New <%: %> Syntax for HTML Encoding Output in ASP.NET 4 (and ASP.NET MVC 2) : ASP Alliance

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New <%: %> Syntax for HTML Encoding Output in ASP.NET 4 (and ASP.NET MVC 2)

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by Scott Guthrie
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Article Contents:

Introduction
HTML Encoding
How to HTML Encode Content Today
New <%: %> Code Nugget Syntax
Avoiding Double Encoding
Using ASP.NET MVC HTML Helper Methods with <%: %>
Scaffolding ASP.NET MVC 2 Views
Summary
Resources

Scaffolding ASP.NET MVC 2 Views

When you use VS 2010 (or the free Visual Web Developer 2010 Express) to build ASP.NET MVC 2 applications, you’ll find that the views that are scaffolded using the “Add View” dialog now by default always use <%: %> blocks when outputting any content. For example, below I’ve scaffolded a simple “Edit” view for an Article object. Note the three usages of <%: %> code nuggets for the label, textbox, and validation message (all output with HTML helper methods):

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