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<b><big>The control with ID 'ControlID' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.</big></b>
Posted 14-Jun-11 0:20am
Comments
Christian Graus at 14-Jun-11 6:24am
   
The error is in plain English, it means what it says. Try buying a book or reading the manual
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Solution 1

Seems like you are trying to use any of the AJAX based control on your webpage. In order to use them, you need to put 'ScriptManager' control your webpage - it handles the AJAX based scripts and workflow.
 
From your toolbox, drag drop a script manager on the webpage at the of page design.
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Comments
RakeshMeena at 14-Jun-11 6:27am
   
My 5!
thatraja at 14-Jun-11 7:11am
   
Spot on, 5!
Prasanta_Prince at 14-Jun-11 9:18am
   
Good one.
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Solution 2

somewhere on your web page you have used ajax control. So in your page where ever you have placed that ajax control just put Script Manager control anywhere above that ajax control in that page.
 
Script manager is ajax Control and will not get displayed on run time.
It basically contains the parent classes which underlying ajax controls will use.
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0 OriginalGriff 6,649
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