homeql.cs

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

namespace CNPM
{
    public partial class homeql : Form
    {
        private string StringConnect;
        private SqlConnection Connect = null;
        public homeql(string con):this()
        {
            StringConnect = con;
        }
        public homeql()
        {
            InitializeComponent();
        }

        private void homeql_FormClosed(object sender, FormClosedEventArgs e)
        {
            Application.Exit();
        }

        private void đăngXuấtToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form a = new dangnhap();
            a.Show();
            this.Hide();
        }

        private void quảnLýNhânViênToolStripMenuItem_Click(object sender, EventArgs e)
        {
            tabControl1.SelectedIndex=0;
        }

        private void homeql_Load(object sender, EventArgs e)
        {
            Connect = new SqlConnection(StringConnect); //Khởi tạo kết nối với đường dẫn StringConnect
            Connect.Open();
        }

        private void quảnLýNhàCungCấpToolStripMenuItem_Click(object sender, EventArgs e)
        {
            tabControl1.SelectedIndex = 1;
        }

        private void quảnLýLoạiHàngToolStripMenuItem_Click(object sender, EventArgs e)
        {
            tabControl1.SelectedIndex = 2;
        }

        private void quảnLýKháchHàngToolStripMenuItem_Click(object sender, EventArgs e)
        {
            tabControl1.SelectedIndex = 3;
        }

        private void hóaĐơnToolStripMenuItem_Click(object sender, EventArgs e)
        {
            tabControl1.SelectedIndex = 4;
        }

        private void báoCáoToolStripMenuItem_Click(object sender, EventArgs e)
        {
            tabControl1.SelectedIndex = 5;
        }

        private void đăngXuấtToolStripMenuItem1_Click(object sender, EventArgs e)
        {
            Form a =new dangnhap();
            a.Show();
            this.Hide();
        }

        private void thêmKháchHàngToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form a = new nvthemkhachhang();
            a.Show();
        }

        private void xóaKháchHàngToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Form a = new qlkhachhang();
            a.Show();
        }
    }
}