dan_wei_change.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_wei_change;

interface

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

type
  Tdan_wei_chang = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    DBGrid1: TDBGrid;
    DBEdit1: TDBEdit;
    DBEdit2: TDBEdit;
    DBEdit3: TDBEdit;
    Table1: TTable;
    DataSource1: TDataSource;
    DBNavigator1: TDBNavigator;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    Label4: TLabel;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure DBEdit1KeyPress(Sender: TObject; var Key: Char);
    procedure DBEdit2KeyPress(Sender: TObject; var Key: Char);
    procedure SpeedButton1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure Table1AfterScroll(DataSet: TDataSet);
    procedure SpeedButton3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  dan_wei_chang: Tdan_wei_chang;

implementation

{$R *.dfm}

procedure Tdan_wei_chang.FormClose(Sender: TObject; var Action: TCloseAction);
begin
Table1.Close;
action:=cafree;
end;

procedure Tdan_wei_chang.DBEdit1KeyPress(Sender: TObject; var Key: Char);
begin
if key=chr(13) then
dbedit2.SetFocus;
end;

procedure Tdan_wei_chang.DBEdit2KeyPress(Sender: TObject; var Key: Char);
begin
if key=chr(13) then
DBNavigator1.SetFocus;
end;

procedure Tdan_wei_chang.SpeedButton1Click(Sender: TObject);
begin
table1.Last;
table1.Append;
table1.Edit;
table1.FieldByName('dan_wei_no').AsString:='';
table1.FieldByName('dan_wei_name').Asstring:='';
table1.FieldByName('made_ren').Asstring:=label4.Caption;

dbedit1.SetFocus;
dbedit1.SelectAll;
begin
dbedit1.ReadOnly:=false;
dbedit2.ReadOnly:=false;
dbedit3.ReadOnly:=false;

end;
end;

procedure Tdan_wei_chang.FormCreate(Sender: TObject);
begin
Table1.Open;
label4.Visible:=false;
end;

procedure Tdan_wei_chang.SpeedButton2Click(Sender: TObject);
begin
dbedit1.ReadOnly:=false;
dbedit2.ReadOnly:=false;
dbedit3.ReadOnly:=false;
dbedit1.SetFocus;
end;

procedure Tdan_wei_chang.Table1AfterScroll(DataSet: TDataSet);
begin
dbedit1.ReadOnly:=true;
dbedit2.ReadOnly:=true;
dbedit3.ReadOnly:=true;
end;

procedure Tdan_wei_chang.SpeedButton3Click(Sender: TObject);
begin
close;
end;

end.