Update XML Node value using C#

Update the XML document by passing the value to it, updating the specific node of the XML document and replacing the existing value. Here I am updating the date node in the XML document that will be updated while I have entered the text and click the button

update XML using C#

XML format : XMLFile1.xml

<All_batches>

  <Date>10-jan-2016</Date>

</All_batches>

C#

using System;

using System.Web;

using System.Xml;

namespace XMLINS

{

    public partial class WebForm1 : System.Web.UI.Page

    {

        protected void Button1_Click(object sender, EventArgs e)

        {

            XmlDocument doc = new XmlDocument();

            doc.Load("D:/WEBROOT/XMLINS/XMLINS/XMLFile1.xml");

            XmlNodeList aDateNodes = doc.SelectNodes("/All_batches/Date");

            foreach (XmlNode aDateNode in aDateNodes)

            {

                XmlAttribute DateAttribute = aDateNode.Attributes["Date"];

                aDateNode.InnerText = TextBox1.Text;

            }

            doc.Save("D:/WEBROOT/XMLINS/XMLINS/XMLFile1.xml");

            Label1.Text = "XML updated Successfully";

        }

    }

}