public void GetFieldName_Test() { var itm = new CustomItem(); var fieldName = itm.GetFieldName(ci => ci.Тыдыщ); Assert.That(fieldName, Is.EqualTo("_x0422__x044b__x0434__x044b__x04")); fieldName = Item.GetFieldName <CustomItem>(c => c.Тыдыщ); Assert.That(fieldName, Is.EqualTo("_x0422__x044b__x0434__x044b__x04")); }