public JsonResult AddSprint([FromBody] Sprint sprint)
        {
            CommonResponse cr = new CommonResponse();

            try
            {
                var a = DataAccess.Instance.CommonServices.IsExist("Task_Sprint", "SprintTitle = '" + sprint.SprintTitle + "' ");
                if (a)
                {
                    throw new Exception("Sprint Already Exist.");
                }
                sprint.StartDate = Convert.ToDateTime(sprint.SprintStartDate);
                sprint.EndDate   = Convert.ToDateTime(sprint.SprintEndDate);
                sprint.AddDate   = DateTime.Now;
                sprint.AddBy     = User.Identity.Name;
                sprint.SetDate();
                _context.Sprint.Add(sprint);
                _context.SaveChanges();
            }
            catch (Exception ex)
            {
                cr.message = ex.Message;
                cr.results = Constant.FAILED;
            }
            return(new JsonResult(cr));
        }