Tuesday, July 22, 2014

How to update xml in C#

EXample1:

<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Students>
  <Student>
    <Name>Jitesh</Name>
    <Email>jitesh@asphelps.com</Email>
    <City>Buxar</City>
  </Student>
</Students>
        XDocument document = XDocument.Load(@"D:\Student.xml");

        XElement element = document.Descendants("Student")
                                   .Where(i => i.Element("Name").Value == "Jitesh").Single();
        element.SetElementValue("Name", "Jitesh kumar");
        element.SetElementValue("Email", "Jiteshkumar@asphelps.com");
        element.SetElementValue("City", "Buxar, Dumraon");
        document.Save(@"D:\Student.xml");
Output:
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Students>
  <Student>
    <Name>Jitesh kumar</Name>
    <Email>Jiteshkumar@asphelps.com</Email>
    <City>Buxar, Dumraon</City>
  </Student>
</Students>
Example 2
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Students>
  <Student Id="1">
    <Name>Jitesh</Name>
    <Email>jitesh@asphelps.com</Email>
    <City>Buxar</City>
  </Student>
</Students>
        XDocument document = XDocument.Load(@"D:\Student1.xml");

        XElement element = document.Descendants("Student")
                                                                                   .Where(i => i.Attribute("Id").Value == "1").Single();
        element.SetElementValue("Name", "Jitesh Byahut");
        element.SetElementValue("Email", "jiteshbyahut@asphelps.com");
        element.SetElementValue("City", "Dumraon, Buxar");
        document.Save(@"D:\Student1.xml");
Output:
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Students>
  <Student Id="1">
    <Name>Jitesh Byahut</Name>
    <Email>jiteshbyahut@asphelps.com</Email>
    <City>Dumraon, Buxar</City>
  </Student>
</Students>
Example 3
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Students>
  <Student Id="1" Name="Jitesh" Email="jitesh@asphelps.com" City="Buxar" />
</Students>
        XDocument document = XDocument.Load(@"D:\Student2.xml");

        XElement element = document.Descendants("Student")
                                                                                 .Where(i => i.Attribute("Id").Value == "1").Single();
        element.SetAttributeValue("Name", "Jitesh Byahut");
        element.SetAttributeValue("Email", "jiteshbyahut@asphelps.com");
        element.SetAttributeValue("City", "Dumraon, Buxar");
        document.Save(@"D:\Student2.xml");
Output:
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Students>
  <Student Id="1" Name="Jitesh Byahut" Email="jiteshbyahut@asphelps.com" City="Dumraon, Buxar" />
</Students>
Example 4
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Students>
  <Student>
    <Name>Jitesh</Name>
    <Email>jitesh@asphelps.com</Email>
    <City>Buxar</City>
  </Student>
  <Education>
    <Degree>B.Tech</Degree>
    <Branch>ECE</Branch>
    <University>RTU</University>
  </Education>
  <Contact>
    <Mobile>8431214496</Mobile>
    <Email>jitesh123.2008@gmail.com</Email>
  </Contact>
</Students>
        XDocument document2 = XDocument.Load(@"D:\Student3.xml");

        XElement student = document2.Descendants("Student").Single();
        student.SetElementValue("Name", "Jitesh Byahut");
        student.SetElementValue("Email", "jiteshbyahut@asphelps.com");
        student.SetElementValue("City", "Dumraon, Buxar");

        XElement education = document2.Descendants("Education").Single();
        education.SetElementValue("Degree", "Graduation");
        education.SetElementValue("Branch", "Electronics & Communication");
        education.SetElementValue("University", "Rajasthan Technical University");

        XElement contact = document2.Descendants("Contact").Single();
        contact.SetElementValue("Mobile", "8560839802");
        contact.SetElementValue("Email", "jiteshbyahut@asphelps.com");       

        document2.Save(@"D:\Student3.xml");
Output:
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Students>
  <Student>
    <Name>Jitesh Byahut</Name>
    <Email>jiteshbyahut@asphelps.com</Email>
    <City>Dumraon, Buxar</City>
  </Student>
  <Education>
    <Degree>Graduation</Degree>
    <Branch>Electronics &amp; Communication</Branch>
    <University>Rajasthan Technical University</University>
  </Education>
  <Contact>
    <Mobile>8560839802</Mobile>
    <Email>jiteshbyahut@asphelps.com</Email>
  </Contact>
</Students>
Example 5
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Students>
  <Student>
    <Name>Jitesh</Name>
    <Email>jitesh@asphelps.com</Email>
    <City>Buxar</City>
    <Education>
      <Degree>B.Tech</Degree>
      <Branch>ECE</Branch>
      <University>RTU</University>
    </Education>
  </Student>
</Students>
        XDocument document2 = XDocument.Load(@"D:\Student4.xml");

        XElement student = document2.Descendants("Student").Single();
        student.SetElementValue("Name", "Jitesh Byahut");
        student.SetElementValue("Email", "jiteshbyahut@asphelps.com");
        student.SetElementValue("City", "Dumraon, Buxar");

        XElement education = student.Descendants("Education").Single();
        education.SetElementValue("Degree", "Graduation");
        education.SetElementValue("Branch", "Electronics & Communication");
        education.SetElementValue("University", "Rajasthan Technical University");

        document2.Save(@"D:\Student4.xml");
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Students>
  <Student>
    <Name>Jitesh Byahut</Name>
    <Email>jiteshbyahut@asphelps.com</Email>
    <City>Dumraon, Buxar</City>
    <Education>
      <Degree>Graduation</Degree>
      <Branch>Electronics &amp; Communication</Branch>
      <University>Rajasthan Technical University</University>
    </Education>
  </Student>

</Students>