By Jamie Munro

There is no have to reinvent the wheel whenever you run right into a challenge with ASP.NET's Model-View-Controller (MVC) framework. This concise cookbook presents recipes that can assist you clear up initiatives many net builders come upon each day. each one recipe comprises the C# code you would like, in addition to a whole for instance of the way to enforce the answer. examine functional suggestions for making use of consumer authentication, offering quicker web page reloads, validating person information, filtering seek effects, and lots of different concerns concerning MVC3 improvement. those recipes aid you:Restrict entry to perspectives with password defense enable clients to add and shop a dossier for your site enforce AJAX to permit clients to work out up to date content material quick Validate shape enter to make sure the knowledge you seize is what you predict Create thumbnails to preview photographs instead of view them widespread supply your internet program the facility to alter languages Use CAPTCHA to avoid computerized courses from finishing varieties Make URLs extra consumer- and search-engine-friendly with the MapRoute functionality

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Additional resources for 20 Recipes for Programming MVC 3: Faster and Smarter Web Development

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However, as I mentioned above, it also becomes a lot of work to build useful functionality. To add sorting both the BooksController and the Books/Index view require changes. ID })


In the above example, the previously created

tags have been updated to no longer be static text, instead they have been converted to HTML links using the ActionLink function from the HTML helper. 32 | The Recipes Next the BookController’s Index() function needs to be updated. This function will accept a new parameter called sortOrder.

6 Retrieving a Forgotten Password | 27

Use the form below to retrieve your password. ValidationSummary(true, "Password retrieval was unsuccessful. Utils { public class MailClient { private static readonly SmtpClient Client; static MailClient() { ... } private static bool SendMessage(string from, string to, string subject, string body) 28 | The Recipes { } ... public static bool SendWelcome(string email) { ... com", email, "Lost Password", body); This function is very similar to the previous one, with the exception that a second parameter is added—the user’s password.

It is now accepting a new variable for the filter. Based on the filter options, the list of books will be reduced based on the user’s selection. There are two approaches that could be used to implement the filtering: 1. Use dynamic Linq again to create a string-based where clause 2. Use standard Linq and a switch statement to create a strongly-typed where clause Because filter links typically don’t contain too many entries compared to sortable headers, this recipe will use the second approach. By using the second approach, the warning in the sorting recipe doesn’t need to be considered because it is strongly-typed and not dynamic, so extra checking of the input is not required to prevent dangerous SQL injection.

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