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();
}

转载于:https://www.cnblogs.com/sky_Great/archive/2010/12/03/1895653.html

来源：https://blog.csdn.net/weixin_30321709/article/details/99128135