public class ChangeViewEngine : System.Web.Mvc.RazorViewEngine
  {
    public ChangeViewEngine(string controllerPathName,string viewName)
    {
      this.ViewLocationFormats = new[] {"~/Views/" + controllerPathName + "/" + viewName + ".cshtml" };
      
    }
  }

[AttributeUsage(AttributeTargets.Method | AttributeTargets.Class)]
  public class ChangeViewPathAttribute : ActionFilterAttribute
  {
    private string _controllerPath;
    private string _viewName;
    public ChangeViewPathAttribute(string controllerPath,string viewName)
    {
      this._controllerPath = controllerPath;
      this._viewName = viewName;
    }
    public override void OnResultExecuting(ResultExecutingContext filterContext)
    {
      //base.OnResultExecuting(filterContext);
      //ViewEngines.Engines.Clear();
      
      ViewEngines.Engines.Add(new ChangeViewEngine(_controllerPath,_viewName));
    }
  }

    [HttpPost]
    [Filter.ChangeViewPath("Invoice","Create")]
    public ActionResult PreInvoice(string strIds,bool flag)