public ActionResult BurndownCharts(BurndownChartViewModel model)
        {
            List<Project> allProject = unitOfWork.ProjectRepository.GetAll();
            ViewBag.allProject = allProject;

            if (model.ProjectID != null)
            {
                List<Sprint> sprintList = unitOfWork.SprintRepository.AllByProjectID(model.ProjectID);

                ViewBag.SprintList = sprintList;
            }

            else
            {

            }


            return View(model);
        }
        /// <summary>
        /// List of Sprint against project for burndown chart
        /// Mahedee @17-03-14
        /// </summary>
        /// <returns></returns>
        public ActionResult BurndownCharts()
        {
            //List<Sprint> sprintList = unitOfWork.SprintRepository.AllByProjectID(1);
            List<Project> allProject = unitOfWork.ProjectRepository.GetAll();

            ViewBag.allProject = allProject;
            BurndownChartViewModel model = new BurndownChartViewModel();
           // ViewBag.SprintList = sprintList;
            return View(model);
        }