public string Get(string Code, string Type)
        {
            ManageSQLConnection manageSQLConnection = new ManageSQLConnection();
            DataSet             ds = new DataSet();
            List <KeyValuePair <string, string> > sqlParameters = new List <KeyValuePair <string, string> >();
            ManageStock manageStock = new ManageStock();

            try
            {
                sqlParameters.Add(new KeyValuePair <string, string>("@Type", Type));
                sqlParameters.Add(new KeyValuePair <string, string>("@Code", Code));
                ds = manageSQLConnection.GetDataSetValues("GetCommodityPB", sqlParameters);
                var result = manageStock.GetPhycialBalance(ds);
                return(JsonConvert.SerializeObject(result));
            }
            finally
            {
                ds.Dispose();
            }
        }