Need help with ajax dropdown on multiple columns selection.

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Hi experts

I have some problem when executing some code to create a dropdown selection menu with ajax dropdown on multiple columns it shows the error message "The control with ID 'HoverMenuExtender1' requires a ScriptManager on the page. The ScriptManager must appear before any controls that needs it.". How can I get rid of it.

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Answered By 0 points N/A #152926

Need help with ajax dropdown on multiple columns selection.

qa-featured

 

Hello there,
 
The piece of  the problematic code would be of a great use to help you solve the problem. 
 
Anyhow, the problem is most likely in the version of the toolkit you are using. I assume you're using the normal script manager, and if that's the problem, please, move to the toolkitscriptmanager as that will solve the issue.
 
To do so, simply rewrite the previous AJAX toolkit with the new one, and at the top of your code add this line:
 
<asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server"></asp:ToolkitScriptManager> 

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