public void HienThiVaoDGV(DataGridView dGV,
BindingNavigator bN,
TextBox txtTenDangNhap,
TextBox txtTenNV,
ComboBox cboQuyen,
TextBox txtMatKhau)
{
BindingSource bS = new BindingSource();
bS.DataSource = data.DanhSach();
txtMatKhau.DataBindings.Clear();
txtMatKhau.DataBindings.Add("Text", bS, "MATKHAU", false, DataSourceUpdateMode.Never);
txtTenDangNhap.DataBindings.Clear();
txtTenDangNhap.DataBindings.Add("Text", bS, "TENDANGNHAP", false, DataSourceUpdateMode.Never);
txtTenNV.DataBindings.Clear();
txtTenNV.DataBindings.Add("Text", bS, "TENNV", false, DataSourceUpdateMode.Never);
cboQuyen.DataBindings.Clear();
cboQuyen.DataBindings.Add("SelectedIndex", bS, "QUYEN", false, DataSourceUpdateMode.Never);
bN.BindingSource = bS;
dGV.DataSource = bS;
}