The following instructions guide you through the steps required to install Note The feedback system for this content will be changing soon. If content within a comment thread is important to you, please save a copy.For more information on the upcoming change, we invite you to read our blog post.To enhance that view, you will add a custom HTML helper that will truncate long descriptions. This lab walks you through the enhancements and new features previously described by applying minor changes to a sample Web application provided in the Source folder.Afterwards, you will add the Edit and Create Views that will let you alter the albums in the database, with the help of form elements like dropdowns. Note All sample code and snippets are included in the Web Camps Training Kit, available at Microsoft-Web/Web Camp Training Kit Releases.In this Hands-on Lab, you will add to the Music Store application the ability to edit that data.With that goal in mind, you will first create the controller that will support the Create, Read, Update and Delete (CRUD) actions of albums.The Store Manager Index page has one potential issue: Title and Artist Name properties can both be long enough to throw off the table formatting. In this exercise, you will learn how to create a form to allow store managers to edit an Album.In this exercise you will learn how to add a custom HTML helper to truncate that text. They will browse the /Store Manager/Edit/id URL (id being the unique id of the album to edit), thus making an HTTP-GET call to the server.
NET MVC's scaffolding feature to display the albums' properties in an HTML table.It makes no difference what kind of development you are working on, user input validation is always an important and often troublesome issue. It is my personal opinion that everything that can be updated by anyone else but me should be validated at every opportunity and that we should always validate everything in one pass. Do we need to report every error in one pass or allow the user to correct one error at a time? Nested ifs, deconstructing strings, building up lists of error messages, endless comments trying to make some sense of it.Then, all the logic that works at server side can be run at client side.For example, Price attribute has the following data annotation in the model: You can install Microsoft Visual Studio Express 2012 for Web or another "Express" version using the Microsoft Web Platform Installer.By Web Camps Team Download Web Camps Training Kit In ASP.NET MVC 4 Models and Data Access Hands-on Lab, you have been loading and displaying data from the database.Another problem can arise if the customer wants you to mark the invalid fields and then list the errors in one place (a common user-friendly convention in web-page design).It is hard to imagine someone who enjoys writing validation code, and that goes double for classic ASP developers. NET framework has gone a long way to alleviate the problem for the ASP.You can use this solution as a guide if you need additional help working through the exercises.Estimated time to complete this lab: 60 minutes In this exercise, you will learn how to create a new controller to support CRUD operations, customize its Index action method to return a list of albums from the database and finally generating an Index View template taking advantage of ASP.