从localhost中删除方法可以工作得很好，但是从IIS中删除方法不能工作-web api

I'm trying to Delete an object from database; I have an UI layer and a Service layer, I have loaded the UI and the Service separately on IIS.I am using asp.net web api and i send the request with http delete method.So when i run services(with f5)and send the delete request to I'm trying to Delete an object from database; I