private void loginClick(object sender, RoutedEventArgs e) { var connect = System.Configuration.ConfigurationManager.ConnectionStrings["conn"].ConnectionString; // String connString = DbConnection.Connect(); using (var conn = new NpgsqlConnection(connect)) { try { conn.Open(); Trace.WriteLine("conn opened!"); using (var cmd = new NpgsqlCommand("SELECT password FROM register WHERE name='" + Username + "';", conn)) using (var reader = cmd.ExecuteReader()) if (reader.HasRows) { while (reader.Read()) { String password = reader.GetString(0); // String encryptedPassword = Encrypt.Encryptdata(password); // String decryptedPassword = Decrypt.Decryptdata(password); // Trace.WriteLine(decryptedPassword); String usertypedPassword = PasswordAuth.EncryptString(loginPasswordbox.Password.ToString()); Trace.WriteLine(usertypedPassword); { if (password == usertypedPassword) { MessageBox.Show("Login success!"); Register rg = new Register(usernamesmall); rg.Show(); this.Close(); } else { MessageBox.Show("password is wrong!!!!", "error"); Register rg = new Register(usernamesmall); rg.Show(); this.Close(); } } } } else { MessageBox.Show("User is not registered!"); Register rg = new Register(usernamesmall); rg.Show(); this.Close(); } conn.Close(); } catch (Exception ex) { MessageBox.Show(ex.Message); } } }
private void submitBtn(object sender, RoutedEventArgs e) { String password = passwordBox.Password.ToString(); String cpassword = cpasswordBox.Password.ToString(); Trace.WriteLine(cpasswordBox.Password.ToString()); var connect = System.Configuration.ConfigurationManager.ConnectionStrings["conn"].ConnectionString; using (var conn = new NpgsqlConnection(connect)) { try { conn.Open(); //Trace.WriteLine("connection opened!!"); using (var cmd = new NpgsqlCommand("SELECT * FROM register WHERE name='" + Username + "';", conn)) using (var reader = cmd.ExecuteReader()) if (reader.HasRows) { while (reader.Read()) { Guid id = reader.GetGuid(0); String name = reader.GetString(1); { if (Username == name) { Trace.WriteLine("user already present!!"); var result = MessageBox.Show("User already exists try logging in.", "Info", MessageBoxButton.OK); if (result == MessageBoxResult.OK) { Register register = new Register(usernamesmall); register.Show(); this.Close(); // login.Show(); } } else { Personaldetails pd = new Personaldetails(usernamesmall); pd.Show(); this.Close(); } } } } else { reader.Close(); if (password != cpassword) { //submitButton.Visibility = Visibility.Visible; notMatching1.Content = "passwords did not match"; } else { // String encryptedPassword = Encrypt.Encryptdata(password); //Trace.WriteLine(encryptedPassword); String encryptedPassword = PasswordAuth.EncryptString(password); Trace.WriteLine(encryptedPassword); var cmdInsert = new NpgsqlCommand("INSERT INTO register (name,password) VALUES ('" + Username + "','" + encryptedPassword + "');", conn); cmdInsert.ExecuteNonQuery(); // Trace.WriteLine("inserted!"); //MessageBox.Show("registered!!"); var result = MessageBox.Show("Registered", "Info", MessageBoxButton.OK); if (result == MessageBoxResult.OK) { Personaldetails pd = new Personaldetails(usernamesmall); pd.Show(); this.Close(); } } } // Trace.WriteLine("........"); conn.Close(); } catch (Exception ex) { MessageBox.Show(ex.Message); } } }