dan_jia_bu_chuan.pas

采购管理系统：delphi+sql实现了企业采购自动化作业流程

unit dan_jia_bu_chuan;

interface

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

type
  Tdan_jia_bu_chua = class(TForm)
    DBGrid1: TDBGrid;
    DBGrid2: TDBGrid;
    DBNavigator1: TDBNavigator;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    DataSource1: TDataSource;
    Query1: TQuery;
    Query2: TQuery;
    DataSource2: TDataSource;
    procedure SpeedButton2Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure DBGrid1CellClick(Column: TColumn);
    procedure Query1AfterScroll(DataSet: TDataSet);
    procedure SpeedButton1Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  dan_jia_bu_chua: Tdan_jia_bu_chua;

implementation

uses data_cai;

{$R *.dfm}

procedure Tdan_jia_bu_chua.SpeedButton2Click(Sender: TObject);
begin
close;
end;

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

procedure Tdan_jia_bu_chua.DBGrid1CellClick(Column: TColumn);
var xws:string;
begin
xws:=dbgrid1.Fields[0].AsString;
Query2.Active:=false;
Query2.SQL.Clear;
Query2.SQL.Add('select * from ding_gou_chong where (ding_gou_no=:mm) and (ding_dan_jia=:nn)');
Query2.ParamByName('mm').AsString:=xws;
Query2.ParamByName('nn').AsString:='0';
Query2.Prepare;
Query2.Active:=true;
end;

procedure Tdan_jia_bu_chua.Query1AfterScroll(DataSet: TDataSet);
var xws:string;
begin
xws:=dbgrid1.Fields[0].AsString;
Query2.Active:=false;
Query2.SQL.Clear;
Query2.SQL.Add('select * from ding_gou_chong where (ding_gou_no=:mm) and (ding_dan_jia=:nn)');
Query2.ParamByName('mm').AsString:=xws;
Query2.ParamByName('nn').AsString:='0';
Query2.Prepare;
Query2.Active:=true;
end;
procedure Tdan_jia_bu_chua.SpeedButton1Click(Sender: TObject);
var xws:string; ss:string;
begin
xws:=inputbox('叫块