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You will update the categories Grid View to let the user update categories.In this exercise, you will learn about the new data validation features in ASP. You will check out the new unobtrusive validation features in Web Forms.

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Client-side validation in Web Forms is now integrated with j Query, providing cleaner client-side code and unobtrusive Java Script features.

In the request validation area, improvements have been made to make it easier to selectively turn off request validation for specific parts of your applications or read invalidated request data.

This hands-on lab includes the following exercises: Note Each exercise is accompanied by an End folder containing the resulting solution you should obtain after completing the exercises. NET Web Forms introduces a number of enhancements focused on improving the experience when working with data.

You can use this solution as a guide if you need additional help working through the exercises. Throughout this exercise, you will learn about strongly typed data-controls and model binding.

NET Web Forms introduces a number of improvements focused on improving user experience when working with data.

In previous versions of Web Forms, when using data-binding to emit the value of an object member, you used the data-binding expressions Bind() or Eval(). NET, you are able to declare what type of data a control is going to be bound to by using a new Item Type property.Some improvements have been made to Web Forms server controls to take advantage of new features of HTML5: In the official ASP.NET portal you can find more examples of the new features in ASP. NET 4.5 and Visual Studio 2012 All sample code and snippets are included in the Web Camps Training Kit, available at Installing Code Snippets For convenience, much of the code you will be managing along this lab is available as Visual Studio code snippets.Setting this property will enable you to use a strongly-typed variable to receive the full benefits of the Visual Studio development experience, such as Intelli Sense, member navigation, and compile-time checking.With the data-bound controls, you can now also specify your own custom methods for selecting, updating, deleting and inserting data, simplifying the interaction between the page controls and your application logic.In this task, you will discover the new strongly-typed bindings available in ASP. One downside with the above approaches is that the calls to Eval() and Bind() are late-bound - meaning you pass strings to represent the property names.

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