📄 ufloor.~pas
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unit ufloor;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, Grids, DBGridEh, StdCtrls, Buttons;
type
TForm3 = class(TForm)
GroupBox1: TGroupBox;
DBGridEh1: TDBGridEh;
Label1: TLabel;
Edit1: TEdit;
BitBtn1: TBitBtn;
BitBtn2: TBitBtn;
procedure BitBtn1Click(Sender: TObject);
procedure BitBtn2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form3: TForm3;
implementation
uses maindata;
{$R *.dfm}
procedure TForm3.BitBtn1Click(Sender: TObject);
begin
with datamodule1.insertfloor do
begin
sql.clear;
sql.add('select * from floor where floorname=:mf');
parambyname('mf').AsString:=edit1.Text;
open;
end;
if datamodule1.insertfloor.RecordCount>0 then
begin
application.MessageBox('资料已经存在','提示',mb_ok);
abort;
end else
begin
with datamodule1.insertfloor do
begin
sql.clear;
sql.add('insert into floor(floorname) values(:mf)');
parambyname('mf').AsString:=edit1.Text;
execsql;
end;
with datamodule1.insertfloor do
begin
sql.clear;
sql.add('select * from floor');
open;
end;
with datamodule1.floorQ do
begin
sql.clear;
sql.add('select * from floor ');
open;
end;
application.MessageBox('增加成功!','提示',mb_ok);
end;
end;
procedure TForm3.BitBtn2Click(Sender: TObject);
begin
with datamodule1.insertfloor do
begin
sql.clear;
sql.add('delete from floor where floorname=:mf');
parambyname('mf').AsString:=datamodule1.floorQ.fieldbyname('floorname').AsString;
execsql;
end;
with datamodule1.floorQ do
begin
sql.clear;
sql.add('select * from floor ');
open;
end;
end;
end.
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