Question Cascading Dropdown List 1 to Dropdown List 2 using AJAx & WebService


New member
Mar 29, 2012
Programming Experience
Here I also included Script Manager & Update Panel as the AJAX Controls

Here i am having 2 dropdown lists in which an item displayed in Dropdown List1 should display the

appropriate options in Dropdown List 2 likeways If I select TV in Dropdown List 1 then it should display

TV.ON,TV.MUTE & TV.OFF only in Dropdown List 2 & using SQL table named TVOP as the backend.

I need all the whole thing using AJAX & ASP Controls

Please find a Solution For thiss issue

Please Help me how to create a WebService or any related Service File using ASP & AJAX
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