序列化

  
    

   
      
   
     private
   
      
   
     void
   
      btnSe_Click(
   
     object
   
      sender, EventArgs e)
 {
 computer com1
   
     =
   
     new
   
      computer{ Color
   
     =
   
     "
   
     black
   
     "
   
     ,price
   
     =
   
     "
   
     4000
   
     "
   
      };
 FileStream fs 
   
     =
   
      
   
     new
   
      FileStream(
   
     @"
   
     D:\hhh.txt
   
     "
   
     , FileMode.Append);
 BinaryFormatter bf 
   
     =
   
      
   
     new
   
      BinaryFormatter();
 bf.Serialize(fs, com1);
 fs.Flush();
 fs.Close();
 }

 
   
     private
   
      
   
     void
   
      btnDe_Click(
   
     object
   
      sender, EventArgs e)
 {
 FileStream fs 
   
     =
   
      
   
     new
   
      FileStream(
   
     @"
   
     D:\hhh.txt
   
     "
   
     ,FileMode.Open);
 BinaryFormatter bf 
   
     =
   
      
   
     new
   
      BinaryFormatter();
 
 computer com 
   
     =
   
      (computer)bf.Deserialize(fs);
 MessageBox.Show(com.Color
   
     +
   
     "
   
      
   
     "
   
     +
   
     com.price);
 }

 
   
     private
   
      
   
     void
   
      Form1_Load(
   
     object
   
      sender, EventArgs e)
 {
 SqlConnection con 
   
     =
   
      
   
     new
   
      SqlConnection(
   
     "
   
     server=.;database=pubs;uid=sa;pwd=
   
     "
   
     );
 SqlCommand cmd 
   
     =
   
      
   
     new
   
      SqlCommand(
   
     "
   
     select * from employee
   
     "
   
     , con);

 SqlDataAdapter sda 
   
     =
   
      
   
     new
   
      SqlDataAdapter(cmd);
 DataSet ds 
   
     =
   
      
   
     new
   
      DataSet();
 
 
 }

 
   
     private
   
      
   
     void
   
      btnXML_Click(
   
     object
   
      sender, EventArgs e)
 {
 computer com1 
   
     =
   
      
   
     new
   
      computer { price 
   
     =
   
      
   
     "
   
     4000
   
     "
   
     , Color 
   
     =
   
      
   
     "
   
     blue
   
     "
   
      };
 computer com2 
   
     =
   
      
   
     new
   
      computer { price 
   
     =
   
      
   
     "
   
     3000
   
     "
   
     , Color 
   
     =
   
      
   
     "
   
     red
   
     "
   
      };
 computer[] co 
   
     =
   
      { com1, com2 };
 XmlSerializer xs 
   
     =
   
      
   
     new
   
      XmlSerializer(
   
     typeof
   
     (computer[]));
 FileStream fs 
   
     =
   
      
   
     new
   
      FileStream(
   
     @"
   
     D:\xml.xml
   
     "
   
     , FileMode.CreateNew);

 xs.Serialize(fs, co);
 
 fs.Flush();
 fs.Close();
 }

 
   
     private
   
      
   
     void
   
      btnDeXML_Click(
   
     object
   
      sender, EventArgs e)
 {
 XmlSerializer xs 
   
     =
   
      
   
     new
   
      XmlSerializer(
   
     typeof
   
     (computer[]));
 FileStream fs 
   
     =
   
      
   
     new
   
      FileStream(
   
     @"
   
     D:\xml.xml
   
     "
   
     , FileMode.Open);

 computer[]c
   
     =
   
     (computer[])xs.Deserialize(fs);
 MessageBox.Show(c.Length.ToString());

 fs.Flush();
 fs.Close();
 }