ding_dan_re_ku_cha.~pas

采购管理系统：delphi+sql实现了企业采购自动化作业流程

unit ding_dan_re_ku_cha;

interface

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

type
  Tding_dan_re_ku_ch = class(TForm)
    DBGrid1: TDBGrid;
    DBNavigator1: TDBNavigator;
    SpeedButton1: TSpeedButton;
    DataSource1: TDataSource;
    Query1: TQuery;
    Query2: TQuery;
    DataSource2: TDataSource;
    DBGrid2: TDBGrid;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    procedure SpeedButton1Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure DBGrid1CellClick(Column: TColumn);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure DBGrid2CellClick(Column: TColumn);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  ding_dan_re_ku_ch: Tding_dan_re_ku_ch;

implementation

{$R *.dfm}

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

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

procedure Tding_dan_re_ku_ch.DBGrid1CellClick(Column: TColumn);
var xx:string;
begin
xx:=dbgrid1.Fields[1].AsString;
query2.Active:=false;
query2.SQL.Clear;
query2.SQL.Add('select * from re_chang_chong where jiao_yi_no=:gg');
query2.ParamByName('gg').AsString:=xx;
query2.Prepare;
query2.Active:=true;
end;

procedure Tding_dan_re_ku_ch.SpeedButton2Click(Sender: TObject);
var xx:string;
begin
query1.Active:=false;
query1.SQL.Clear;
query1.SQL.Add('select * from re_chang_zhu ');
query1.Prepare;
query1.Active:=true;
xx:=query1.FieldByName('jiao_yi_no').AsString;
query2.Active:=false;
query2.SQL.Clear;
query2.SQL.Add('select * from re_chang_chong where jiao_yi_no=:oo');
query2.ParamByName('oo').AsString:=xx;
query2.Prepare;
query2.Active:=true;
end;

procedure Tding_dan_re_ku_ch.SpeedButton3Click(Sender: TObject);
 var xx,xy:string;
begin
xx:=inputbox('叫块