Hi Simon,
For calling server-side function from page client(without postback),
ASP.NET 2.0 standard runtime has provided a feature called client script
callback. It require you to add some code to emit the script reference into
page's client. Here are some reference introducing this:
#Script Callbacks in ASP.NET 2.0
http://www.developer.com/net/asp/article.php/3485991
#Implementing Client Callbacks Programmatically Without Postbacks in
ASP.NET Web Pages
http://msdn2.microsoft.com/en-us/library/ms178208.aspx
Sure, ASP.NET ajax provide a more powerful framework that can help you call
server-side functions( static method in page or webservice) from client
script. If your application is ready to adopt AJAX framework, it's the
preferred choice. Here is a web video tutorial about calling server-side
functions from client:
#How Do I: Make Client-Side Network Callbacks with ASP.NET AJAX?
http://asp.net/learn/ajax-videos/video-79.aspx
you can find more information about ASP.NET ajax on the official site:
http://asp.net/ajax/
Sincerely,
Steven Cheng
Microsoft MSDN Online Support Lead
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