第一个Json.Net Demo

  //序列化
       private void btnShow_Click(object sender, EventArgs e)
         {
             DataTable dt = new DataTable();
             DataColumn dcName = new DataColumn("Name");
             DataColumn dcAge = new DataColumn("Age");
             DataColumn dcCity = new DataColumn("City");

             dt.Columns.Add(dcName);
             dt.Columns.Add(dcAge);
             dt.Columns.Add(dcCity);
             for (int i = ; i < ; i++)
             {
                 DataRow dr = dt.NewRow();
                 dr[] = "Name" + i;
                 dr[] = "Age" + i;
                 dr[] = "City" + i;
                 dt.Rows.Add(dr);
             }
             string json = JsonConvert.SerializeObject(dt);
             Console.WriteLine(json);
             richTextBox1.Text = json;
         }
         //反序列化
       private void button1_Click(object sender, EventArgs e)
         {
             string json = richTextBox1.Text;
             DataTable dt1 = JsonConvert.DeserializeObject<DataTable>(json);
             for (int i = ; i < dt1.Rows.Count; i++)
             {
                 DataRow dr = dt1.Rows[i];
                 Console.WriteLine("{0}\t{1}\t{2}\t", dr[], dr[], dr[]);
             }
             dataGridView1.DataSource = dt1;
         }