ajax working in one project but not the other

hello experts I have an intresting problem....

I have ajax working in one project but it will not work in another.
1. I followed the refernces to ajak and see that it is still pointing to the same DLL
2. I copied the Registry assembly from the working project to the non working one
i.e "<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="asp" %>"

I need suguestions please
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Ramkisan JagtapConnect With a Mentor Lead DeveloperCommented:
check web.config for dll reference. Compare with working one.
HawaiiDragonAuthor Commented:
Neither have a web config
HawaiiDragonAuthor Commented:
And checking properties in the refrences everything matches~!!!
HawaiiDragonAuthor Commented:
free points!!!!
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