price.pas

不完备信息的数据发现

unit price;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, DB, ADODB, Buttons, Mask, DBCtrls;

type
  Tpricef = class(TForm)
    Label1: TLabel;
    Q_price: TADOQuery;
    DS_price: TDataSource;
    DBEdit_high: TDBEdit;
    DBEdit_low: TDBEdit;
    Button1: TButton;
    procedure FormShow(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  pricef: Tpricef;

implementation

{$R *.dfm}
uses dm,main_page;

procedure Tpricef.FormShow(Sender: TObject);
begin
  Q_price.Close;
  Q_price.SQL.Text:='select * FROM '+DatabaseName+'priceset' ;
  Q_price.Open;
  if Q_price.IsEmpty then
  Q_price.Insert
  else Q_price.Edit;

end;


procedure Tpricef.Button1Click(Sender: TObject);
begin
  Q_price.CheckBrowseMode;
  Q_price.ExecSQL;
end;

end.