for (var i = 0; i < tasks.Length; i++)
                {
                    var tempCount = Math.Floor(list.Count * 1.0 / tasks.Length);
                    var tempList = list.GetRange((int)(i * tempCount), i < tasks.Length - 1 ? (int)(tempCount) : (listCount - (int)(i * tempCount)));
                    //tasks[i] = System.Threading.Tasks.Task.Factory.StartNew(() =>
                    //tempList.ForEach(o =>
                    //{
                    //    dynamic obj = new ExpandoObject();
                    //    obj.CName = o.CName;
                    //    obj.EName = o.EName;
                    //    obj.StudentId = o.StudentId;
                    //    returnList.Add(obj);
                    //}));

                    tasks[i] = System.Threading.Tasks.Task.Factory.StartNew(() =>
                    {
                        Thread.Sleep(1000);
                        tempList.ForEach(o =>
                        {
                            dynamic obj = new ExpandoObject();
                            obj.CName = o.CName;
                            obj.EName = o.EName;
                            obj.StudentId = o.StudentId;
                            returnList.Add(obj);
                        });
                    });
                }
                if (System.Threading.Tasks.Task.WaitAll(tasks, -1))
                {
                    var count = 1;
                    foreach (var task in tasks)
                    {
                        if (task.IsCompleted)
                        {
                            count++;
                        }
                    }


                }