public override bool Update()
{
DateTime?demontaz = null;
if (DatumDemontaze != "")
{
demontaz = DateTime.Parse(DatumDemontaze);
}
return(UseDbMethod(Databaza.UpdateLampaNaStlpe(IdLampy, Cislo, IdTypu, Stav, DatumInstalacie, demontaz)));
}