ASP.net scriptmanager and AJAX control

im making a username availability check in ASP.net using ajax updatepanel, but i keep getting the following error The control with ID ‘UserNameUP’ requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.] im using the create user wizard, to create a new user but i want to check if the …

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ASP.net scriptmanager and AJAX control

im making a username availability check in ASP.net using ajax updatepanel, but i keep getting the following error
The control with ID ‘UserNameUP’ requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.]
im using the create user wizard, to create a new user but i want to check if the user already exists, i have the following code in the aspx file



but i keep getting that error, can any one help
thanks
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Before your update panel, make sure you have a scriptmanager:


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Do you have a script manager inside a master page? That can cause the “Only one instance of a ScriptManager can be added to the page” error?
Or, if its DNN, there is one on each “page” by default.

For more info: ASP.net scriptmanager and AJAX control

Asp.Net Developed Tutorials » Search Results » ajax

ASP.net scriptmanager and AJAX control

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