qing_pi_liu.pas

采购管理系统：delphi+sql实现了企业采购自动化作业流程

unit qing_pi_liu;

interface

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

type
  Tqing_pi_li = class(TForm)
    DBGrid1: TDBGrid;
    DBGrid2: TDBGrid;
    DBNavigator1: TDBNavigator;
    SpeedButton1: TSpeedButton;
    Query1: TQuery;
    Query2: TQuery;
    DataSource1: TDataSource;
    DataSource2: TDataSource;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    procedure SpeedButton1Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure DBGrid1DblClick(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure DBGrid2CellClick(Column: TColumn);
    procedure SpeedButton3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  qing_pi_li: Tqing_pi_li;

implementation
uses dan_ku_chen;
{$R *.dfm}

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

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

procedure Tqing_pi_li.DBGrid1DblClick(Sender: TObject);
var xx:string;
begin
dan_ku_che:=Tdan_ku_che.Create(self);
xx:=DBGrid1.SelectedField.AsString;
dan_ku_che.Query1.Active:=false;
dan_ku_che.Query1.SQL.Clear;
dan_ku_che.Query1.SQL.Add('select * from t_material where fmno=:kk');
dan_ku_che.Query1.ParamByName('kk').AsString:=xx;
dan_ku_che.Query1.Prepare;
dan_ku_che.Query1.Active:=true;
dan_ku_che.Show;

end;

procedure Tqing_pi_li.SpeedButton2Click(Sender: TObject);
var xx:string;
begin
query1.Active:=false;
query1.SQL.Clear;
query1.SQL.Add('select * from qing_gou_wei_zhu order by qing_gou_computerno');
query1.Prepare;
query1.Active:=true;
xx:=query1.FieldByName('qing_gou_no').AsString;
query2.Active:=false;
query2.SQL.Clear;
query2.SQL.Add('select * from qing_gou_wei_chong where qing_gou_no=:ll');
query2.ParamByName('ll').AsString:=xx;
query2.Prepare;
query2.Active:=true;
end;

procedure Tqing_pi_li.DBGrid2CellClick(Column: TColumn);
var xx:string;
begin
xx:=DBGrid2.Fields[1].AsString;
query2.Active:=false;
query2.SQL.Clear;
query2.SQL.Add('select * from qing_gou_wei_chong where qing_gou_no=:ll');
query2.ParamByName('ll').AsString:=xx;
query2.Prepare;
query2.Active:=true;
end;

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