form1.cs

我们刚刚学的内容,挺有用的,希望大家指导一下,我很高兴能将我的资源在此共享

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

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

        private void Form1_Load(object sender, EventArgs e)
        {
            dataGridView1.DataSource = DBHelper.executeQueryDs("select * from book").Tables[0];

          
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string sql = string.Format("insert into users values('{0}','{1}')",    textBox1.Text,textBox2.Text );
            DBHelper.executeUpdate(sql);


            dataGridView1.DataSource = DBHelper.executeQueryDs("select * from users").Tables[0];
  
            



        }
    }
}