Update List Using Linq In Vb.Net
Return JSON data object from Web. Method Page. Method in ASP. Net using C and VB. Net. In this article I will explain with an example, how to return JSON data object from Web. Method Page. Method in ASP. Net using C and VB. There are many ways. A simple way involves using a BindingSource in conjunction with a DataTable, DataSet, View or custom implementation of list that. Net. In this example, the JSON data object will be populated from database and it will be returned by the Web. Arena Condensed Font. Method Page. Method to j. Query AJAX function. Database. Here I am making use of Microsofts Northwind Database. The download and install instructions are provided in the following article. HTML Markup. The following HTML Markup consists of an HTML. DIV with an HTML Table. The HTML table will be used for displaying the returned JSON data object from ASP. Net Web. Method Page. Method. lt dividdv. Customers lt tableclasstbl. Customercellpadding2cellspacing0border1 lt tr lt th lt b lt u lt spanclassname lt span lt u lt b lt th lt tr lt tr lt td lt b City lt b lt spanclasscity lt span lt br lt b Postal Code lt b lt spanclasspostal lt span lt br lt b Country lt b lt spanclasscountry lt span lt br lt b Phone lt b lt spanclassphone lt span lt br lt b Fax lt b lt spanclassfax lt span lt br lt td lt tr lt table lt div Namespaces. You will need to import the following namespaces. Cusing System. Data. Sql. Client using System. DataGridView%20with%20MySQL.jpg?itok=bp1sJPnf' alt='Update List Using Linq In Vb.Net' title='Update List Using Linq In Vb.Net' />Configuration using System. Web. Services VB. Net. Imports System. Data. Sql. Client. Imports System. Configuration. Imports System. Web. Services. The Property Class. The following property class is created to hold the data returned from database and it is returned to the Client Side script as a JSON object. Cpublicclass. Customer publicstring Customer. Id get set publicstring Contact. Name get set publicstring City get set publicstring Country get set publicstring Postal. Code get set publicstring Phone get set publicstring Fax get set VB. Net. Public. Class. VB. Net Quick Guide Learn VB. Net Programming in simple and easy steps starting from Environment setup, Basic Syntax, Data Types, Type Conversion, Variables. Create a CVB. NET kiosk application that runs on Windows and displays modern Web content using WPF or WinForms and a Browser control based on Chromium. In this article, we will learn LINQ To XML using some How Do I kind of examples. 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. 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. Customer Public. Property Customer. SBx9_eddmo/hqdefault.jpg' alt='Update List Using Linq In Vb.Net' title='Update List Using Linq In Vb.Net' />Id As. String Public. Property Contact. Name As. String Public. Property City As. String Public. Property Country As. String Public. Property Postal. Code As. String Public. Property Phone As. String Public. Property Fax As. String. End. Class. Web. Method Page. Method returning JSON data objectThe following Web. Method Page. Method will return JSON data object. When a call is made to the Web. Method Page. Method, it first fetches the records from the database and populates a Generic list of Customer class objects and then the list is returned as a JSON object back to the Client Side function. CWeb. Methodpublicstatic. Listlt Customer Get. Customers string constr Configuration. Manager. Connection. Stringsconstr. Connection. String using Sql. Connection con new. Sql. Connectionconstr using Sql. Command cmd new. Sql. CommandSELECT TOP 1. FROM Customers cmd. Connection con Listlt Customer customers new. Listlt Customer con. Open using Sql. Data. Reader sdr cmd. Execute. Reader while sdr. Read customers. Addnew. Customer Customer. Id sdrCustomer. Id. To. String, Contact. Name sdrContact. Name. To. String, City sdrCity. To. String, Country sdrCountry. To. String, Postal. Code sdrPostal. Code. To. String, Phone sdrPhone. To. String, Fax sdrFax. To. String, con. Close return customers VB. Netlt Web. Method Public. Shared. Function Get. Customers As ListOf Customer Dim constr As. Isabella Malayalam Movie Song. String Configuration. Manager. Connection. Stringsconstr. Connection. String Using con As. New. Sql. Connectionconstr Using cmd As. New. Sql. CommandSELECT TOP 1. FROM Customers cmd. Connection con Dim customers As. New ListOf Customer con. Open Using sdr As. Sql. Data. Reader cmd. Execute. Reader While sdr. Read customers. AddNew Customer With . Customer. Id sdrCustomer. Id. To. String, . Contact. Name sdrContact. Name. To. String, . City sdrCity. To. String, . Country sdrCountry. To. String, . Postal. Code sdrPostal. Code. To. String, . Phone sdrPhone. To. String, . Fax sdrFax. To. String End. While End. Using con. Close Return customers End. Using End. Using. End. Function. Client Side functionality. Inside the j. Query document ready event handler, an AJAX call is made to the Web. Method Page. Method. Inside the Success event handler, a loop is executed over the items of the received JSON object. Inside the loop, the HTML Table is cloned and the columns values are set to their respective fields using the CSS class names. POST, url Default. Get. Customers, data , content. Type applicationjson charsetutf 8, data. Type json, success On. Success, failure function response alertresponse. On. Successresponse var table dv. Customers table. Customers table. Contact. Name . City . Postal. Code . Country . Phone . Fax dv. Customers. appendtable. Customers table. Screenshot.