private void quảnLýToolStripMenuItem_Click(object sender, EventArgs e)
{
//doc file kiem tra user name & pass . if trùng -> frmNoiDung else -> "Bạn chưa dang nhap"
//Đọc file
try
{
FileStream fs = new FileStream(@"D:\Project_UD\Project LTUD\account.txt", FileMode.Open, FileAccess.Read, FileShare.None);
StreamReader sr = new StreamReader(fs);
string username = sr.ReadLine();
string password = sr.ReadLine();
MessageBox.Show("Tài khoản: " + username + " tồn tại !", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Information);
fs.Close();
//sw.Close();
SqlConnection conn = new SqlConnection("Data Source=.;Initial Catalog=QuanLyHang;Integrated Security=True");
string sqlselect = "select * from THONGTINNV where MaNV='" + username + "'and MatKhau='" + password + "'";
conn.Open();
SqlCommand cmd = new SqlCommand(sqlselect, conn);
SqlDataReader reader = cmd.ExecuteReader();
if (reader.Read() == true)
{
frmNoiDung tp = new frmNoiDung();
tp.MdiParent = this;
tp.Show();
}
else
{
MessageBox.Show("Bạn chưa đăng nhập!");
}
}
catch (Exception ex)
{
MessageBox.Show(" " + ex);
}
}
private void btnDangnhap_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection("Data Source=.;Initial Catalog=QuanLyHang;Integrated Security=True");
string sqlselect = "select * from THONGTINNV where MaNV='" + txtTenDangNhap.Text + "'and MatKhau='" + txtMatKhau.Text + "'";
conn.Open();
SqlCommand cmd = new SqlCommand(sqlselect, conn);
SqlDataReader reader = cmd.ExecuteReader();
if (reader.Read() == true)
{
Write(path);
this.Hide();
frmNoiDung tp = new frmNoiDung();
tp.Show();
}
else
{
MessageBox.Show("Sai ten dang nhap hoac mat khau!!!!");
txtMatKhau.Text = "";
txtTenDangNhap.Text = "";
txtTenDangNhap.Focus();
}
}
