c# bindingSource联合dataGridView显示数据

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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 WFAlianxi1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            const string connectionstring = "Data Source=.;Initial Catalog=student;User ID=sa;PassWord=shenbao";
            using (SqlConnection conn = new SqlConnection(connectionstring))
            {
                try
                {
                    conn.Open();
                    DataSet ds = new System.Data.DataSet();
                    SqlDataAdapter da = new SqlDataAdapter("select *from student", conn);
                    da.Fill(ds, "student");
                    da = new SqlDataAdapter("select *from score", conn);
                    da.Fill(ds, "score");
                    dataGridView1.AutoGenerateColumns = true;
                    bindingSource1.DataSource = ds;
                    bindingSource1.DataMember = "score";
                }
                catch (SqlException ex)
                {
                    MessageBox.Show("出现错误,{0}", ex.Message);
                }
                finally
                {
                    if (conn.State == ConnectionState.Open)
                    {
                        conn.Close();
                    }
                }
            }
        }
    }
}

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http://blog.csdn.net/nidexuanzhe/article/details/6024303