How to count a particular node in xml file and edit the count in Xml header tag

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XML

<Model name="Test.cre" version="v2.0" unit="m" count="0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

Here I want a particular component count and edit the Xml header count

How to do this at runtime using C#

Posted 16-Mar-14 20:15pm

KUMAR619

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Ehsan Skardu · Answer 1 · 2014-03-16T20:24:00

Solution 1

Hi,

try this,

C#

var count = XDocument
    .Load("test.xml")
    .XPathSelectElements("//submenuid")
    .Count();

Posted 16-Mar-14 20:24pm

Ehsan Skardu

Krunal Rohit · Answer 2 · 2014-03-16T20:30:00

Solution 2

You know this, XmlNodeList.Count[^], right ??

XmlDocument.GetElementsByTagName[^] returns an XmlNodeList containing a list of all descendant elements that match the specified name.

See the examples on given links. :)

-KR

Posted 16-Mar-14 20:30pm

Krunal Rohit

Comments

KUMAR619 17-Mar-14 2:33am

Counting is not the problem sir.

My problem is that hoe to update count value in the header tag provided in the question

Krunal Rohit 17-Mar-14 2:41am

Why why ???
I forgot to mention this in the answer. If you have n-nodes, then why would you update the count i.e to make it n+1 nodes ?
You get the count as many nodes you have in your XML.

-KR

KUMAR619 17-Mar-14 2:43am

Yes Sir I got the count but the header tag

count="0"

Console.WriteLine(nodeCount); gets me the count.

But I want the header content change its count as the nodeCount value

Krunal Rohit 17-Mar-14 2:45am

On some timer interval ??

-KR

KUMAR619 17-Mar-14 2:46am

That means

Krunal Rohit 17-Mar-14 2:47am

Like every minute you want the updated count ??

-KR

KUMAR619 17-Mar-14 2:51am

Yes

Krunal Rohit 17-Mar-14 2:59am

Go for Threads. :)

-KR

KUMAR619 17-Mar-14 3:02am

Ok Thats fine.

Please check my above code there its contains a Count="0" there I want to store my updated value

Krunal Rohit 17-Mar-14 3:05am

take one global variable i.e count = 0;
increment it using .Count method in thread execution, i.e count = elemList.Count;
and access this variable outside the thread. Simple !

-KR

KUMAR619 17-Mar-14 3:20am

Its not working help me to change the value in root tag

Krunal Rohit 17-Mar-14 3:24am

You must have not implemented the Thread properly.
It's very simple. Google it for the tutorials.

-KR