private void button3_Click(object sender, EventArgs e)
{
QUANLI main = new QUANLI();
this.Hide();
main.Show();
main.FormClosed += (s, ev) => this.Close();
}
private void btn_dangNhap_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection(@"Data Source=.;Initial Catalog=QuanLySieuThi;Integrated Security=True");
string sqlSelect = @"select nv.ChucVu
from NHANVIEN nv, TAIKHOANNHANVIEN tk
where nv.MaNhanVien = tk.MaNhanVien and tk.TenDangNhap ='" + txt_tenDangNhap.Text + "' and tk.MatKhau = '" + txt_matKhau.Text + "'";
conn.Open();
SqlCommand cmd = new SqlCommand(sqlSelect, conn);
cmd.CommandType = CommandType.Text;
SqlDataReader reader = cmd.ExecuteReader();
if (reader.Read() == true)
{
if (reader[0].ToString() == "Nhân viên quản lí")
{
QUANLI main = new QUANLI();
this.Hide();
main.Show();
main.FormClosed += (s, ev) => this.Close();
}
else if (reader[0].ToString() == "Nhân viên phân phối")
{
PHANPHOIHANGHOA main = new PHANPHOIHANGHOA();
this.Hide();
main.Show();
main.FormClosed += (s, ev) => this.Close();
}
else
{
THUNGAN main = new THUNGAN();
this.Hide();
main.Show();
main.FormClosed += (s, ev) => this.Close();
}
}
else
{
MessageBox.Show("Ban dang nhap chua thanh cong ");
txt_tenDangNhap.Text = "";
txt_matKhau.Text = "";
txt_tenDangNhap.Focus();
}
}
