XDocument LINQ

XDocument Class (System

  1. Loads an XDocument from an XmlReader, optionally setting the base URI, and retaining line information. Load Async (Stream, Load Options, Cancellation Token) Asynchronously creates a new XDocument and initializes its underlying XML tree from the specified stream, optionally preserving white space
  2. I would use the built-in query methods in LINQ to XML instead of XPath. Your query looks fine to me, except that: If there are multiple items, you'd need to find the descendants of that instead; or just use Element if you're looking for direct descendants of the item; You may want to pull all the values at once and convert them into a dictionary; If you're using different data types for the.
  3. However, when you load the same XML document into an XDocument via XDocument.Load, the root of the tree is an XDocument node, and the root element of the loaded document is the one allowed child XElement node of the XDocument. The LINQ to XML axes operate relative to the root node
  4. LINQ to XML's loading functionality is built upon XmlReader. Therefore, you might catch any exceptions that are thrown by the XmlReader.Create overload methods and the XmlReader methods that read and parse the document

Querying an XDocument vs. Querying an XElement (C#) Explains the differences between writing queries on an XML tree that is rooted in XElement and writing queries on an XML tree that is rooted in XDocument. How to find descendants with a specific element name (C#) Shows how to find all the descendants of an element that have a specific name How Do I Read XML using LINQ to XML There are two ways to do so: Using the XElement class or the XDocument class. Both the classes contain the 'Load ()' method which accepts a file, a URL or XMLReader and allows XML to be loaded

One possible use for this method is to create a copy of a DOM document in a LINQ to XML tree. To do this, you create an XmlNodeReader from a DOM document, and then use the XmlNodeReader to create an XDocument. LINQ to XML's loading functionality is built upon XmlReader C# (CSharp) System.Xml.Linq XDocument.Elements - 30 examples found. These are the top rated real world C# (CSharp) examples of System.Xml.Linq.XDocument.Elements extracted from open source projects. You can rate examples to help us improve the quality of examples

Linq is designed to be used in compiled languages that implement compiler extensions. XMl.Linq is a wrpper around XML. C# and other languages support the extensions Now LINQ to XML uses XDocument for the same kind of thing. Syntaxes are much easier than XMLDocument and it requires a minimal amount of code. The code below will load the XML file into the XMLDocument or XDocument. It creates the new attribute and sets the value to that attribute I had a requirement as part of my assignment to convert complex XML to an object using LINQ. The same thing using XML serialization and deserialization is available at this link. Using the Code. We need to create the XML file in this format One overload of XDocument.Load receives a URI (file path). Since the xml file uses a namespace, we must query with the namespace AND element name. A Linq query utilizing C# 6 syntax to accommodate for the possibility of null values. Every. used in this query has the potential to return a null set if the condition finds no elements

c# - Best way to query XDocument with LINQ? - Stack Overflo

  1. Big thanks to Ion Vasilian for setting me straight with this LINQ to XML Query! First we load the XML into an XDocument and ask for the attributes hanging off the root, but we just want namespace declarations. XDocument z = XDocument.Parse (s); var result = z.Root.Attributes (). Where (a => a.IsNamespaceDeclaration)
  2. C# (CSharp) System.Xml.Linq XDocument.Save - 30 examples found. These are the top rated real world C# (CSharp) examples of System.Xml.Linq.XDocument.Save extracted from open source projects. You can rate examples to help us improve the quality of examples
  3. To load the XML document in an Object, I am using the XDocument Class. Its provided to us with the System.Xml.Linq namespace. The class has many useful methods, and one of it is the load() method. Using this method, we will create a new XDocument by providing the method a value (parameter) in the form of an XML document and paths
  4. Jump on LINQ with simple example . To use XDocument, XElement, or XAttribute we need to include System.Xml.Linq namespace in our code. We will see all the point one by one with example. Let's start with XDocument. Example1: Load un-parsed XML string into XDocument
  5. Using the LINQ to XML classes, you can see the every part of the XML document you will create is instantiated inside the constructor of every class. These method of creating XML markup is called functional construction. Each LINQ to XML class' constructor accepts arguments that may serve as child elements or values of the element it represents
  6. ates the need for a developer to learn the XML query language which is somewhat complex
  7. USING XDOCUMENT & LINQ COMBINATION. Jaish Mathews. Updated date Aug 05, 2011. 13.6 k. 0. 0. If you have XML file with data, it can be easily parsed using LINQ and the output can be displayed in a GUI control. LINQ along with XDocument made the things easy compared to previous XMLDocument element. Every one should try with this combination

Now LINQ to XML uses XDocument for the same kind of thing. Syntaxes are much easier than XMLDocument and it requires a minimal amount of code. Also XDocument is mutch faster as XmlDocument. XmlDoucument is an old and dirty solution for query an XML document XDocument 4.3.0 Provides the classes for Language-Integrated Query (LINQ) to Extensible Markup Language (XML). LINQ to XML is an in-memory XML programming interface that enables you to modify XML documents efficiently and easily

Query an XDocument vs

  1. System.Xml.Linq.XDocument.Load (string, System.Xml.Linq.LoadOptions) Here are the examples of the csharp api class System.Xml.Linq.XDocument.Load (string, System.Xml.Linq.LoadOptions) taken from open source projects. By voting up you can indicate which examples are most useful and appropriate. 32 Example
  2. It all depends on a number of different factors. The easiest would be XMLDocument or XDocument (depending on your tasks, also, I would doubt that XDocument without LINQ to XML would pay off, so consider using LINQ with that), but XmlReader/XmlWriter can get you top performance. Please see my short review of those approaches: Use System.Xml.XmlDocument class
  3. Linq. XDocument. My main purpose of writing this wiki was to explore the System. Xml. Linq library as until recently I mostly used the System. Xml library. I decided to implement the following scenario for both libraries: Retrieve an xml feed from the blogs.msdn.com RSS service. Save the xml feed to a fil
  4. System.Xml.Linq.XDocument.Save (System.IO.Stream) Here are the examples of the csharp api class System.Xml.Linq.XDocument.Save (System.IO.Stream) taken from open source projects. By voting up you can indicate which examples are most useful and appropriate
  5. I can only keep making these videos with your support. Please LIKE and SUBSCRIBE to my channel. If you have questions, join our Google+ Community: http://b..
  6. 956public XDocument Document {960return n as XDocument; 1451/// <see cref=XDocument/>, 1926/// Two <see cref=XDocument/>s are equal if their root nodes are equal. Two 2012XDocument n = this as XDocument; 2102/// Two <see cref=XDocument/>s are equal if their root nodes are equal. Two 2140/// Two <see cref=XDocument/>s are equal if their root nodes are equal
  7. g interface that enables you to modify XML documents efficiently and easily. There is a newer version of this package available. See the version list below for details

XDocument.Parse Method (System.Xml.Linq) Microsoft Doc

1. Sign in to vote. Use can use XDocument class (of Linq) XDocument doc = XDocument.Load(@filePath); var query = doc.Descendants(root).Select(s => new { ONE = s.Element(one).Value }).ToList(); string one = query[0].ONE; Mitja. Edited by Mitja Bonca Friday, July 27, 2012 2:05 PM. Marked as answer by Lisa Zhu Thursday, August 2, 2012 8:50 AM Most of the action happens inside the CustomRules class, in Execute (XDocument xdoc) method. I will not follow the entire logic, will just add that I use this syntax to split xdoc in nodes and traverse the list: List<XNode> nodes = xdoc.Elements().Nodes().InDocumentOrder().ToList(); foreach (XNode node in nodes) {

Basic Queries (LINQ to XML) Microsoft Doc

To read that XML file using LINQ. XDocument xdocument = XDocument.Load (Employees.xml); IEnumerable<XElement> employees = xdocument.Root.Elements (); foreach (var employee in employees) { Console.WriteLine (employee); } To access single element I'm trying to parse the data in an xml file that look below. Currently, I'm able to obtain the category properties correctly for category id 1_02 using the code defined in Code Block 1. I'm having a hard time coming up with a simalar solution for when the category section contains two options · Hello, You can load the XML into a XmlDocuemtn and. Because most message would be wrapped in a SOAP envelope it would be ideal to build the body of each message and serialize to SOAP but I can't find any examples on the MSDN website. Another problem I have is the compiler doesn't like double colon annotation on the elementname e.g env:Envelope. XDocument = new XDocument ( The following is LINQ to XML class hierarchy, I have copied this image from the MSDN to make the structure more clear. The preceding diagram is from the MSDN. There are many more classes that can be used in LINQ to XML. The following are a few of them to explain the functional construction of XML. XDocument XDeclaration XComment XElement XAttribut

Retrieving Data Using linq To XML: At first I am going to put a code snippet that will actually do that work of retrieving data from xml file. Then I will explain how its working on each step. At first, we will need to create and XDocument object from the xml file. Simply passing the file location as parameter of constructor will do fine LINQ to XML Example. we will perform curd operation on an existing object like insert and update delete. Create New XML. We will create a file format XML with the help of the XElement class this class can contain XAttribute(), XElement() methods, by using these methods we will create an XML file at run time. The formed XML file should be converted into the XML document for this we will use. Hi! I have a problem. I´m searching a xml-document for a specific attribute value. This is my code: Copy Code. XElement root = XElement.Load (System.Environment.CurrentDirectory + \\Documents\\Codec\\super.xml ); //Search the Name of the Signal in the VAR-Region of the super.xml file. Show all ancestor elements of type PACKET and of this the. In this post, I'll show you how to create LINQ to XML queries that don't require you to first load and cache XML content into the in-memory LINQ to XML DOM (that is, without first populating an XDocument or XElement query source), but instead operate against an input stream implemented with a C# custom iterator method and an old-fashioned XmlReader object The XDocument class in the System.Xml.Linq namespace includes various methods and properties that simplify working with XML data. The following list provides a sampling of these methods and.

LINQ to XML allows you to create an entire XML document by just adding elements within the constructor of the XDocument and XElement classes: The XElement constructor allows you to add the name of the node and allows you define a params object[] as content, which basically means you can add a list of XElements as content without having to leave. Introducing the XDocument Family. In the quest to design a way to use LINQ over XML data, Microsoft needed to create a new set of classes that would simplify the task, so it created the XDocument classes: XElement, XAttribute, XNamespace, XDirective, and more.To use these classes, you must add a reference to the System.Xml.Linq.dll assembly, and then you can add an imports (C# using) System. Display XDocument: 17. Create XDocument with XDeclaration and XElement: 18. Load xml document with XDocument: 19. Save the document where you need it: 20. Create an Xml document in a Xml Linq way: 21. Display the second namespace on screen: 22. XDocument Class represents an XML document. 23. Create a new instance of the XDocument and add. Re: XDocument, LINQ problem - Type 'XDocument' is not defined. Feb 18, 2010 04:27 AM | theDaveB | LINK Although it looks like I have 2 XDocument classes in the code, that is just way this website is rendering the source code when I past it

How do I loop through each node in the following xml file in a way that can be parsed/formatted in a case statement as If no child (e.g. <RegDate>, <Location> etc) then create a 2-dimensional array MyArray1 containing the element name and the value. If a node is like <SchoolType> then create · See if the code below helps. I used an enumeration to. C# (CSharp) System.Xml.Linq XDocument.XPathSelectElement - 30 examples found. These are the top rated real world C# (CSharp) examples of System.Xml.Linq.XDocument.XPathSelectElement extracted from open source projects. You can rate examples to help us improve the quality of examples

LINQ To XML Tutorials with Examples DotNetCurr

XDocument.Load Method (System.Xml.Linq) Microsoft Doc

Here are the examples of the csharp api class System.Xml.Linq.XDocument.Load(string) taken from open source projects. By voting up you can indicate which examples are most useful and appropriate Subscribe for more lessonsThis video explains how to Work Work with Linq (Language Integrated Query) in C#.How to import an Xml File into C# and How to Query.. System.Xml.Linq.XDocument.Load(System.IO.Stream) Here are the examples of the csharp api class System.Xml.Linq.XDocument.Load(System.IO.Stream) taken from open source projects. By voting up you can indicate which examples are most useful and appropriate The ParseByXDocument method shows how to parse the XML document using XDocument . The two methods are very similar, but the linq flavored XDocument enables us to save a couple of lines of C# code. Both the methods are pretty simply and you should not have much problem to read them

Accessing Data with Microsoft

XDocument.Elements, System.Xml.Linq C# (CSharp) Code ..

Example: Streaming LINQ to XML over OOXML. WordprocessingML is split into about a dozen separate files, each of which is quite small and can easily be loaded in their entirety in an XDocument. The exception is the main document file XDocument derives from XContainer. Therefore, it can contain child nodes. However, XDocument objects can have only one child XElement node. This reflects the XML standard that there can be only one root element in an XML document. The XDocument is available in System.Xml.Linq namespace. Exampl If you are a foodie like me, I am sure you will enjoy the recipes on my friend's YouTube channel. If you find them useful, please subscribe and share to supp..

C# (CSharp) System.Xml.Linq XDocument.XPathSelectElements - 30 examples found. These are the top rated real world C# (CSharp) examples of System.Xml.Linq.XDocument.XPathSelectElements extracted from open source projects. You can rate examples to help us improve the quality of examples 347XDocument schemaDocument = new XDocument(); System\ServiceModel\Dispatcher\HelpPage.cs (2) 421 XDocument exampleDocument = new XDocument (); 438 XDocument XmlExampleDocument = new XDocument ()

How to get XML nodes/values with System

Hi, Am having a problem using xDocument with LINQ. Searched on the internet for days but found nothing, think the problem is everyone is using VS and am hand coding so not sure what name spaces. XDocument.Load(String, LoadOptions) loads an XDocument from a file with option: 13. XDocument.Load (TextReader) creates a new XDocument from a TextReader. 14. XDocument.Load (TextReader, LoadOptions) loads an XDocument from a TextReader with option: 15. XDocument.Load (XmlReader) loads an XDocument from an XmlReader. 16

XMLDocument (DOM) and XDocument (LINQ

LINQ to Objects provides many queries accepting IComparer<T> or IEqualityComparer<T> parameter. To use those queries with XML, LINQ to XML provides 2 built-in comparers: · XNodeDocumentOrderComparer, which implements IComparer<XNode>. Its Compare method simply calls XNode.CompareDocumentOrder Experts i think this is a bug in LINQ because last 3 weeks i'm trying to find the solution but still now no solution,. actually i have this code. public DataTable XElementToDataTable(XDocument x). DataTable dt = new DataTable();. XElement setup = (from p in x.Descendants(NewDataSet).Descendants(Table) select p).First();. DataTable dttemp = new DataTable();. foreach (XElement xe in setup. < summary >Creates a new < see cref = T:System.Xml.Linq.XDocument /> instance by using the specified stream, optionally preserving white space, setting the base URI, and retaining line information.</ summary > < returns >An < see cref = T:System.Xml.Linq.XDocument /> object that reads the data that is contained in the stream.</ returns.

XDocument.Parse creates a new XDocument from a string. 27. XDocument.Parse Method creates a new XDocument from a string, optionally preserving white space: 28. XDocument.Root Property gets the root element of the XML Tree for this document. 29. XDocument.Save (String) serialize this XDocument to a file, overwriting an existing file, if it. LINQ Using XDocument. Here is the code to query XDocument using LINQ Expression to get the Employees whose salary is greater than 2000 and save it to another XML File. Sample Xml File Pretty simple. Load the XDocument and use LINQ methods to traverse the tree. This example pulls the Request element where RequestId is 3: var doc = XDocument.Load(@d:\XmlFile.xml); var query = from d in doc.Descendants(Requests) where (int)d.Element(Request).Element(RequestId) == 3 select d.Element(Request); // now execute query, l] var result = query.ToList() This library is intended to be used with LINQ (as the namespace suggests). It allows us to quickly create documents, or browse elements using LINQ. The price fir this convenience is that we lose the DOM standard and XPath query. One of feature of XDocument is that we can use object as content, XDocument converts the objects to node or attribute. In linq query xdocument.Descendants will return a IEnumarable XElement collection. Lets take an example XML file which conatins country and city list. Take two dropdown lists, the first one has to be filled with counties list by reading xml. And when user select country from the dropdown, get the cities list in that country from the xml and.

Hotel Krystal Zihuatanejo - UbicaciónFetch RSS Feed Content From LINQ To XML

Convert XML to Object using LINQ - CodeProjec

LINQ to XML. LINQ to XM L Sorting - In this post, we will read data from the XML file using LINQ to XML, sort it by an element and then load it into a Dictionary. Serialize XDocument in LINQ To XML - In this post, we will first create an XDocument object that contains XElement objects. You can then serialize the XDocument to a File, XMLWriter. Scenario. I've got a very simple scenario.I have data in an XML document and its big. I know the document has books (an inventory of books) with important details about each book. I would like to use LINQ and its condition features, such as, the where clause, to filter XML elements based on a search value.. For example, I would enter the name of the book and I get the details about the.

Insert Data to XML Using LINQ to XML

C# XDocument and the System

XDocument. Descendents () returns an IEnumerable<XElement> which can be used in a query directly. Conclusion: Using trees with LINQ is simple. However, there is no one size fits all solution. ↑ Return to To We can get or retrieve full path of the given XML Node or Element. Means from root element to the given XML Node.We can achieve this LINQ's extensions methods. We are using 'Descendants', 'AncestorsAndSelf' and 'Reverse' methods.. Descendants : Returns filtered collections of the given elements from document or element.For more details Click Here.. Understanding Anonymous Types using LINQ to XML. First we can create a simple BookStore.xml file on our local file-system like below that uses a custom schema. Now I can use the new XDocument class within the System.Xml.Linq namespace to open and query the XML document above. Let us look at the code-snippet that can help us accomplish our purpose

How to Parse RSS and ATOM Feeds in C# - CODE-AILINQ to XML – Elements()與Descendants()的使用差異 | Pou&#39;s ITLINQ TO XMLLINQ to XML

Where is a LINQ functionality to filter data in a query with given criteria.. Each of below examples is presented in C# with both Lambda and Query expression. 1. Collection of strings - single condition. Query collection to get items which start with b LINQ to XML is a set of .NET framework classes residing in 'System.Xml.Linq' namespace used to create, update, delete and query data from XML document, the 'XDocument' class. How LINQ to XML works? In LINQ to XML, just like Document Object Model (DOM), before performing any operations, the XML document is brought into the memory C# XElement Example Use the XElement type to load an XML file into memory. Invoke XElement.Load and Elements. dot net perls. XElement loads and parses XML. It allows you to eliminate the possibility of bugs and typos. Here we see an example of XElement from LINQ. We use it to load (and query) an XML document