1  //序列化 2       private void btnShow_Click(object sender, EventArgs e) 3         { 4             DataTable dt = new DataTable(); 5             DataColumn dcName = new DataColumn("Name"); 6             DataColumn dcAge = new DataColumn("Age"); 7             DataColumn dcCity = new DataColumn("City"); 8  9             dt.Columns.Add(dcName);10             dt.Columns.Add(dcAge);11             dt.Columns.Add(dcCity);12             for (int i = 0; i < 10; i++)13             {14                 DataRow dr = dt.NewRow();15                 dr[0] = "Name" + i;16                 dr[1] = "Age" + i;17                 dr[2] = "City" + i;18                 dt.Rows.Add(dr);19             }20             string json = JsonConvert.SerializeObject(dt);21             Console.WriteLine(json);22             richTextBox1.Text = json;23         }24         //反序列化25       private void button1_Click(object sender, EventArgs e)26         {27             string json = richTextBox1.Text;28             DataTable dt1 = JsonConvert.DeserializeObject<DataTable>(json);29             for (int i = 0; i < dt1.Rows.Count; i++)30             {31                 DataRow dr = dt1.Rows[i];32                 Console.WriteLine("{0}\t{1}\t{2}\t", dr[0], dr[1], dr[2]);33             }34             dataGridView1.DataSource = dt1;35         }