public IHttpActionResult PutEmployee(Employee employee)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.Entry(employee).State = EntityState.Modified;

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!EmployeeExists(employee.BusinessEntityID))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult PutDepartment(Department department)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.Entry(department).State = EntityState.Modified;

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!DepartmentExists(department.DepartmentID))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }
            return(StatusCode(HttpStatusCode.NoContent));
        }