Re: [flexcoders] ASP.NET and Flex2

[Clint Modien]

1. Is it necessary for me to use FDS to send and return data to the
flex clients and what can you only do using FDS that can't be achieved
using web services?Not "necessary" no.  The sweetest thing about using FDS is using the data synchronization features.  You can essentially create CRUD code for objects in your system and FDS can "synchronize" the data server side and client side.  Meaning you can have 1 client update data and have that data get pushed down to the server... persisted to a database and at the same time "pushed" out to other clients for real time updates.  You can't do this "without" FDS.

2. Can you pass strongly typed objects into and out of flex using .net
webservices?Yes. (mostly)  When you pass objects via a webservice into AS3 the (Objects) themselves aren't strongly typed.  They're just generic objects graphs that you can "dot down" through.  MyAs3Obj.someCollection
[0].someProperty.  The nice thing about remoting is that you can pass back "typed" AS3 objects so you get compile time checking in FlexBuilder against custom as3 classes that you write that are mirror images of your typed objects on the server.  When you "dot down" throug generic object graphs you can "mistype" the name.  This isn't quite as big a deal as it used to be in AS2.  In AS2 we used to get silent failures at runtime (took forever to debug).  But in AS3 we get runtime errors so that when you get a null reference exeception it yells at you in the debug player (not in the release player).  There is a beta implementation of AS3 Remoting/ FDS in .NET called weborb.  
http://www.themidnightcoders.com/
3. Does flash allow for file-based video streaming without using a
specialised server?Yes.
4. Can I use flash remoting to communicate with my .net back-end?Yes.  Although it isn't necessary as you can use weborb.On 7/24/06, 
prendergastjames <[EMAIL PROTECTED]> wrote:













  


    
            Hi, 
I'd like to apologise if this request is a little too open ended
before I get started... so here it is: sorry.

I'm developing an asp.net web application. The client is keen - quite
late in the day I might add - to use Flex for the interface for it's
ability to provide flexible and robust components. I want to be able
to keep the Data Layer and Business Objects that I've been hacking
away at in .net. 

I've had a little time to evaulate flex and have succesfully accessed,
modified and returned data using strongly typed .net objects, however
my actionscript knoweldge only dates back to Flash 5 so I've hit the
first slopes of the learning curve.  

I'm basically asking if anyone can give me any guidance on the following:
1. Is it necessary for me to use FDS to send and return data to the
flex clients and what can you only do using FDS that can't be achieved
using web services?
2. Can you pass strongly typed objects into and out of flex using .net
webservices?
3. Does flash allow for file-based video streaming without using a
specialised server?
4. Can I use flash remoting to communicate with my .net back-end?

Thanks,


      

    
    












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