>Anyone using Angular. Working through the Pluralsight class and it looks interesting - seems to model the presentation, business, and data layers in a way that seems logical an familiar to be albeit a little early to tell.
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>Also, any experiences in using Webstorm - the Jetbrains Javascript IDE? As I'm wrapping my head around all the new stuff I find myself increasing thinking SQL Server EF all the way to a web service - Web API and then talking to it entirely from javascript app.
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>I seems that way you can still do heavy server side crunching with TSQL and get all the UI goodies and clientside business rules on the javaside in a platform independent way.
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>I'd love to hear from anyone who has experience of both Knockout and Angular (or who is wandering around in it all like I am :-)

I worked on a project a while back where we looked at angular and Knockout and, after a somewhat perfunctory look at both, plumped for angular - but, TBH, I can't remember what swayed the decision - I think the possible advantages of angular directives was one factor. Having worked with WPF I liked the MVVM pattern but actually pulled out of the project about 4 months ago (based on misgivings about achievability) so don't know how it's progressing :-{

Client side business rules are fine - but for a robust app they still need to be duplicated on the server side which leads to a lot of code duplication and the associated problems of keeping the rules in sync. I've used angular with WebAPI (and SignalR) on a subsequent smaller job - but with a MongoDB backend.

Not much there in the way of specifics I'm afraid - but I agree with all of Rick's points....