Forms/SignUp.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.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Vender.Forms
{
    public partial class SignUp : Form
    {
        private DBConnect dBCon = new DBConnect();
        public SignUp()
        {
            InitializeComponent();
            
        }

        //
        /// <summary>
        /// Sign Up function
        /// </summary>
        public void signUp()
        {
            try
            {
                if (String.IsNullOrWhiteSpace(TextBoxUsername.Text) && String.IsNullOrWhiteSpace(TextBoxPassword.Text) && String.IsNullOrWhiteSpace(TextBoxtRepeatPassword.Text))
                {
                    LabelMessage.ForeColor = Color.Red;
                    LabelMessage.Text = "Please enter username and password ";
                }
                else
                {
                    if (TextBoxPassword.Text == TextBoxtRepeatPassword.Text)
                    {
                        int state = 0;
                        try
                        {
                            string updateQuery = "UPDATE admin SET username ='" + TextBoxUsername.Text + "',password ='" + TextBoxPassword.Text + "' WHERE ID =1";
                            SqlCommand cmd = new SqlCommand(updateQuery, dBCon.GetCon());
                            dBCon.OpenCon();
                            cmd.ExecuteNonQuery();
                            state = 1;
                        }
                        catch
                        {
                            state = 0;
                            LabelMessage.ForeColor = Color.Red;
                            LabelMessage.Text = ("Error please try again");

                        }

                        if (state == 1)
                        {
                            string stat = "1";