Write Data in XML File Using C#

Sample XML File

[sourcecode language="xml"]
<?xml version="1.0" encoding="utf-8"?>

<DoctorInfo>

&nbsp;

<Doctor>

<id>01</id>

<name>Ranil Jayaweera</name>

<speciality>GI</speciality>

</Doctor>

&nbsp;

<Doctor>

<id>02</id>

<name>Aruna Gunathilaka</name>

<speciality>VP</speciality>

</Doctor>

&nbsp;

<Doctor>

<id>03</id>

<name>Jaya Palipana</name>

<speciality>VOG</speciality>

</Doctor>

&nbsp;

</DoctorInfo>
[/sourcecode]

The Code

[sourcecode language="csharp"]
XmlDocument xmlDoc = new XmlDocument();

xmlDoc.Load(Application.StartupPath + "\\DoctorsList.xml");

XmlElement subroot = xmlDoc.CreateElement("Doctor");

&nbsp;

XmlElement childElementId = xmlDoc.CreateElement("id");

XmlText xmlTextId = xmlDoc.CreateTextNode(txtid.Text);

childElementId.AppendChild(xmlTextId);

subroot.AppendChild(childElementId);

xmlDoc.DocumentElement.AppendChild(subroot);

&nbsp;

XmlElement childElementName = xmlDoc.CreateElement("name");

XmlText xmlTextName = xmlDoc.CreateTextNode(txtName.Text);

childElementName.AppendChild(xmlTextName);

subroot.AppendChild(childElementName);

xmlDoc.DocumentElement.AppendChild(subroot);

&nbsp;

XmlElement childElementSpeciality = xmlDoc.CreateElement("speciality");

XmlText xmlTextSpeciality = xmlDoc.CreateTextNode(cbspecial.Text);

childElementSpeciality.AppendChild(xmlTextSpeciality);

subroot.AppendChild(childElementSpeciality);

xmlDoc.DocumentElement.AppendChild(subroot);

&nbsp;

xmlDoc.Save(Application.StartupPath + "\\DoctorsList.xml");
[/sourcecode]