Problem with c# constructors

Question

Using Asp.Net-MVC music store tutorial, concrete page is at :

http://www.asp.net/mvc/tutorials/mvc-music-store-part-3

<ul>    
    @foreach (var genre in Model)  
    {  
        <li>
            @Html.ActionLink(genre.Name,"Browse", new { genre = genre.Name })
        </li>  
    }  
</ul>

Variable genre is reference for Object created in Controller Class which has one property - Name, and i can't menage to understand this new{genre=genre.Name} instantiation-assignment. Can someone give me a link or explanation of this language feature?

Oded · Accepted Answer · 2011-05-22 06:48:56Z

5

It is an object initializer, creating an anonymous type.

In this case, the anonymous type has a genre string property, initialized to the enclosing genre.Name property.

The naming in this code sample is a bit poor and can be confusing.

answered May 22, 2011 at 6:48

Oded

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2 Comments

streetspirit Over a year ago

Thx man, renamed that property of anonymous type to be location_id for now. Cool, so when it comes to anonymous types i can define them without following declaration and use them as some kind of short life helper types. Do correct me if wrong.

Oded Over a year ago

@streetspirit - short lived types is indeed one of the use cases for anonymous types (very useful in LINQ).

Euphoric · Accepted Answer · 2011-05-22 06:51:04Z

2

That looks like Anonymous type.

answered May 22, 2011 at 6:51

Euphoric

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