How to change update the element value in XML with C#?

Question

I have a xml file and wanted to update and save the value of target load with C# code. My code is as below which is trying to xml shown below -

var fileName = textBox1.Text;
            System.Xml.XmlDocument xmlDoc = new System.Xml.XmlDocument();
            xmlDoc.Load(fileName);
            xmlDoc.SelectSingleNode("factoryTest/targetLoad").InnerText = "80";
            xmlDoc.Save(fileName);




<?xml version="1.0" encoding="utf-8"?>
<factoryTest xmlns="urn:gcpm">
  <targetLoad>90</targetLoad>
  <isAccepted>true</isAccepted>
  <isCertified>true</isCertified>
  <isAtRatingConditions>true</isAtRatingConditions>
  <supervisorName>Eric Larson</supervisorName>
</factoryTest>

@Somnath Please go thru the question mentioned in the comment above and try to solve your issue using that approach. If you face any issue in that, you can post it here. — Chetan
– Chetan, Commented Dec 15, 2018 at 22:52
I have already tried several options but none was helping my scenario. var fileName = textBox1.Text; System.Xml.XmlDocument xmlDoc = new System.Xml.XmlDocument(); xmlDoc.Load(fileName); xmlDoc.SelectSingleNode("factoryTest/targetLoad").InnerText = "80"; xmlDoc.Save(fileName); — Somnath
– Somnath, Commented Dec 15, 2018 at 23:07
@Somnath you can edit your question with that code and provide details about what is not working. — Crowcoder
– Crowcoder, Commented Dec 15, 2018 at 23:09
I have a xml file whose content needs to be updated and saved with the help of C# code. — Somnath
– Somnath, Commented Dec 15, 2018 at 23:19

Somnath · Accepted Answer · 2018-12-15 23:35:44Z

0

I have resolved this issue.

XDocument xdoc = XDocument.Load(tFileName);
            xdoc.Elements("{urn:gcpm}factoryTest").Elements("{urn:gcpm}targetLoad").FirstOrDefault().Value = textBox2.Text;
            xdoc.Save(tFileName);

answered Dec 15, 2018 at 23:35

Somnath

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