As I already blogged about the dynamic keyword and it's power, what was very interesting was to see how MVC 3 leverages the DLR infrastructure that is now included with .NET 4.0.
What was very cool was to see some of the new features of MVC 3 leveraging things such as strongly typed views in the controller. Before your code may have looked like this ViewData["Mydata"] = "Sean's Data".
With MVC 3 you now have another object called ViewModel.YourField. Where "YourField" would represent a dynamic value of any attribute on your model that is determined at runtime. Very cool!!! The only downside is that you do not have the intelli-sense, but given that you can flexibility a very nice feature added.
DLR Sidebar
So what is the DLR???? DLR stands for Dynamic Language Runtime and runs on top of the CLR or Common Language Runtime. A very nice read on the DLR. http://msdn.microsoft.com/en-us/magazine/ff796223.aspx.
Also included is a link to my blog entry for the dynamic keyword. .NET 4.0 "dynamic" keyword versus, "var" keyword - anonymous types
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