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LINQ TO XML retrieving Child Element Value

I have the following XML
<ABC xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://ns.hr-xml.org/2007-04-15">
<ReceiptId>
<IdValue>123</IdValue>
</ReceiptId>
<ClientOrderId>
<IdValue>345</IdValue>
</ClientOrderId>
<AccessPoint>
<Description>My Description</Description>
</AccessPoint>
<ABCStatus>
<Status>Error</Status>
<Details>ERRORS:
Talent is already in an active process for this opening.
</Details>
<StatusDate>2015-08-05</StatusDate>
</ABCStatus>
</ABC>
I am trying to retrieve the element value 345 nested in IdValue and ClientOrderId
I have used the Linq to xml code in C# to retrieve the value with no luck
XDocument XMLResults = XDocument.Parse(sResult);
var sClientOrderID =
from nodeAElem in XMLResults.Root.Elements("ABC")
from nodeA1Elem in nodeAElem.Elements("ClientOrderId")
from nodeA11Elem in nodeA1Elem.Elements("IdValue")
select nodeA11Elem.Value;
also need to retrieve the Status Elements value which is Error for the above xml.
Any help is greatly appreciated

Your XML document is using a namespace, you have to use it in your query to make it work.
Root already brings you to ABC element, so you don't have to call Elements("ABC")
You're looking for single value, so you probably want to use Element instead of Elements.
var ns = (XNamespace)"http://ns.hr-xml.org/2007-04-15";
var sClientOrderID = (int)XMLResults.Root
.Element(ns + "ClientOrderId")
.Element(ns + "IdValue");

C# - Access XML attributes

I want to access an attribute type where the value of abc is female
XElement xelement = XElement.Load("..\\..\\Employees.xml");
var name = from nm in xelement.Elements("Employee")
where (string)nm.(Element("Abc") == "Female").Attribute("Type") == "Att"
select nm;
This didn't work. Any way to make it happen?

Something like this would work. It would be useful to see the Xml though.
var doc = XDocument.Load("c:\\temp\\test.xml");
var result = doc.Descendants("Employee")
.Where(x=>(string)x.Value== "female")
.Select(x=>x.Attribute("type").Value);
This is assuming the xml is something like this, the query would return "foo1".
<?xml version="1.0"?>
<root>-
<Employee type="foo">
<abc>male</abc>
</Employee>
<Employee type="foo1">
<abc>female</abc>
</Employee>
<Employee type="foo2">
<abc>male</abc>
</Employee>
</root>

Your code doesn't make any sense.
You cannot nest comparisons and casts and objects like that.
Instead, you need to use the && operator to check each condition separately.

Use XMLReader
More information from MSDN:http://msdn.microsoft.com/en-us/library/system.xml.xmlreader.aspx

Locating a value in XML

I have an xml file loaded into an XDocument that I need to extract a value from, and I'm not sure of the best way to do it. Most of the things I'm coming up with seem to be overkill or don't make good use of xml rules. I have the following snippet of xml:
<entry>
<observation classCode="OBS" moodCode="EVN">
<templateId root="2.16.840.1.113883.10.20.6.2.12" />
<code code="121070" codeSystem="1.2.840.10008.2.16.4" codeSystemName="DCM" displayName="Findings">
</code>
<value xsi:type="ED">
<reference value="#121071">
</reference>
</value>
</observation>
</entry>
There can be any number of <entry> nodes, and they will all follow a similar pattern. The value under the root attribute on the templateId element contains a known UID that identifies this entry as the one I want. I need to get the reference value.
My thought is to find the correct templateID node, back out to the observation node, find <valuexsi:type="ED"> and then get the reference value. This seems overly complex, and I am wondering if there is another way to do this?
EDIT
The xml I receive can sometimes have xml nested under the same node name. In other words, <observation> may be located under another node named <observation>.

You have problems, because your document uses Namespaces, and your query is missing them.
First of all, you have to find xsi namespace declaration somewhere in your XML (probably in the most top element).
It will look like that:
xmlns:xsi="http://test.namespace"
The, take the namespace Uri and create XNamespace instance according to it's value:
var xsi = XNamespace.Get("http://test.namespace");
And use that xsi variable within your query:
var query = from o in xdoc.Root.Element("entries").Elements("entry").Elements("observation")
let tId = o.Element("templateId")
where tId != null && (string)tId.Attribute("root") == "2.16.840.1.113883.10.20.6.2.12"
let v = o.Element("value")
where v != null && (string)v.Attribute(xsi + "type") != null
let r = v.Element("reference")
where r != null
select (string)r.Attribute("value");
var result = query.FirstOrDefault();
I have tested it for following XML structure:
<root xmlns:xsi="http://test.namespace">
<entries>
<entry>
<observation classCode="OBS" moodCode="EVN">
<templateId root="2.16.840.1.113883.10.20.6.2.12" />
<code code="121070" codeSystem="1.2.840.10008.2.16.4" codeSystemName="DCM" displayName="Findings">
</code>
<value xsi:type="ED">
<reference value="#121071">
</reference>
</value>
</observation>
</entry>
</entries>
</root>
The query returns #121071 for it.
For your input XML you will probably have to change first line of query:
from o in xdoc.Root.Element("entries").Elements("entry").Elements("observation")
to match <observation> elements from your XML structure.

Would something along the lines of the following help?
XDocument xdoc = GetYourDocumentHere();
var obsvlookfor =
xdoc.Root.Descendants("observation")
.SingleOrDefault(el =>
el.Element("templateId")
.Attribute("root").Value == "root value to look for");
if (obsvlookfor != null)
{
var reference = obsvlookfor
.Element("value")
.Element("reference").Attribute("value").Value;
}
My thought is as follows:
Pull out all the observation elements in the document
Find the only one (or null) where the observation's templateId element has a root attribute you're looking for
If you find that observation element, pull out the value attribute against the reference element which is under the value element.

You might have to include the Namespace in your LINQ. To retrieve that you would do something like this:
XNamespace ns = xdoc.Root.GetDefaultNamespace();
Then in your linq:
var obsvlookfor = xdoc.Root.Descendants(ns + "observation")
I know I had some issues retrieving data once without this. Not saying its the issue just something to keep in mind particularly if your XML file is very in depth.

C# linq to xml, nested query with attributes

Im really struggling to get my head round this.
Im using c#.
I want to get back an IEnumerable of products from an xml file.
Below is a sample of the xml structure.
I need to get a list of products that have the productEnriched custom attribute set as true.
Some products wont have any custom attribute section at all
my head has strated to hurt just thinking about it!
<?xml version="1.0" encoding="UTF-8"?>
<catalog xmlns="http://www.mynamespace.com" catalog-id="MvgCatalog">
<product>
<custom-attributes>
<custom-attribute attribute-id="productEnriched">true</custom-attribute>
</custom-attributes>
</product>
</category>
thanks for any help
To clear things up i have added a few more items to the example xml
I need to get a list of products
only products that have a custom-attribute element with the attribute productEnriched and value of true
some products in the xml wont have any custom-attribute or custom-attributes elements
some products will have it but with a value of false
i just need a list of products where it exists and has a value of true
<?xml version="1.0" encoding="UTF-8"?>
<catalog xmlns="http://www.mynamespace.com" catalog-id="MvgCatalog">
<product>
<upc>000000000000</upc>
<productTitle>My product name</productTitle>
<custom-attributes>
<custom-attribute attribute-id="productEnriched">true</custom-attribute>
<custom-attribute attribute-id="somethingElse">4</custom-attribute>
<custom-attribute attribute-id="anotherThing">otherdata</custom-attribute>
</custom-attributes>
</product>
</category>

I need to get a list of products only products that have a
custom-attribute element with the attribute productEnriched and value
of true some products in the xml wont have any custom-attribute or
custom-attributes elements some products will have it but with a value
of false i just need a list of products where it exists and has a
value of true
var xml = XElement.Load(#"your file.xml");
XNamespace ns = "http://www.mynamespace.com";
var products = xml.Elements(ns + "product");
var filtered = products.Where(
product =>
product.Element(ns + "custom-attributes") != null &&
product.Element(ns + "custom-attributes").Elements(ns + "custom-attribute")
.Any(
ca =>
ca.Value == "true" &&
ca.Attribute("attribute-id") != null &&
ca.Attribute("attribute-id").Value == "productEnriched"));
By the way, your XMLs are not valid - your opening tag (catalog) does not match your closing tag (category).
The format by itself is strange - is it your idea?
<custom-attributes>
<custom-attribute attribute-id="productEnriched">true</custom-attribute>
<custom-attribute attribute-id="somethingElse">4</custom-attribute>
<custom-attribute attribute-id="anotherThing">otherdata</custom-attribute>
</custom-attributes>
Why put an attribute name as an attribute value and attribute value as an element value? It looks bloated and kind of "reinvents" XML with no clear purpose.
Why not:
<custom-attributes>
<custom-attribute productEnriched="true"/>
<custom-attribute somethingElse="4"/>
<custom-attribute anotherThing="otherdata"/>
</custom-attributes>
Or:
<custom-attributes productEnriched="true" somethingElse="4" anotherThing="otherdata"/>
Or perhaps just use elements:
<product-parameters>
<productEnriched>true</productEnriched>
<somethingElse>4</somethingElse>
<anotherThing>otherdata</anotherThing>
</product-parameters>

Linq to XML Question

Given the following XML, what query can I use to extract the value of preapprovalKey to a string variable? Still a little new to LINQ to XML.
<?xml version="1.0" encoding="UTF-8" ?>
- <ns2:PreapprovalResponse xmlns:ns2="http://svcs.paypal.com/types/ap">
- <responseEnvelope>
<timestamp>2011-04-05T18:35:32.952-07:00</timestamp>
<ack>Success</ack>
<correlationId>7cec030fa3eb2</correlationId>
<build>1655692</build>
</responseEnvelope>
<preapprovalKey>PA-9AG427954Y7578617</preapprovalKey>
</ns2:PreapprovalResponse>

XDocument doc = XDocument.Load("test.xml");
string preapprovalKey = doc.Descendants("preapprovalKey").Single().Value;

See below my exmaple, it help you to resolve your issue and problem. :)
Consider this below XML is there as one of the SQL table's column.
<Root>
<Name>Dinesh</Name>
<Id>2</Id>
</Root>
The objective of the query is to fetch the Name from the XML. In this example we will fetch the 'Dinesh' as the value.
var Query = (from t in dbContext.Employee.AsEnumerable()
where t.active == true
select new Employee
{
Id = t.AtpEventId,
Name = XDocument.Parse(t.Content).Descendants("Root").Descendants("Name").ToList().
Select(node => node.Value.ToString()).FirstOrDefault()
});
Note the following :-
Here in above LINQ , t.active == true is just an example to make some condition if needed.
Please note, in the above LInQ query, always use the AsEnumerable(), as I did in the
first file of the Linq query.exmaple(var Query = (from t in dbContext.Employee.AsEnumerable())
Descendants("Root").Descendants("Name") , Here Root should be the Element matching with the XML, And under the Root we have Name element, thats why we wrote
Descendants("Root").Descendants("Name")
For any further clarification you can reach me via danish.eggericx#gmail.com