public async Task <IActionResult> Edit(int id, [Bind("LaunchStaffScheduleID,launchID,staffID")] LaunchStaffSchedule launchStaffSchedule)
        {
            if (id != launchStaffSchedule.LaunchStaffScheduleID)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(launchStaffSchedule);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!LaunchStaffScheduleExists(launchStaffSchedule.LaunchStaffScheduleID))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["launchID"] = new SelectList(_context.Launches, "LaunchID", "LaunchID", launchStaffSchedule.launchID);
            ViewData["staffID"]  = new SelectList(_context.Staffs, "staffID", "staffID", launchStaffSchedule.staffID);
            return(View(launchStaffSchedule));
        }
        public async Task <IActionResult> Create([Bind("LaunchStaffScheduleID,launchID,staffID")] LaunchStaffSchedule launchStaffSchedule)
        {
            if (ModelState.IsValid)
            {
                _context.Add(launchStaffSchedule);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            ViewData["launchID"] = new SelectList(_context.Launches, "LaunchID", "LaunchID", launchStaffSchedule.launchID);
            ViewData["staffID"]  = new SelectList(_context.Staffs, "staffID", "staffID", launchStaffSchedule.staffID);
            return(View(launchStaffSchedule));
        }