public JsonResult AssignEmployeeForTask(int employeeId, int taskId) { Task assignTask = (Task)TempData["task"]; // int taskId = assignTask.TaskId; int value = -1; value = leader.AssignEmployeeForTask(assignTask.TaskId, employeeId, assignTask.AssignDate, assignTask.Deadline); TempData["task"] = assignTask; return(Json(value)); }