change an attribute value of a XML file in c#

Question

how I can change the attribute "id" using my source code?

static void Main(string[] args)
    {

        XmlTextReader reader = new XmlTextReader(@"C:\Users\1.xml");
        XmlNodeList elementList = reader.
        while (reader.Read())
        {
            switch (reader.NodeType)
            {
                case XmlNodeType.Element: // The node is an element
                    {
                        reader.ReadToFollowing("command"); 
                        reader.MoveToAttribute("id");                         
                        Console.Write(reader.Value);
                        Console.WriteLine(" ");                    
                    }
                    break;
            }
        }           
        Console.Read();
    }

I saw some examples, but they have used another methods that don't work with mine. (I'm a noobie)

You're just using XmlReader - that's for reading, not changing. You'd be better off using LINQ to XML, but we can't tell really what you're trying to do at the moment. — Jon Skeet
– Jon Skeet, Commented Jul 29, 2013 at 15:53
i have a xml file, where I have to change values on different positions. easy example: <command device="Tissue"id="10"></command> <command device="Tissue"id="20"></command> ... so I have to change numbering like id="0"id="1" and so on — Evgeny Bubnov
– Evgeny Bubnov, Commented Jul 29, 2013 at 16:08

Aki la · Accepted Answer · 2015-01-22 19:22:32Z

1

I would use LINQ to XML

XElement doc=XDocument.Load(path);
foreach(var element in doc.Descendants().Elements("command"))
{
element.Attribute("id").Value=yourValue;
}
doc.Save(path);

This would change each command element's id attribute

edited Jan 22, 2015 at 19:22

Aki la

3393 silver badges17 bronze badges

answered Jul 29, 2013 at 16:03

Anirudha

32.9k8 gold badges71 silver badges90 bronze badges

Sign up to request clarification or add additional context in comments.

3 Comments

Chuck Savage Over a year ago

Why not use Descendants("command") instead of Descendants().Elements("command")?

Evgeny Bubnov Over a year ago

(was long time away) what library I've to use? its not enough using.linq; XElement is not recognized.

Evgeny Bubnov Over a year ago

used System.Xml.Linq; and became an issue: cannot convert ...XDocument to XElelent.

Matas Vaitkevicius · Accepted Answer · 2016-08-30 11:20:46Z

1

Code above didn't fly for me

this works thought

var doc = XDocument.Load(path);
    foreach(var element in doc.Descendants("command"))
    {
        element.Attribute("id").Value = id;
    }

doc.Save(path);

Hope this saves you some time.

answered Aug 30, 2016 at 11:20

Matas Vaitkevicius

61.9k37 gold badges254 silver badges278 bronze badges

Collectives™ on Stack Overflow

change an attribute value of a XML file in c#

2 Answers 2

3 Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

3 Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related