private void btTongDai_Click(object sender, EventArgs e)
{
HoatDongTongDai td = new HoatDongTongDai();
this.Hide();
td.ShowDialog();
this.Show();
}
private void btDangNhap_Click(object sender, EventArgs e)
{
string userName = tbDangNhap.Text;
string passWord = tbPass.Text;
connection = new SqlConnection(connectinonST);
connection.Open();
string query = "SELECT COUNT(*) FROM TAI_KHOAN WHERE UserName = '******' and PassWord = '******'";
command = new SqlCommand(query, connection);
int x = (int)command.ExecuteScalar();
if (x > 0) // đăng nhập thành công
{
string query2 = "SELECT LoaiTaiKhoan FROM TAI_KHOAN WHERE UserName = '******' and PassWord = '******'";
SqlCommand command2 = new SqlCommand(query2, connection);
int x2 = (int)command2.ExecuteScalar();
//phân loại tài khoản
if (x2 == 3)
{
GiaoDienChinh gd = new GiaoDienChinh();
this.Hide();
gd.Message1 = userName;
gd.ShowDialog();
this.Show();
}
else if (x2 == 2)
{
HoatDongTongDai hdtd = new HoatDongTongDai();
this.Hide();
hdtd.Message21 = userName;
hdtd.ShowDialog();
this.Show();
}
else if (x2 == 1)
{
BoPhanQuanLy bpql = new BoPhanQuanLy();
this.Hide();
bpql.Message31 = userName;
bpql.ShowDialog();
this.Show();
}
else if (x2 == 4)
{
QuanLyNhanVien qlnv = new QuanLyNhanVien();
this.Hide();
qlnv.ShowDialog();
this.Show();
}
}
else
{
MessageBox.Show("Sai Tên Đăng Nhập Hoặc Mật Khẩu!", "Lỗi Đăng Nhập", MessageBoxButtons.OK);
}
connection.Close();
}