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Multiple controls with the same ID 'ctl00' were found. FindControl requires that controls have unique IDs.

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Jackuline S
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Jackuline S asked on 12 Nov 2009, 09:48 AM
Hi,

I'm using radGrid and radcombo boxes and .net buttons.
After the page is loaded first time, if i click the button first time it is working properly. If i click the same button or any other button then the error "Multiple controls with the same ID 'ctl00' were found. FindControl requires that controls have unique IDs." is coming.
In the header i'm using script manager. So please help me to solve this.

Thanks.

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Pavlina
Telerik team
answered on 13 Nov 2009, 04:04 PM
Hi Jackuline,

I am afraid that the provided information is not enough to determine what have cased this error. Could you please provide more information about your problem and your project setup? It will be best if you send us the problematic page.

All the best,
Pavlina
the Telerik team

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