Linq to select particualr value from a xml

Question

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I have an XML like this

XML

<Calendar region="abc">
  <Format version="1.11"/>
  <Data version="0"/>
  <Mode mode="FULL"/>
  <Period end="31122019" start="15122013"/>
  <Holidays>
    <Day serviceday="2" date="15122013"/>
  </Holidays>
  <ListOfRday>
    <Rday number="11">
      <Description text="Mon"/>
      <AppointedPeriod end="31122019" start="15122013" servicedays="11"/>
    </Rday>
  </ListOfRday>
</Calendar>

There are many Rday entries in ListOfRday.
How can I get the description text for a particular R-day, say Rday number="20", using LINQ?

Posted 19-Mar-14 23:37pm

vipz007

Updated 20-Mar-14 11:54am

Vladimir Svyatski

v2

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Vladimir Svyatski · Accepted Answer · 2014-03-20T12:27:00

Here is a code snippet for you:

C#

using System;
using System.Linq;
using System.Xml.Linq;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            // Your XML here
            string xml = "<Calendar/>";
            XElement calendar = XElement.Parse(xml);
            var query = from rday in calendar.Descendants("Rday")
                        where rday.Attribute("number").Value == "20"
                        select (string)rday.Element("Description").Attribute("text");
            foreach (var text in query)
            {
                Console.WriteLine(text);
            }
        }
    }
}