How to Edit Xml file in C#.Net

December 09, 2012

First Make Form Like

Node write code for both button "open " and "save"

/////////////////////////// CODE   ////////////////////////////////

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Xml;
using System.Windows.Forms;

namespace Xml_File_Operation
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        XmlDocument xdoc1;
        string path;

        private void btnopen_Click(object sender, EventArgs e)
        {

            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "XML |*.xml";
            if (ofd.ShowDialog() == DialogResult.OK)
            {

                path = ofd.FileName;
                xdoc1 = new XmlDocument();
                xdoc1.Load(path);
                textBox2.Text = path;
                textBox1.Text = xdoc1.SelectSingleNode("people/person/name").InnerText;

                numericUpDown1.Value = Convert.ToInt32(xdoc1.SelectSingleNode("people/person/age").InnerText);

                textBox3.Text = xdoc1.SelectSingleNode("people/person/email").InnerText;

            }

        }

        private void btnsave_Click(object sender, EventArgs e)
        {

            xdoc1.SelectSingleNode("people/person/name").InnerText = textBox1.Text;
            xdoc1.SelectSingleNode("people/person/age").InnerText = numericUpDown1.Value.ToString();
            xdoc1.SelectSingleNode("people/person/email").InnerText = textBox3.Text;
            xdoc1.Save(path);

        }
   }
}

///////////////////////////////////////////////////////////////////////////////////////////////////

- click on open button.
- selext xml file to open.
- edite it whith texbox anmd other conntrol.
- Click on save button.

///////////////////////   OUTPUT   //////////////////////

Now you can show that your file hhow is converted............