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since: 19 Jan 2005

Silverlight v1.0 Beta vs. Silverlight 1.1 Alpha - Huh??

posted Wed 02 May 07

The short of the story is that Silverlight 1.0 applications don't support code-behind, they don't support making plain XML calls back to a web service (despite some other people's claims to the contrary, 1.0 will not let you do this!), and there is no real two-way binding (though you can set values of controls in response to events, which is what I call "old school" binding).

Silverlight 1.1, however.. now this whole project is actually starting to show some promise. For starters, Silverlight 1.1:

  • Supports communication via XML over HTTP, which makes it ideal for "RESTy POX". Note that the 1.1 alpha version doesn't allow cross-domain access, so you'll still have to drop in server-side service proxies for accessing remote services (which is actually more secure anyway....)
  • You can write "code behind" your Silverlight apps in C# or VB.NET
  • You can write your Silverlight apps using the Dynamic Language Runtime, which means you get to use VB9 or IronPython.
  • Still has all the rich media/video support that Silverlight 1.0 has
  • Create a "Silverlight" project from Visual Studio "Orcas" Beta 1.

I'm going to be looking into this further and will be posting my thoughts on it, but now that we can finally play with a "real" version of Silverlight, we can hopefully stop the insanity that was the 1.0 version.

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1. Craig left...
Wed 02 May 07 9:10 pm

So if they don't support Linux I bet adoption is going to be a bitch, I mean non of my clients would ever use it just because of that ....


2. Kevin Hoffman left...
Thu 03 May 07 6:24 am

I hear that argument quite a bit. It's unfortunate that there is no current Linux version of the DLR..but, how much you want to bet that people like the Mono project are going to produce their own version of the DLR and make it run on Linux? That's my hope anyway, providing Microsoft hasn't made that illegal.

However, one HUGE bonus for me is that it runs on OS X. I can even remote debug Safari on the Mac from Visual Studio on the PC.


3. Chuck left...
Fri 04 May 07 2:45 am

I'm still not clear: How is this actually preferable to the existing technologies in this area? It looks to me a bit like, "Hey, we came out with this really cool maps site where you can just drag the map around and ask for directions with natural English searches! It doesn't actually work right yet, but isn't that just neat and revolutionary?"


4. Kevin Hoffman left...
Fri 04 May 07 6:35 am

Silverlight 1.0 is what you're talking about. Silverlight 1.1 _alpha_ is where the real meat is - .NET that runs on OS X and Windows, WPF/XAML, XML support, REST/POX service support, media streaming support. It's certainly a good thing if you're planning on building an RIA and you want to leverage the existing .NET abilities of your developers.


5. Dan Tinnes left...
Sat 05 May 07 2:03 am

Kevin Hoffman, you hear that argument quit a bit because the Linux zealots are spastic over their platform. The reality is that client Linux market share is so small to be irrelevant. It just never took off no matter what these people spew all over blogs/forums.

But don't worry, once the Mono team has implemented Silverlight for Linux, they'll be on to bitching about something else. That's what they're good at. It's already started with the zealots screaming that there's no Visual Studio for Linux.

The best thing to do is just ignore these morons.


6. Mike H left...
Mon 21 May 07 5:53 pm :: http://www.hestness.com/blog

I don't see anything revolutionary, but being a .Net developer this opens up a whole new avenue of development for me. I have done some flash development in the past but have always found myself getting the .Net projects because that is where my main skills have been. Now that there is silverlight I can get up to speed on this and leverage what I already know. For me it's pretty exciting.


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