public ActionResult ViewDeployment()
        {
            if (HttpContext.Session.GetString("Role") == "Part-timer")
            {
                return(RedirectToAction("Index", "Home"));
            }
            ViewData["DeploymentType"] = GetDeploymentType();
            ViewData["MerchantType"]   = GetMerchantType();

            List <Deployment> deployments = staffContext.GetAllDeployment();

            return(View(deployments));
        }