package main import (         "encoding/json"         "fmt"         "io/ioutil" ) type product struct {         Productid string         Productname string         Unitcost float32         Status string         Listprice float32         Attr1 string         Itemid string } type grid struct {         Total int         Rows []product } func main() {         var grid grid         data, err := ioutil.ReadFile("datagrid_data1.json")         if err != nil {                 fmt.Println("ReadFile:", err.Error())         }         json.Unmarshal(data, &grid)         fmt.Println(grid)         fmt.Println("----------------------------")         b, _ := json.Marshal(grid)         fmt.Println(string(b)) }