Check out example codes for "xml node update attribute value c#". It will help you in understanding the concepts better.

Code Example 1

//Here is the variable with which you assign a new value to the attribute
string newValue = string.Empty;
XmlDocument xmlDoc = new XmlDocument();


XmlNode node = xmlDoc.SelectSingleNode("Root/Node/Element");
node.Attributes[0].Value = newValue;


//xmlFile is the path of your file to be modified

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