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 MySQLDriverCS;

namespace hunsha
{
    public partial class login : Form
    {
        MySQLConnection conn = null
 
;

        public login()
        {
            InitializeComponent();
        }

        private void login_Load(object sender, EventArgs e)
        {
            conn = new MySQLConnection(new MySQLConnectionString("localhost", "hunsha", "root", "123456").AsString);
            conn.Open();

            MySQLCommand commn = new
 
 MySQLCommand("set names gb2312", conn);
            commn.ExecuteNonQuery();
        }

        private void button_login_Click(object sender, EventArgs e)
        {
            if (textBox_user.Text == "" || textBox_psd.Text == "")
                MessageBox.Show("使用者名稱或密碼不能為空！");
            else
 

            {
                string tname = textBox_user.Text;
                string tpsw = textBox_psd.Text;

                MySQLConnection conn = null;
                conn = new MySQLConnection(new MySQLConnectionString("localhost", "hunsha", "root", "123456").AsString);
                conn.Open();


                string sql = "select count(*) from tab_manage where name = '"+tname+"'and psw = '"+tpsw+"'";
                MySQLCommand loginru = new MySQLCommand(sql,conn);
                if (loginru.ExecuteScalar().ToString() == "1")
                {
                    MainFrom fm = new MainFrom();
                    fm.Show();
                    this.Hide();

                }
                else
                    MessageBox.Show("使用者名稱或密碼錯誤，請重新輸入");

            }
        }


    }
}