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1) What is Angular.js ? AngularJS is a javascript framework used for creating single web page applications.  It allows you to use HTML as your template language and enables you to extend HTML’s syntax to express your application’s components clearly 2) Explain what are the key features of Angular.js ? The key features of angular.js are Scope Controller Model View Services Data Binding Directives Filters Testable 3) Explain what is scope in Angular.js ? Scope refers to the application model, it acts like glue between application controller and the view.  Scopes are arranged in hierarchical structure and impersonate the DOM ( Document Object Model) structure of the application.  It can watch expressions and propagate events. 4) Explain what is services in Angular.js ? In angular.js services are the singleton objects or functions that are used for carrying out specific tasks.  It holds some business logic and these function can be called as controllers, directive, f

How to get dropdown selecteditem value in server side when i created option in client side? You can't get selected value from  DropDownList  if you adding options in  javaScript . You can try the following string selectedValue = Request . Form [ ddlLanguage . UniqueID ];