Newbie: How do I create Dynamic instrument widgets in ASP.NET

J

Jules

Hello,

I want to create a dynamic web page, which presents various instrument
widgets (Temperatures, pressures, rpm gauges, speeds etc.) in a
browser, with continous data updates from Server side data. Obviously
these instruments need to be constantly refreshed (every 0.5 second or
so) and not just on page load.

With Windows Forms, and GDI I can do this with networked Thick Client
code. I can also do dynamic web instruments with Java Applets, and I
guess DHTML/Javascript. But I really want to do the instruments in C#
and .NET. But I don't think that I can achieve this, because http and
ASP.NET is based upon a page based paradigm. The new ASP.NEt is based
upon Server side controls, that won't refresh my instruments with live
data, once the page is downloaded. (Traditional DHTML/Javascript looks
like a real pain to develop instruments in.)

I am agreat fan of .NET technologies, but I was hoping for better MS
and .NET support for these instrument based web applications. But I
guess my only real choice is Java Applets !

Any suggestions on how I can achieve dynamic web instruments with .NET
technology would be appreciated.

Thanks

Jules
 
J

Joseph Byrns

There may well be other ways of acheiving this kind of thing, but you could
just refresh the image (in JS) representing the clock

or you could use the WebBehaviour stuff, this will allow you to connect to a
webservice on the server (using JS again) then you can update your clock or
gauge or whatever in the JS on the client.
 
B

Brock Allen

I'd say your requirements don't lend themselves to building a browser based
application. Consider building a traditional fat client app using ClickOnce
or NoTouch Deployment. A java applet is really no different.
 

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