運行結(jié)果

無標(biāo)題.png

代碼

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

namespace WindowsFormsApp3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            //實例化SqlConnection變量conn,連接到數(shù)據(jù)庫
            string conString = "server=.;database=test;uid=sa;pwd=sa;";
            SqlConnection conn = new SqlConnection(conString);
            //創(chuàng)建SqlDataAdapter對象s
            SqlDataAdapter s = new SqlDataAdapter("select * from student", conn);
            //創(chuàng)建DataSet對象d
            DataSet d = new DataSet();
            //使用Fill方法填充DataSet
            s.Fill(d, "t");
            //在DataGridView1控件中顯示表t
            dataGridView1.DataSource = d.Tables["t"];
            
            //設(shè)置控件只讀
            dataGridView1.ReadOnly = true;
            //dataGridView默認(rèn)點擊列就可以排序，所以不需要任何代碼
        }
    }
}