unit541.~pas

本系统是SQL SERVER的管理系统

unit Unit541;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, TFlatEditUnit, VCLBase, EffBtns;

type
  TForm541 = class(TForm)
    epEfTrBtn1: TepEfTrBtn;
    epEfTrBtn2: TepEfTrBtn;
    FlatEdit1: TFlatEdit;
    Label1: TLabel;
    procedure FormShow(Sender: TObject);
    procedure epEfTrBtn2Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure epEfTrBtn1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form541: TForm541;

implementation

uses Unit54, cardata;

{$R *.DFM}

procedure TForm541.FormShow(Sender: TObject);
begin
flatedit1.text:='';
end;

procedure TForm541.epEfTrBtn2Click(Sender: TObject);
begin
form54.enabled:=true;
form541.Release;
end;

procedure TForm541.FormClose(Sender: TObject; var Action: TCloseAction);
begin
form541.enabled:=true;
form541.free;

end;

procedure TForm541.epEfTrBtn1Click(Sender: TObject);
var i1,i2:integer;
begin
i1:=2;
i2:=length(flatedit1.text);
 if flatedit1.text='' then
   begin
   showmessage('请输入用户类型');
   end
 else
   begin
     with data.usetypetable do
     begin
     first;
     while not eof  do
     begin
     if fieldbyname('usetype').asstring=flatedit1.text then
     begin
     i1:=1;
     end;
     next;
     end;
     end;
     if i1=1 then
       begin
      showmessage('已经有这种车型');
       end
     else
       begin
     if i2>20 then
       begin
       showmessage('输入的型号大于预定的长度');
       end
     else
        begin
    with data.usetypetable do
    begin
    insert;
    fieldbyname('usetype').asstring:=flatedit1.text;
    post;
    end;
    flatedit1.text:='';
    showmessage('保存完成，你可以再次输入！');
 end;
 end;
 end;
 end;

end.