AJAX?

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Paulo - 10 Dec 2007 17:31 GMT

Hi, do you think AJAX must used on every system? His only advantage is
avoiding post-back on server? Any one who has experience using it ? Please
give some directions!

Thanks!

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Mark Rae [MVP] - 10 Dec 2007 17:50 GMT

> do you think AJAX must used on every system?

Absolutely not! One of the worst mistakes developers can make with a new
technology is to immediately go looking for uses for it where it's not
warranted...

> Is its only advantage avoiding post-back on server?

Pretty much. AJAX uses callbacks instead of postbacks, which means that the
entire page doesn't get refreshed...

> Any one who has experience using it?

Yes.

> Please give some directions!

Have you gone through the on-line samples...?
http://www.asp.net/ajax/ajaxcontroltoolkit/samples/

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Mark Rae
ASP.NET MVP
http://www.markrae.net

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David Wier - 10 Dec 2007 18:47 GMT

Also, there are quite a few Ajax "How Do I" type Videos:
http://www.asp.net/learn/ajax-videos/

David Wier
http://aspnet101.com
http://iWritePro.com - One click PDF, convert .doc/.rtf/.txt to HTML with no
bloated markup
http://aspexpress.com

> Hi, do you think AJAX must used on every system? His only advantage is
> avoiding post-back on server? Any one who has experience using it ? Please
> give some directions!
>
> Thanks!

Reply to this Message

Mark Rae [MVP] - 10 Dec 2007 19:25 GMT

> Also, there are quite a few Ajax "How Do I" type Videos:
> http://www.asp.net/learn/ajax-videos/

Yes, these are really good, and Joe doesn't say "go ahead and" too often
either... ;-)

Signature

Mark Rae
ASP.NET MVP
http://www.markrae.net

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David Wier - 10 Dec 2007 20:40 GMT

Yeah - I noticed that too

Plus - he's the first guy I've seen that, inside a DIV tag, added a CENTER
tag.

David Wier
http://aspnet101.com
http://iWritePro.com - One click PDF, convert .doc/.rtf/.txt to HTML with no
bloated markup
http://aspexpress.com

>> Also, there are quite a few Ajax "How Do I" type Videos:
>> http://www.asp.net/learn/ajax-videos/
>
> Yes, these are really good, and Joe doesn't say "go ahead and" too often
> either... ;-)

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Mark Rae [MVP] - 10 Dec 2007 21:13 GMT

>>> Also, there are quite a few Ajax "How Do I" type Videos:
>>> http://www.asp.net/learn/ajax-videos/
[quoted text clipped - 6 lines]
> Plus - he's the first guy I've seen that, inside a DIV tag, added a CENTER
> tag.

Ouch!

Signature

Mark Rae
ASP.NET MVP
http://www.markrae.net

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Peter Bromberg [C# MVP] - 10 Dec 2007 19:38 GMT

"AJAX" (Remote scripting) can and should be used judiciously, with a primary
view towards usability.

The people running the Codeplex.com site recently "AJAXIFIED" their search
and browser facility with AJAX, and they didn't ask themselves these simple
questions. it was a disaster. Fortunately, they've seen the light and have
now returned it to its original "non-AJAX" functionality, which worked just
fine before they started fiddling with it.
-- Peter
Site: http://www.eggheadcafe.com
UnBlog: http://petesbloggerama.blogspot.com
MetaFinder: http://www.blogmetafinder.com

> Hi, do you think AJAX must used on every system? His only advantage is
> avoiding post-back on server? Any one who has experience using it ? Please
> give some directions!
>
> Thanks!

Reply to this Message

Steve C. Orr [MCSD, MVP, CSM, ASP Insider] - 10 Dec 2007 23:25 GMT

No it's not necessary on every system.
If you want your system to be cutting edge, however, then it might start to
become necessary.
I've outlined some AJAX techniques here:
http://SteveOrr.net/articles/Ajax.aspx
http://SteveOrr.net/articles/WebChat.aspx

For a more detailed look at Microsoft's new ASP.NET AJAX framework I'd
suggest my new book:
"Beginning ASP.NET 2.0 AJAX"
http://www.amazon.com/gp/redirect.html?ie=UTF8&location=http%3A%2F%2Fwww.amazon.
com%2FBeginning-ASP-NET-AJAX-Wallace-McClure%2Fdp%2F0470112832%2Fsr%3D1-1%2Fqid%
3D1165647691%3Fie%3DUTF8%26s%3Dbooks&tag=steveorrnet-20&linkCode=ur2&camp=1789&c
reative=9325

Signature

I hope this helps,
Steve C. Orr,
MCSD, MVP, CSM, ASPInsider
http://SteveOrr.net
http://iPhonePlaza.net

> Hi, do you think AJAX must used on every system? His only advantage is
> avoiding post-back on server? Any one who has experience using it ? Please
> give some directions!
>
> Thanks!

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