public async Task <IActionResult> Edit(int id, [Bind("PhoneNumber,EmployeeId")] PhoneLineEmployee phoneLineEmployee)
        {
            if (id != phoneLineEmployee.PhoneNumber)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(phoneLineEmployee);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!PhoneLineEmployeeExists(phoneLineEmployee.PhoneNumber))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["EmployeeId"]  = new SelectList(_context.Employees, "EmployeeId", "EmployeeId", phoneLineEmployee.EmployeeId);
            ViewData["PhoneNumber"] = new SelectList(_context.PhoneLines, "PhoneNumber", "PhoneNumber", phoneLineEmployee.PhoneNumber);
            return(View(phoneLineEmployee));
        }
        public async Task <IActionResult> Create([Bind("PhoneNumber,EmployeeId")] PhoneLineEmployee phoneLineEmployee)
        {
            if (ModelState.IsValid)
            {
                _context.Add(phoneLineEmployee);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            ViewData["EmployeeId"]  = new SelectList(_context.Employees, "EmployeeId", "EmployeeId", phoneLineEmployee.EmployeeId);
            ViewData["PhoneNumber"] = new SelectList(_context.PhoneLines, "PhoneNumber", "PhoneNumber", phoneLineEmployee.PhoneNumber);
            return(View(phoneLineEmployee));
        }