public IORMapper GetEntityAccesser(EntityAccesserType accesserType, string connectionString)
		{
			switch (accesserType)
			{
				case EntityAccesserType.SqlServer:
					return new SqlServerORMapper(connectionString);
				default:
					throw new NotSupportedException();
			}
		}
        public IORMapper GetEntityAccesser(EntityAccesserType accesserType, string connectionString)
        {
            switch (accesserType)
            {
            case EntityAccesserType.SqlServer:
                return(new SqlServerORMapper(connectionString));

            default:
                throw new NotSupportedException();
            }
        }