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Sunday, December 16, 2007

Only one instance of a ScriptManager can be added to the page.

Error message "Only one instance of a ScriptManager can be added to the page." when trying to access my web application. Compiled have no error.



The reason for this error is i have include more than one (my case is two) ScriptManager in the same page. In my case in master page and in another page (login.aspx) that include master page.

To solve it, simple remove the ScriptManager in login.aspx. Problem solved.

3 comments:

London Calling said...

Hello. I have the same problem and I came across your blog.
I`m using user controls inside user controls. so I cant remove any of the scripmanagers control...

The only solution that I got was to remove all scriptmanagers and add only one to the MastePage.

Problem solve!

Chears.

Anonymous said...

Opulently I agree but I about the post should prepare more info then it has.

Shankar Purohit said...

Thanx Bro Your Post really help me

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