override async public Task<bool> DeletePositionAsync (int index , BusinessLayer.User user)
{
DataAccessLayer.DAL_Bestellung dal_Bestellung = new DataAccessLayer.DAL_Bestellung();
DataAccessLayer.ReturnValue result = await dal_Bestellung.DeletePositionAsync(this.Positions[index], user);
if ( result.Success == DataAccessLayer.SOAResult.TRUE)
{
this.Wert = result.Nummer;
this.Positions.RemoveAt(index);
return true;
}
else
return false;
}
