Users.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

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

namespace BookShopTuto
{
    public partial class Users : Form
    {
        public Users()
        {
            InitializeComponent();
            Populate();
        }

        private void Populate()
        {
            try
            {
                Con.Open();
                string query = "select * from UserTb1";
                SqlDataAdapter sda = new SqlDataAdapter(query, Con);
                SqlCommandBuilder builder = new SqlCommandBuilder(sda);
                var ds = new DataSet();
                sda.Fill(ds);
                UserDGV.DataSource = ds.Tables[0];
                Con.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void Reset()
        {
            UNameTb.Text = "";
            UPhoneTb.Text = "";
            UAddrTb.Text = "";
            UPwdTb.Text = "";
        }

        SqlConnection Con = new SqlConnection(@"Data Source=.;Initial Catalog=WhiteBookShopDb;Integrated Security=True;");

        private void SaveBtn_Click(object sender, EventArgs e)
        {
            if (UNameTb.Text == "" || UPhoneTb.Text == "" || UAddrTb.Text == "" || UPwdTb.Text == "")
            {
                MessageBox.Show("信息缺失！！！");
            }
            else
            {
                try