Dynamic data change on clientside

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Hello people.
I am working on a project and I am very new to asp.net.The scenario is:
There is a asp.net dropdownlist on a page. Based on the selection made in the dropdownlist control, another TextBox's content will change with no post back to the server. This must be done on the client side.
How can I do it? Can anyone guide me to a beginners tutorial?
For kind info...I am using VisualStudio2008 with .net framework 3.5
Any help will be highly appreciated.

Posted 17-Oct-11 21:51pm

Pallab_GT

Updated 17-Oct-11 21:54pm

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Vivek Krishnamurthy · Accepted Answer · 2011-10-17T22:33:00

This can be achieved in different ways.

1. Using javascript (purely client side)
2. Using AJAX

Take a look at the MSDN article on Working with Client-side Script[^]. Since you are new to asp.net, its worth spending sometime.

Coming to your question, set the onchange attribute in codebehind page as

ddl.Attributes["onchange"] = "javaScriptFunctoChangeTextbox();";

And you add the javascript in the aspx page.