Razor view with visual basic syntax has .vbhtml file extension and C# syntax has .cshtml file extension. As of MVC 5.1, the dev team realized that this was a fairly common use case: needing to add additional HTML attributes. Razor is a markup syntax that lets you embed server-based code (Visual Basic and C#) into web pages. HTML markup in .cshtml Razor files is rendered by the server unchanged. Razor supports C# and uses the @ symbol to transition from HTML to C#. Razor evaluates C# expressions and renders them in the HTML output. When an @ symbol is followed by a Razor reserved keyword, it transitions into Razor-specific markup. Html.EditorFor and htmlAttributes 01 December 2014 Many of the Razor HTML helpers allow passing an anonymous object in a parameter called htmlAttributes. As the name indicates, the members of this object will be added to the generated HTML as attributes. HTML Encoding using Razor. In the following example, IsCompleted determines if the element's checked property is set. During the code, I want to pass two parameters to the controller. There is no special rule for creating form. DEVTIP :: Conditional HTML Attributes using Razor MVC3 Hopefully you can use this ⦠In razor views the rule is slightly different. Attribute. The best way to do this (if, for example, you are in a foreach loop) is using a generic method. razor variable in html attribute String variables store string values ("Welcome to W3Schools"), integer variables store number values (103), date variables store date values, etc. HTML helpers support the ability to pass in an anonymous object for setting these attributes. If the variable used to set any of them resolves to null, not only is it not rendered, but any remaining whitespace is collapsed: Conditional attributes provide a nice addition to Razor allowing the Web Pages developer to manage scenarios that can result in messy spaghetti code in a much more succinct manner. checkbox I use a small helper method that will conditionally add an attribute if the value is non-empty, and, if defined, when a Boolean function expression evaluates to true:
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