Update List Using Linq In Vb.Net

LINQ To XML Tutorials with Examples. A lot of developers over the past few months have requested us for tutorials focusing on LINQTo. XML. Although I have written a couple of them in the past, I decided to republish these tips in the form of a single post. In this article, we will explore 2. How Do I kind of examples using LINQ to XML. I assume you are familiar with LINQ. If not, you can start off with LINQ by checking some tutorials over here and here. For this article, we will be using a sample file called Employees. So make sure you keep it handy with you while are practicing these examples. The mark up for Employees. Employees lt Employee    lt Emp. Id 1lt Emp. Id    lt Name Samlt Name        lt Sex Malelt Sex    lt Phone TypeHome 4. Phone    lt Phone TypeWork 4. Hospital Management System Source Code In Php. Phone   lt Address      lt Street 7. A Cox Streetlt Street      lt City Acampolt City      lt State CAlt State      lt Zip 9. Zip      lt Country USAlt Country    lt Address lt Employee lt Employee    lt Emp. Id 2lt Emp. Id    lt Name Lucylt Name    lt Sex Femalelt Sex    lt Phone TypeHome 1. Phone    lt Phone TypeWork 4. Phone    lt Address      lt Street Jess Baylt Street      lt City Altalt City      lt State CAlt State      lt Zip 9. Zip      lt Country USAlt Country    lt Address lt Employee lt Employee    lt Emp. Id 3lt Emp. Id    lt Name Katelt Name    lt Sex Femalelt Sex    lt Phone TypeHome 1. Phone    lt Phone TypeWork 2. Phone    lt Address      lt Street 2. Boxen Streetlt Street      lt City Milfordlt City      lt State CAlt State      lt Zip 9. Zip      lt Country USAlt Country    lt Address lt Employee lt Employee    lt Emp. This code first searches the selected Employee row using LINQ. After the row is found, the update operation is performed on it. In DataGrid, every Cell is in the form. Id 4lt Emp. Id    lt Name Chrislt Name    lt Sex Malelt Sex    lt Phone TypeHome 5. UploadFile/5b1f04/create-a-list-with-add-edit-and-delete-list-items-in-sharep/Images/List%20after%20delete%20item.jpg' alt='Update List Using Linq In Vb.Net' title='Update List Using Linq In Vb.Net' />Phone    lt Phone TypeWork 4. Phone    lt Address      lt Street 1. Kutbaylt Street      lt City Montaralt City      lt State CAlt State      lt Zip 9. Zip      lt Country USAlt Country    lt Address lt Employee lt Employees The application is a console application targeting. NET 3. 5 framework, although you can use the latest. ExecuteNonQuery method will return number of rows effected with INSERT, DELETE or UPDATE operations. This ExecuteNonQuery method will be used only for insert, update. Programming XML with LINQ to XML. This section details how to program with LINQ to XML independent of LanguageIntegrated Query. Because LINQ to XML provides a fully. In this article I will show you how you can bindpopulate dropdownlist using entityframework in asp. C. In this article I will also show you after. Is there a way to do the following using LINQ foreach var c in collection c. PropertyToSet value To clarify, I want to iterate through each object in a. NET 4. 0 framework too. I have also used query expressions, instead of Lambda expression in these samples. It is just a matter of preference and you are free to use any of these. This tutorial has been divided into 2 sections Section 1 Read XML and Traverse the Document using LINQ To XMLSection 2 Manipulate XML content and Persist the changes using LINQ To XMLThe following namespaces are needed while testing the samples System System. Collections. Generic System. Linq System. Text System. Xml System. Xml. Linq Go grab a hot cup of coffee, put on your developer cap and let us get started Section 1 Read XML and Traverse the XML Document using LINQ To XML1. How Do I Read XML using LINQ to XMLThere 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. The primary difference between both the classes is that an XDocument can contain XML declaration, XML Document Type DTD and processing instructions. Moreover an XDocument contains one root XElement. Using XElement. CXElement xelement XElement. Load. Employees. IEnumerablelt XElement employees xelement. Elements Read the entire XMLforeach var employee in employees    Console. Write. Lineemployee VB. Pcad 2006 Library'>Pcad 2006 Library. NET Converted CodeDim xelement As XElement XElement. Load. Employees. Dim employees As IEnumerableOf XElement xelement. Elements Read the entire XMLFor. Each employee In employees      Console. Tally Erp 9 Release 4.7 Keygen. Write. LineemployeeNext employee. Output Using XDocument. CXDocument xdocument XDocument. Load. Employees. IEnumerablelt XElement employees xdocument. Elements foreach var employee in employees    Console. Write. Lineemployee VB. NET Converted CodeDim xdocument As XDocument XDocument. Load. Employees. Dim employees As IEnumerableOf XElement xdocument. ElementsFor. Each employee In employees      Console. Write. LineemployeeNext employee. Output Note 1 As you can observe, XDocument contains a single root element Employees. Note 2 In order to generate an output similar to the one using XElement, use  xdocument. Root. Elements instead of  xdocument. ElementsNote 3 VB. NET users can use a new feature called XML Literal. How Do I Access a Single Element using LINQ to XMLLet us see how to access the name of all the Employees and list them over here. CXElement xelement XElement. Load. Employees. IEnumerablelt XElement employees xelement. Elements Console. Write. LineList of all Employee Names foreach var employee in employees    Console. Write. Lineemployee. ElementName. Value VB. NET Converted CodeDim xelement As XElement XElement. Load. Employees. Dim employees As IEnumerableOf XElement xelement. ElementsConsole. Write. LineList of all Employee Names For. Each employee In employees      Console. Write. Lineemployee. ElementName. ValueNext employee. Output 3. How Do I Access Multiple Elements using LINQ to XMLLet us see how to access the name of all Employees and also list the ID along with it. CXElement xelement XElement. Load. Employees. IEnumerablelt XElement employees xelement. Elements Console. Write. LineList of all Employee Names along with their ID foreach var employee in employees    Console. Write. Line0 has Employee ID 1,         employee. ElementName. Value,        employee. ElementEmp. Id. Value VB. NET Converted CodeDim xelement As XElement XElement. Load. Employees. Dim employees As IEnumerableOf XElement xelement. ElementsConsole. Write. LineList of all Employee Names along with their ID For. Each employee In employees      Console. Write. Line0 has Employee ID 1, employee. ElementName. Value, employee. ElementEmp. Id. ValueNext employee. Output 4. How Do I Access all Elements having a Specific Attribute using LINQ to XMLLet us see how to access details of all Female Employees. CXElement xelement XElement. Load. Employees. ElementsEmployee           where stringnm. ElementSex Female           select nm Console. Write. LineDetails of Female Employees foreach XElement x. Ele in name    Console. Write. Linex. Ele VB. NET Converted CodeDim xelement As XElement XElement. Load. Employees. Dim name       From nm In xelement. ElementsEmployee       Where CStrnm. ElementSex Female       Select nm. Console. Write. LineDetails of Female Employees For. Each x. Ele As XElement In name      Console. Write. Linex. EleNext x. Ele. Output 5. How Do I access Specific Element having a Specific Attribute using LINQ to XMLLet us see how to list all the Home Phone Nos. CXElement xelement XElement. Load. Employees. Phone from phoneno in xelement.