[Solved] Models namespace not working in ASP.Net MVC Controller

I have Project in MVC Name WebApplication3, i am calling NameSpace in Controller, but it is not working or not calling

using WebApplication3.Models;

aslo added in View Config file

<namespaces>
    <add namespace="System.Web.Mvc" />
    <add namespace="System.Web.Mvc.Ajax" />
    <add namespace="System.Web.Mvc.Html" />
    <add namespace="System.Web.Optimization"/>
    <add namespace="System.Web.Routing" />
    <add namespace="WebApplication3" />
    <add namespace="WebApplication3.Models" />
</namespaces>