit1.ReadOnly:=true;
end;

procedure Taq.BitBtn2Click(Sender: TObject);
begin
 dbcombobox1.ReadOnly:=false;
 dbcombobox3.ReadOnly:=false;
 dbedit1.ReadOnly:=false;
 bitbtn1.Enabled:=true;
 dbcombobox1.SetFocus;
end;

procedure Taq.BitBtn1Click(Sender: TObject);
begin
if dbcombobox1.Text='' then
begin
 showmessage('Μ砯计秖ぃ