unit htlx;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, Grids, DBGrids, StdCtrls, ExtCtrls, Buttons, ComCtrls,
  ToolWin;

type
  Thtlxfrm = class(TForm)
    CoolBar1: TCoolBar;
    ToolBar1: TToolBar;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    SpeedButton4: TSpeedButton;
    SpeedButton5: TSpeedButton;
    Panel1: TPanel;
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Edit1: TEdit;
    DBGrid1: TDBGrid;
    DataSource1: TDataSource;
    procedure FormShow(Sender: TObject);
    procedure DBGrid1CellClick(Column: TColumn);
    procedure SpeedButton1Click(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure SpeedButton4Click(Sender: TObject);
    procedure SpeedButton5Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    m:integer;
  end;
  const
  m=0;
var
  htlxfrm: Thtlxfrm;

implementation

{$R *.dfm}

uses dbdata;

procedure Thtlxfrm.FormShow(Sender: TObject);
begin
   with data.ADOQYhtlx do
   begin
      close;
      sql.Clear;
      sql.Add('select * from 合同類型表');
      open;
   end;
   data.ADOQYhtlx.Active:=true;
   if data.ADOQYhtlx.FieldByName('合同類型').Value=null then
      application.MessageBox('數據庫中沒有數據，請添加數據！','提示',64);
end;

procedure Thtlxfrm.DBGrid1CellClick(Column: TColumn);
begin
   If DBGrid1.DataSource.DataSet<> Nil then
    if DBGrid1.DataSource.DataSet.RecordCount>0 then
    edit1.Text:=data.ADOQYhtlx.FieldByName('合同類型').Value

end;

procedure Thtlxfrm.SpeedButton1Click(Sender: TObject);
begin
if trim(edit1.Text)<>'' then
begin
with data.ADOpublic do
begin
   close;
   sql.Clear;
   sql.Add('select * from 合同類型表 where 合同類型=:a');
   parameters.ParamByName('a').Value:=trim(edit1.Text);
   open;
end;
if data.ADOpublic.RecordCount>0 then
begin
   application.MessageBox('信息不能重復','提示',64);
   edit1.Clear;
   edit1.SetFocus;
end
else
begin
with data.ADOQYhtlx do
   begin
      edit;
      fieldbyname('合同類型').Value:=trim(edit1.Text);
      post
   end;
application.MessageBox('修改成功','提示',64);
edit1.Clear;
end;
end
else
application.MessageBox('信息不能為空','提示',64);
end;

procedure Thtlxfrm.SpeedButton2Click(Sender: TObject);
begin
with data.ADOQYhtgl do
   begin
      close;
      sql.Clear;
      sql.Add('select 合同類型 from 合同表 where 合同類型 = :a');
      parameters.ParamByName('a').Value:=trim(edit1.Text);
      open;
   end;
if data.ADOQYhtgl.RecordCount>0 then
   application.MessageBox('此信息已經使用，不能刪除！','警告',64)
else
if messagebox(self.Handle,'真的要刪除嗎？','提示',mb_yesno+mb_iconquestion)=idyes then
begin
data.ADOQYhtlx.Delete;
edit1.Clear;
end;
end;

procedure Thtlxfrm.SpeedButton3Click(Sender: TObject);
begin
if trim(edit1.Text)<>'' then
try
with data.ADOQYhtlx do
   begin
      close;
      sql.Clear;
      sql.Add('insert 合同類型表 values (:a)');
      parameters.ParamByName('a').Value:=trim(edit1.Text);
      execsql;
   end;
   edit1.Clear;
   self.OnShow(sender);
   application.MessageBox('添加成功','提示',64);
except
   application.MessageBox('系統出錯！','提示',64);
end
else
   application.MessageBox('請輸入合同類型','提示',64);
end;

procedure Thtlxfrm.SpeedButton4Click(Sender: TObject);
begin
edit1.Clear
end;

procedure Thtlxfrm.SpeedButton5Click(Sender: TObject);
begin
close;
end;

end.