public void ValidatePasswordFromDatabase() { Connection cc = new Connection(); try { SqlDataAdapter sda = new SqlDataAdapter("select [UserId],[Username],[Password],[EmployeeName],[EmployeePhone],[EmployeeEmail],[EmployeeDesignation],[AllowInternetLogin] from [mbo].[PSUsers] where Username='******' and password='******'", cc.con); DataTable dt = new DataTable(); sda.Fill(dt); if (dt.Rows.Count == 1) { User _user = new User() { Userid = dt.Rows[0]["UserId"].ToString(), Username = dt.Rows[0]["Username"].ToString(), EmployeeName = dt.Rows[0]["EmployeeName"].ToString(), EmployeeEmail = dt.Rows[0]["EmployeeEmail"].ToString(), EmployeeDesignation = dt.Rows[0]["EmployeeDesignation"].ToString(), AllowInternet = dt.Rows[0]["AllowInternetLogin"].ToString(), }; user = _user; if (InternetradioButton.Checked == true) { mm = new MainForm(user); if (dt.Rows[0]["AllowInternetLogin"].ToString() == "1") { NotificationLabel.Text = "Welcome " + user.EmployeeName; NotificationLabel.Show(); mm.WindowState = FormWindowState.Minimized; mm.Show(); timer1.Start(); } else { MessageBox.Show("You Are Not Allowed to Login via Internet", "Blocked", MessageBoxButtons.OK, MessageBoxIcon.Error); } } else { NotificationLabel.Text = "Welcome " + user.EmployeeName; NotificationLabel.Show(); mm = new MainForm(user); mm.WindowState = FormWindowState.Minimized; mm.Show(); timer1.Start(); } } else { NotificationLabel.Text = "Login Faild"; NotificationLabel.Show(); } } catch (Exception ex) { MessageBox.Show(ex.Message, "Information", MessageBoxButtons.OK, MessageBoxIcon.Information); } }