public ActionResult ViewPastRequisitions(string sessionId)
{
Employee emp = EmployeeService.GetUserBySessionId(sessionId);
long deptId = emp.DeptId;
List <Requisition> requisitions = RequisitionService.DisplayPastRequisitions(deptId);
requisitions.Sort((x, y) => DateTime.Compare(y.DateOfRequest, x.DateOfRequest));
bool all = DelegateService.CheckPreviousHeadForNav(deptId);
bool permanentHead = ((emp.EmpRole == "HEAD" && emp.EmpDisplayRole == "HEAD") || (emp.EmpRole == "EMPLOYEE" && emp.EmpDisplayRole == "HEAD"));
ViewData["all"] = all;
ViewData["permanentHead"] = permanentHead;
ViewData["pastRequisitions"] = requisitions;
ViewData["sessionId"] = sessionId;
return(View());
}