private void btn_exit_Click(object sender, EventArgs e) { EmpStart emp_start = new EmpStart(); emp_start.Show(); this.Hide(); }
private void button1_Click(object sender, EventArgs e) { try { con.Open(); MySqlCommand cmd = con.CreateCommand(); cmd.CommandType = CommandType.Text; cmd.CommandText = "select * from Login where username = '******' and password= '******'"; cmd.ExecuteNonQuery(); DataTable dt = new DataTable(); MySqlDataAdapter da = new MySqlDataAdapter(cmd); da.Fill(dt); i = Convert.ToInt32(dt.Rows.Count.ToString()); Console.WriteLine(i); //login if (i == 0) { MessageBox.Show("fail"); Console.WriteLine("login failed: " + tb_usern.Text + ";" + tb_pass.Text + ""); } //admin login else if (i != 0 && tb_usern.Text == "admin") { AdminStart a = new AdminStart(); Console.WriteLine("logged in as admin"); this.Hide(); a.Show(); } //emp login else { EmpStart em = new EmpStart(); Console.WriteLine("logged in as emplyee"); this.Hide(); em.Show(); } con.Close(); } catch (Exception ex) { Console.WriteLine(ex); } }