newcard.pas

一个基本的数据库开发示例

unit Newcard;

interface

uses
  SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
  Forms, Dialogs, StdCtrls, Mask, DBCtrls, Buttons;

type
  TNewCardForm = class(TForm)
    NameLabel: TLabel;
    NameDBEdit: TDBEdit;
    DepartmentLabel: TLabel;
    DepartmentDBEdit: TDBEdit;
    DegreeLabel: TLabel;
    DegreeDBEdit: TDBEdit;
    CompanyLabel: TLabel;
    CompanyDBEdit: TDBEdit;
    OfficeTelLabel: TLabel;
    OfficeTelDBEdit: TDBEdit;
    HomeTelLabel: TLabel;
    HomeTelDBEdit: TDBEdit;
    BPLabel: TLabel;
    BPDBEdit: TDBEdit;
    PostCodeLabel: TLabel;
    PostCodeDBEdit: TDBEdit;
    AddressLabel: TLabel;
    AddressDBEdit: TDBEdit;
    ContinueBitBtn: TBitBtn;
    ReturnBitBtn: TBitBtn;
    procedure ContinueBitBtnClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  NewCardForm: TNewCardForm;

implementation

{$R *.DFM}
uses
    Card;

procedure TNewCardForm.ContinueBitBtnClick(Sender: TObject);
begin
     CardForm.CardDataSource.DataSet.Append;
     CardForm.Save.Enabled := True;
     CardForm.SaveAs.Enabled := True;
     CardForm.Print.Enabled := True;
     CardForm.Delete.Enabled := True;
     CardForm.Find.Enabled := True;

     CardForm.SpeedBtnSave.Enabled := True;
     CardForm.SpeedBtnPrint.Enabled := True;
     CardForm.SpeedBtnDelete.Enabled := True;
     CardForm.SpeedBtnFind.Enabled := True;
end;

procedure TNewCardForm.FormCreate(Sender: TObject);
var
   I : Integer;
begin
  for I := 0 to ComponentCount - 1 do
     if Components[I] is TDBEdit then
        TDBEdit(Components[I]).DataSource := CardForm.CardDataSource;
  NameDBEdit.DataField := 'Name';
  DepartmentDBEdit.DataField := 'Department';
  DegreeDBEdit.DataField := 'Degree';
  CompanyDBEdit.DataField := 'Company';
  OfficeTelDBEdit.DataField := 'OfficeTel';
  HomeTelDBEdit.DataField := 'HomeTel';
  BPDBEdit.DataField := 'BP';
  PostCodeDBEdit.DataField := 'PostCode';
  AddressDBEdit.DataField := 'Address';
end;

procedure TNewCardForm.FormShow(Sender: TObject);
begin
     if (CardForm.CardDataSource.DataSet = CardForm.CardTable) and (NewOldCard = 'New') then
        CardForm.CardDataSource.DataSet.Append;
     if (CardForm.CardDataSource.DataSet = CardForm.CardTable) and (NewOldCard = 'Old') then
        begin
          NewCardForm.Caption := '修改旧名片';
          ContinueBitBtn.Visible := False;
          ReturnBitBtn.Left := 180;
        end;
end;

end.