How to serialize/ deserialize xml to/from string

[Sudip_inn]

I have stored xml in string variable. i could write a program which can load xml from string and deserialize to class but i need to know how could i serialize my class to xml and store the xml into string variable. please add some code in my program to show how could i serialize my class to xml and store the xml into string variable.

here is my program

using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Xml.Serialization;
using System.Xml;
using System.IO;

namespace List2XML
{
public partial class Form1 : Form
{
string _xml = @"<?xml version=""1.0"" ?>
<CustomerQueryRs>
<CustomerRet>
<ListID>9999999bbbb</ListID>
<Name>Zlaine Bailey</Name>
<FullName>Zlaine Bailey</FullName>
<Phone>33333333</Phone>
</CustomerRet>
<CustomerRet>
<ListID>9AAAAAA</ListID>
<Name>+ Brian Boyd</Name>
<FullName>Brian Boyd</FullName>
<Phone>6666666666</Phone>
</CustomerRet>
<CustomerRet>
<ListID>92MMMMMMMMMMM</ListID>
<Name>Moni Leahy</Name>
<FullName>Moni Leahy</FullName>
<Phone>1111111111111</Phone>
</CustomerRet>
</CustomerQueryRs>";


public Form1()
{
InitializeComponent();
}

private void btnSerialize_Click(object sender, EventArgs e)
{

}

private void btnDeserialize_Click(object sender, EventArgs e)
{
//XmlDocument doc = new XmlDocument();
//doc.LoadXml(_xml);
var CustomerList = DeserialzeXml(_xml);
//dataGridView1.DataSource = CustomerList;
}

private object DeserialzeXml(string xml)
{

XmlDocument doc = new XmlDocument();
doc.LoadXml(xml);
XmlSerializer xs = new XmlSerializer(typeof(CustomerList));
CustomerList cl = (CustomerList)xs.Deserialize(new StringReader(doc.OuterXml));
return cl.Customers;
}
}


[XmlRoot("CustomerQueryRs")]
public class CustomerList
{

[XmlElement("CustomerRet")]
public List<Customer> Customers
{
get { return customers; }
set { customers = value; }
}

private List<Customer> customers = null;

public CustomerList()
{
customers = new List<Customer>();
}
}

public class Customer
{
[XmlElement(ElementName = "ListID")]
public string ListID { get; set; }

[XmlElement(ElementName = "Name")]
public string Name { get; set; }

[XmlElement(ElementName = "FullName")]
public string FullName { get; set; }

[XmlElement(ElementName = "Phone")]
public string Phone { get; set; }
}
}

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