public void UpdatePerson(PersonViewModel personViewModel)
		{
			UN_Persons per = this._databaseContext.UN_Persons.Single(a => a.id_person == personViewModel.id_person);

			per.Name = personViewModel.Name;
			per.Address = personViewModel.Address;
			per.EGN = personViewModel.EGN;
			per.GSM = personViewModel.GSM;
			
			this.Save();
		}
		public void AddPerson(PersonViewModel personViewModel)
		{
			UN_Persons per = new UN_Persons();

			per.Name = personViewModel.Name;
			per.Address = personViewModel.Address;
			per.EGN = personViewModel.EGN;
			per.GSM = personViewModel.GSM;

			this._databaseContext.UN_Persons.Add(per);
			this.Save();
		}