varoldData=MyMySqlConnection._connection.QueryFirstOrDefault<dc_base_amazon_fee>(" select id from dc_base_amazon_fee where data_id=@data_id ",new{data_id=transferFee.data_id});
varoldData=MyMySqlConnection._connection.QueryFirstOrDefault<dc_base_amazon_fee>(" select * from dc_base_amazon_fee where data_id=@data_id ",new{data_id=transferFee.data_id});