private void ERListFill()
        {
            using (db = new MyDBContext())
            {
                db.EnergyResources.Load();

                var qry2 = from o in db.EnergyResources
                           where o.IsActual == 1
                           where o.IsPrime == 0
                           select new
                {
                    o.Id,
                    o.Name
                };
                ERList.Clear();
                foreach (var row in qry2)
                {
                    ERList.Add(new EnergyResource()
                    {
                        Id   = row.Id,
                        Name = row.Id + "_" + row.Name
                    });
                }
            }
        }
        private void ERListFill()
        {
            using (db = new MyDBContext())
            {
                db.EnergyResources.Load();

                var qrySource = from o in db.EnergyResources.ToList()
                                select new EnergyResource
                {
                    Id       = o.Id,
                    Name     = o.Name,
                    Unit     = o.Unit,
                    IsPrime  = o.IsPrime,
                    IsMain   = o.IsMain,
                    IsActual = o.IsActual
                };
                ERList.Clear();
                ERList = Global.ObservableCollection <EnergyResource>(qrySource);
            }
        }