数据集

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            DataSet ds = new DataSet();

            string strCon = "Data Source=ahxh-02;Initial Catalog=CarsInsurance;Integrated Security=True";
            SqlConnection connection = new SqlConnection(strCon);
            connection.Open();

            string strSql = "select * from dbo.CarsInformation";
            SqlDataAdapter adapter = new SqlDataAdapter(strSql, connection);
            adapter.Fill(ds);


            DataTable dt = ds.Tables[0];


            DataTable dt1 = new DataTable("CarInsurance");

            string strSql1 = "select * from dbo.CarInsurance";
            SqlDataAdapter adapter1 = new SqlDataAdapter(strSql1, connection);
            adapter1.Fill(dt1);

            ds.Tables.Add(dt1);

            this.dataGridView1.DataSource = ds.Tables[0];
            this.dataGridView2.DataSource = ds.Tables[1];


            this.dataGridView3.DataSource = dt1;






        }

       
    }
}