public IActionResult EditLab(RenameLab item)
 {
     try
     {
         UnitOfWork.Labs.Update(item);
         return(RedirectToAction("LabsOnDisciplineList", new { discipline_id = item.DisciplineId }));
     }
     catch
     {
         ModelState.AddModelError(string.Empty, "Не удалось изменить лабораторную");
         return(View(item));
     }
 }
        public IActionResult EditLab(int id)
        {
            var lab = new RenameLab(UnitOfWork.Labs.Get(id));

            return(View(lab));
        }