用Visual C＃中轻松浏览数据库记录

em.Drawing.Size(40, 24) ;
  previousrec.TabIndex = 6 ;
  previousrec.Font = new System.Drawing.Font ( "仿宋" , 8f ) ;
  previousrec.Text = "上一条" ;
  previousrec.Click += new System.EventHandler ( GoPrevious ) ;
  nextrec.Location = new System.Drawing.Point ( 195 , 312 );
  nextrec.ForeColor = System.Drawing.Color.Black ;
  nextrec.Size = new System.Drawing.Size ( 40 , 24 ) ;
  nextrec.TabIndex = 7 ;
  nextrec.Font = new System.Drawing.Font ( "仿宋" , 8f ) ;
  nextrec.Text = "下一条" ;
  nextrec.Click += new System.EventHandler ( GoNext );
  
  lastrec.Location = new System.Drawing.Point ( 265 , 312 ) ;
  lastrec.ForeColor = System.Drawing.Color.Black ;
  lastrec.Size = new System.Drawing.Size ( 40 , 24 ) ;
  lastrec.TabIndex = 8 ;
  lastrec.Font = new System.Drawing.Font ( "仿宋" , 8f ) ;
  lastrec.Text = "尾记录" ;
  lastrec.Click += new System.EventHandler ( GoLast ) ;
  //以下是对为显示数据记录而设定的标签和文本框进行初始化，并把记录绑定在不同的绑定到文本框"Text"属性上
  t_bookid.Location = new System.Drawing.Point ( 184 , 56 ) ;
  t_bookid.TabIndex = 9 ;
  t_bookid.Size = new System.Drawing.Size ( 80 , 20 ) ;
  t_bookid.DataBindings.Add ( "Text" , myDataSet , "books.bookid" ) ;
  
  t_books.Location = new System.Drawing.Point ( 184 , 264 ) ;
  t_books.TabIndex = 10 ;
  t_books.Size = new System.Drawing.Size ( 80 , 20 ) ;
  t_books.DataBindings.Add ( "Text" , myDataSet , "books.bookstock" ) ;
  
  t_booktitle.Location = new System.Drawing.Point ( 184 , 108 ) ;
  t_booktitle.TabIndex = 11 ;
  t_booktitle.Size = new System.Drawing.Size ( 176 , 20 ) ;
  t_booktitle.DataBindings.Add( "Text" , myDataSet , "books.booktitle" ) ;
  
  t_bookprice.Location = new System.Drawing.Point ( 184 , 212 ) ;
  t_bookprice.TabIndex = 12 ;
  t_bookprice.Size = new System.Drawing.Size ( 80 , 20 ) ;
  t_bookprice.DataBindings.Add ( "Text" , myDataSet , "books.bookprice" ) ;
  
  t_bookauthor.Location = new System.Drawing.Point ( 184 , 160 ) ;
  t_bookauthor.TabIndex = 18 ;
  t_bookauthor.Size = new System.Drawing.Size ( 128 , 20 ) ;
  t_bookauthor.DataBindings.Add ( "Text" , myDataSet , "books.bookauthor" ) ;
  l_bookid.Location = new System.Drawing.Point ( 24 , 56 ) ;
  l_bookid.Text = "书本序号：" ;
  l_bookid.Size = new System.Drawing.Size ( 112, 20 ) ;
  l_bookid.Font = new System.Drawing.Font ( "仿宋" , 10f ) ;
  l_bookid.TabIndex = 13 ;
  l_bookid.TextAlign = System.Drawing.ContentAlignment.MiddleCenter ;
  l_booktitle.Location = new System.Drawing.Point ( 24 , 108 ) ;
  l_booktitle.Text = "书 名：";
  l_booktitle.Size = new System.Drawing.Size ( 112 , 20 ) ;
  l_booktitle.Font = new System.Drawing.Font ( "仿宋" , 10f ) ;
  l_booktitle.TabIndex = 14 ;
  l_booktitle.TextAlign = System.Drawing.ContentAlignment.MiddleCenter ;
  
  l_bookprice.Location = new System.Drawing.Point ( 24 , 212 ) ;
  l_bookprice.Text = "价 格：" ;
  l_bookprice.Size = new System.Drawing.Size ( 112 , 20 ) ;
  l_bookprice.Font = new System.Drawing.Font ( "仿宋" , 10f ) ;
  l_bookprice.TabIndex = 15 ;
  l_bookprice.TextAlign = System.Drawing.ContentAlignment.MiddleCenter ;
  
  l_books.Location = new System.Drawing.Point ( 24 , 264 ) ;
  l_books.Text = "书 架 号：" ;
  l_books.Size = new System.Drawing.Size ( 112 , 20 ) ;
  l_books.Font = new System.Drawing.Font ( "仿宋" , 10f ) ;
  l_books.TabIndex = 16 ;
  l_books.TextAlign = System.Drawing.ContentAlignment.MiddleCenter ;
  
  l_bookauthor.Location = new System.Drawing.Point ( 24 , 160 ) ;
  l_bookauthor.Text = "作 者：" ;
  l_bookauthor.Size = new System.Drawing.Size ( 112 , 20 ) ;
  l_bookauthor.Font = new System.Drawing.Font ( "仿宋" , 10f ) ;
  l_bookauthor.TabIndex = 17 ;
  l_bookauthor.TextAlign = System.Drawing.ContentAlignment.MiddleCenter ;
  
  label1.Location = new System.Drawing.Point ( 49 , 8 ) ;
  label1.Text = "浏览书籍信息" ;
  label1.Size = new System.Drawing.Size ( 296 , 24 ) ;
  label1.ForeColor = System.Drawing.Color.Green ;
  label1.Font = new System.Drawing.Font ( "仿宋" , 15f ) ;
  label1.TabIndex = 19 ;
  //对窗体进行设定
  this.Text = "用C#做浏览数据库中记录的程序！";
  this.AutoScaleBaseSize = new System.Drawing.Size ( 5 , 13 ) ;
  this.FormBorderStyle = FormBorderStyle.FixedSingle ;
  this.ClientSize = new System.Drawing.Size ( 394 , 375 ) ;
  //在窗体中加入组件
  this.Controls.Add ( lastrec ) ;
  this.Controls.Add ( nextrec ) ;
  this.Controls.Add ( previousrec ) ;
  this.Controls.Add ( firstrec ) ;
  this.Controls.Add ( t_books ) ;
  this.Controls.Add ( t_bookprice ) ;
  this.Controls.Add ( t_bookauthor ) ;
  this.Controls.Add ( t_booktitle ) ;
  this.Controls.Add ( t_bookid ) ;
  this.Controls.Add ( l_books ) ;
  this.Controls.Add ( l_bookprice ) ;
  this.Controls.Add ( l_bookauthor ) ;
  this.Controls.Add ( l_booktitle ) ;
  this.Controls.Add ( l_bookid ) ;
  this.Controls.Add ( label1 ) ;
  //把对象DataSet和"books"数据表绑定到此myBind对象
  myBind= this.BindingContext [ myDataSet , "books" ] ;
  }
  //按钮"尾记录"对象事件程序
  protected void GoLast ( object sender , System.EventArgs e )
  {
  myBind.Position = myBind.Count - 1 ;
  }
  
  //按钮"下一条"对象事件程序
  protected void GoNext ( object sender , System.EventArgs e )
  {
  if ( myBind.Position == myBind.Count -1 )
  MessageBox.Show ( "已经到了最后