p_xueke.pas

图书出版行业 对于图书样稿/清样/样书/成书的质检环节控制

unit p_xueke;

interface

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

type
  Tf_xueke = class(TForm)
    ToolBar1: TToolBar;
    Panel1: TPanel;
    Panel2: TPanel;
    Panel3: TPanel;
    DBGrid1: TDBGrid;
    Query_xueke: TADOQuery;
    DataSource1: TDataSource;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    SpeedButton4: TSpeedButton;
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Edit2: TEdit;

    procedure SpeedButton1Click(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure SpeedButton4Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure DBGrid1CellClick(Column: TColumn);

  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  f_xueke: Tf_xueke;

implementation

uses p_main;

{$R *.dfm}



procedure Tf_xueke.SpeedButton1Click(Sender: TObject);
begin
if edit1.Text='' then
application.MessageBox('请输入学科名称','提示',64)
else
if edit2.Text='' then
   application.MessageBox('请输入排序号','提示',64)
else
begin
with query_xueke do
   begin
      close;
      sql.Clear;
      sql.Add('select * from 学科表 where 学科=:a');
      parameters.ParamByName('a').Value:=trim(edit1.Text);
      open;
   end;
if query_xueke.RecordCount>0 then
   begin
   application.MessageBox('学科已经存在！','提示',64);
   edit1.Clear;
   edit2.Clear;
   edit1.SetFocus;
   end
else
try
with query_xueke do
begin
   close;
   sql.Clear;
   sql.Add('insert into 学科表 (学科,排序) values (:a,:b)');
   parameters.ParamByName('a').Value:=trim(edit1.Text);
   parameters.ParamByName('b').Value:=trim(edit2.Text);
   execsql;
end;
self.OnShow(sender);
application.MessageBox('添加成功','提示',64);
edit1.Clear;
edit2.Clear;
except
   application.MessageBox('添加失败','提示',64);
end;
end;



end;

procedure Tf_xueke.SpeedButton2Click(Sender: TObject);
begin
  with query_xueke do
   begin
   edit;
   FieldByName ('学科').Value:=trim(edit1.Text);
   fieldbyname ('排序').Value:=trim(edit2.Text);
   post;
   end;
   application.MessageBox('修改成功','提示',64);
   edit1.Clear;
   edit2.Clear;
end;

procedure Tf_xueke.SpeedButton3Click(Sender: TObject);
begin
if messagebox(self.Handle,'确定要删除吗？','提示',mb_yesno+mb_iconquestion)=idyes then
query_xueke.Delete;
edit1.Clear;
edit2.Clear;
end;

procedure Tf_xueke.SpeedButton4Click(Sender: TObject);
begin
 close;
end;

procedure Tf_xueke.FormShow(Sender: TObject);
begin
  with query_xueke do
    begin
    close;
    sql.clear;
    sql.add('select * from 学科表 order by 排序 asc');
    open;
    end;
end;

procedure Tf_xueke.DBGrid1CellClick(Column: TColumn);
begin
If DBGrid1.DataSource.DataSet<> Nil then
    if DBGrid1.DataSource.DataSet.RecordCount>0 then
      edit1.Text:=query_xueke.FieldByName('学科').Value;
      edit2.Text:=query_xueke.FieldByName('排序').Value;
end;

end.