asp.net mvc - Getting Null Exception at UserManager.GetRoles(Convert.ToInt32(userid)) -

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exception: object reference not set instance of object.

  {system.nullreferenceexception: object reference not set instance of object. @ system.web.httpcontextextensions.getowinenvironment(httpcontext context) @ system.web.httpcontextextensions.getowincontext(httpcontext context)

you did not instantiate usermanager, trying use static class not.

use new keyword (how create instance of usermanager).


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