cai_wei_dao.pas

采购管理系统：delphi+sql实现了企业采购自动化作业流程

unit cai_wei_dao;

interface

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

type
  Tcai_wei_da = class(TForm)
    DBGrid1: TDBGrid;
    Query1: TQuery;
    DataSource1: TDataSource;
    DBNavigator1: TDBNavigator;
    SpeedButton1: TSpeedButton;
    Label1: TLabel;
    Label2: TLabel;
    DataSource2: TDataSource;
    Query2: TQuery;
    DBGrid2: TDBGrid;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure SpeedButton1Click(Sender: TObject);
    procedure DBGrid1CellClick(Column: TColumn);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  cai_wei_da: Tcai_wei_da;

implementation

{$R *.dfm}

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

procedure Tcai_wei_da.SpeedButton1Click(Sender: TObject);
begin
close;
end;

procedure Tcai_wei_da.DBGrid1CellClick(Column: TColumn);
var xws:string;
begin
xws:=dbgrid1.Fields[1].AsString;
query2.Active:=false;
query2.SQL.Clear;
query2.SQL.Add('select * from ding_gou_chong where ding_gou_no=:qq');
query2.ParamByName('qq').AsString:=xws;
query2.Prepare;
query2.Active:=true;
end;

end.