private void SignInbtn_Click(object sender, EventArgs e) { FileStream stream = new FileStream("admin.txt", FileMode.OpenOrCreate); StreamReader SR = new StreamReader(stream); bool flag = true; while (SR.Peek() != -1) { String x = SR.ReadLine(); String[] x1 = x.Split('*'); if (s.transform(x1[0]) == UserNametb.Text && s.transform(x1[1]) == Passwordtb.Text) { tabControl.Visible = true; UserNametb.Clear(); UserNametb.Visible = false; label7.Visible = false; label6.Visible = false; SignInbtn.Visible = false; Passwordtb.Clear(); Passwordtb.Visible = false; flag = false; break; } } SR.Close(); stream.Close(); if (flag) { MessageBox.Show("you enter a wrong admin name or admin password"); Passwordtb.Clear(); UserNametb.Clear(); } }
private void LoginBT_Click(object sender, EventArgs e) { user = UserNametb.Text.ToUpper(); pass = PassTB.Text; if (new NhanVienBUS().LoginChecking(user, pass)) { Workstation form = new Workstation(user, this); form.Show(); UserNametb.Clear(); PassTB.Clear(); this.Hide(); } else { UserNametb.Clear(); PassTB.Clear(); } }