c# - Question about use of new { } -


I am currently working my way through the Apress ASP.NET MVC2 book, and I am a little as a user Confused: new {returnUrl} : 

  PUBLIC READYRICATERouterResult RemovePromact (cart cart, int product ID, string return url) {product product = products repository.products . FirstOver Default (P => P. produced == Product ID); Cart.RemoveLine (product); Return Redirect Tax ("index", new {returnUrl}); }   
 Is it anything to create a new string instead of passing the reference of the passed parameter?  
 
 
 
 This is creating an anonymous type with a property  returnUrl  Em> value  is the  returnUrl . So it is like this:  
  var anon = new {returnUrl = returnUrl}; Return redirect rate ("index", return);   
 Using a name from expression to name the asset in an unknown type is called  launch launcher .  
 Will you explain it to everyone? If not, you may want to make amendments in general. They were introduced in C # 3, which were mostly for LINQ.

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