Json

JSON

사이트 링크

• json Validator
• Json.Net

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Services;
using System.Data.SqlClient;
using Newtonsoft.Json;
using System.Data;
using System.Web.Script.Services;
 
public partial class Serialization : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        SelectMethod();
    }
    [WebMethod]   
    public static string SelectMethod()
    {
        SqlConnection con = new SqlConnection("Data Source=.; Initial Catalog=TestDB; User ID=sa; Password=Micr0s0ft");
        {
            SqlCommand cmd = new SqlCommand("select * from TestTable", con);
            {
                SqlDataAdapter sqlDa = new SqlDataAdapter(cmd);
                DataTable dt = new DataTable();
                sqlDa.Fill(dt);
                string test = JsonConvert.SerializeObject(dt); // Serialization
                //JsonConvert.DeserializeObject(test);
                DataTable dtt = (DataTable)JsonConvert.DeserializeObject(test, dt.GetType());
                return test;
            }
        }
    }
}