public DepartmentModel UpdateDept(DepartmentModel model)
{
//var isExist = _context.Departments.Where(n => n.DeptId == model.DeptId).FirstOrDefault();
//if (isExist == null) throw new Exception("user not found");
var deptInDb = _context.Departments.Find(model.DeptId);
if (deptInDb == null)
{
throw new Exception("not found");
}
var entity = model.Edit(deptInDb, model);
_context.Entry(entity);
_context.SaveChanges();
return(model);
}