unit bdlxunit;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Mask, ExtCtrls;

type
  Tbdlx = class(TForm)
    Panel1: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Edit5: TEdit;
    Edit6: TEdit;
    MaskEdit1: TMaskEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Edit1Exit(Sender: TObject);
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  bdlx: Tbdlx;

implementation

uses datadomule;

{$R *.dfm}

procedure Tbdlx.Button1Click(Sender: TObject);
begin

if (edit1.text='') or (edit6.text='') then
begin
application.MessageBox('請輸入完整信息!','提示',mb_ok+mb_iconinformation);
exit;
end;

with datamodule1.qry_xsbd do
begin
close;    //在變動(dòng)表里添加信息
sql.clear;
sql.add('select * from xsbd');
open;
edit;
append;
fields[0].asstring:=edit1.text;
fields[1].asstring:=edit2.text;
fields[2].asstring:=edit3.text;
fields[3].asstring:=edit4.text;
fields[4].asstring:=edit5.text;
fields[8].asstring:=maskedit1.text;
fields[9].asstring:=edit6.text;
post;

close;        //在學(xué)生名冊里刪除該學(xué)生
sql.Clear ;
sql.Add('delete from xsmc where xsxh_id=:id');
parambyname('id').asstring:=edit1.text;
execsql;


close;
sql.Clear ;
sql.Add('select * from zyb0 where zyh0=:id');
parambyname('id').asstring:=edit4.text;
execsql;
open;
edit;

fields[16].AsInteger:=fields[16].AsInteger+1;  //留學(xué)人數(shù)+1

fields[10].AsInteger:=fields[10].AsInteger-1;; //專業(yè)人數(shù)-1
post;

close;
sql.Clear ;
sql.Add('select * from bjb0 where bjh0=:id');
parambyname('id').asstring:=edit5.text;
execsql;
open;
edit;
fields[3].AsInteger:=fields[3].AsInteger-1;
post;
end;
application.MessageBox('操作已完成！','提示',mb_ok+mb_iconinformation);
end;

procedure Tbdlx.Edit1Exit(Sender: TObject);
begin
with datamodule1.qry_xsbd do
begin
close;
sql.Clear ;
sql.Add('select * from xsmc where xsxh_id=:id');
parambyname('id').asstring:=edit1.text;
open;
edit2.text:=fields[5].AsString;
edit3.text:=fields[1].AsString;
edit4.text:=fields[2].AsString;
edit5.text:=fields[3].AsString;
end;

end;

procedure Tbdlx.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if key=#13 then
selectnext (activecontrol,true,true);
end;

end.