Cacher is the code snippet organizer for pro developers

/// <summary> Отображает контент представления для визуализации чек листа в задачах </summary>
        /// <param name="WorkflowInstance_Id"></param>
        /// <returns></returns>
        public string ViewHistory(long WorkflowInstance_Id)
        {
            var controllerContext = CreateController<CheckHistoryController>().ControllerContext;
            controllerContext.Controller.ViewData.Model = WorkflowInstance_Id;
            string Content = "";

            using (var sw = new StringWriter())
            {
                var viewResult = ViewEngines.Engines.FindPartialView(controllerContext, "/Modules/Sfmnt.Elma.ListTask.Web/Views/CheckHistory/ViewHistory.cshtml");
                var viewContext = new ViewContext(controllerContext, viewResult.View, controllerContext.Controller.ViewData , controllerContext.Controller.TempData, sw);
                viewResult.View.Render(viewContext, sw);
                viewResult.ViewEngine.ReleaseView(controllerContext, viewResult.View);
                Content = sw.GetStringBuilder().ToString();
            }

            return Content;
        }

        /// <summary>
        /// Creates an instance of an MVC controller from scratch 
        /// when no existing ControllerContext is present       
        /// </summary>
        /// <typeparam name="T">Type of the controller to create</typeparam>
        /// <returns></returns>
        private T CreateController<T>(RouteData routeData = null) where T : Controller, new()
        {
            T controller = new T();

            HttpContextBase wrapper = null;
            if (HttpContext.Current != null)
                wrapper = new HttpContextWrapper(System.Web.HttpContext.Current);

            if (routeData == null)
                routeData = new RouteData();

            if (!routeData.Values.ContainsKey("controller") && !routeData.Values.ContainsKey("Controller"))
                routeData.Values.Add("controller", controller.GetType().Name
                                                            .ToLower()
                                                            .Replace("controller", ""));

            controller.ControllerContext = new ControllerContext(wrapper, routeData, controller);
            return controller;
        }