C#

Google.Apis.Requests.RequestError
Request had insufficient authentication scopes. [403]
Errors [
    Message[Insufficient Permission] Location[ - ] Reason[insufficientPermissions] Domain[global]
]

try
            {
                string message = "device=camera;item=ois;command=start;\\r\\n";
                byte[] bytes = Encoding.ASCII.GetBytes(message);
                Socket s = null;
                IPEndPoint hostEndPoint;
                IPAddress hostAddress = null;
                int conPort = 80;

                hostAddress = IPAddress.Parse("127.0.0.1");
                hostEndPoint = new IPEndPoint(hostAddress, 9103);

                // Creates the Socket to send data over a TCP connection.
                s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                s.ReceiveTimeout = 1000*15;

                // Connect to the host using its IPEndPoint.
                s.Connect(hostEndPoint);

                if (!s.Connected)
                {
                    // Connection failed, try next IPaddress.
                    Console.WriteLine("Unable to connect to host");

                }
                s.Send(bytes);
                s.Close();
            }

I have a problem with this code, because it gives me following error message 
Object reference not set to an instance of an object when I use the line
values[countValues] = reader2.GetString("textinfo"); in the code below

Can someone help me?


      <pre lang="C#">
public static string[] values;
int countValues = 0;


 using (var connection = new MySqlConnection(connString))
                {
                    connection.Open();
                    string query = "select * from showvalues where idvalue = '" + idStatus + "'";
                    using (var command2 = new MySqlCommand(query, connection))
                    {
                        using (var reader2 = command2.ExecuteReader())
                        {
                            while (reader2.Read())
                            {
                          
                               listBoxMeasurement.Items.Add(reader2.GetString("textinfo"));
                               values[countValues] = reader2.GetString("textinfo");
                               countValues++;
                            }
                           countValues = 0;
                           connection.Close();
                         } 
                    }
                }

// Go through each assignment row
foreach (var vendorAssignment in vendorAssignments)
{
    // Define the query parameters for the job
    var jobPredicate = PredicateBuilder.New<Job>();
    jobPredicate = jobPredicate.And(x => x.AppCompanyId == 1);
    jobPredicate = jobPredicate.And(x => !x.DeletedDT.HasValue);
    jobPredicate = jobPredicate.And(x => x.Id == vendorAssignment.ParentId); 

    // Get the job
    var job = (from j in dc.Jobs
                select j).Where(jobPredicate).FirstOrDefault();
}

// Define the query parameters for the job
var jobPredicate = PredicateBuilder.New<Job>();
jobPredicate = jobPredicate.And(x => x.AppCompanyId == 1);
jobPredicate = jobPredicate.And(x => !x.DeletedDT.HasValue);

// Go through each assignment row
foreach (var vendorAssignment in vendorAssignments)
{
    // Add the job id to the query
    jobPredicate = jobPredicate.And(x => x.Id == vendorAssignment.ParentId); // < =====  WON'T THIS JUST KEEP ADDING JOB ID's TO THE QUERY?

    // Get the job
    var job = (from j in dc.Jobs
                select j).Where(jobPredicate).FirstOrDefault();
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO.Ports;

namespace New_Interfacing
{
    public partial class Form1 : Form
    {

        private SerialPort _serialPort;         
        private const int BaudRate = 9600;      


        public Form1()
        {
            InitializeComponent();
        }


        private void Form1_Load(object sender, EventArgs e)
        {
            string[] portNames = SerialPort.GetPortNames();     
            foreach (var portName in portNames)
            {
                comboBox1.Items.Add(portName);                  
            }
            comboBox1.SelectedIndex = 0;                       

        }
        private void button1_Click(object sender, EventArgs e)
        {
           
       
         
          
            _serialPort = new SerialPort(comboBox1.Text, BaudRate, Parity.None, 8, StopBits.One);      
            _serialPort.DataReceived += SerialPortOnDataReceived;
            _serialPort.Open();
            textBox1.Text = "Listening on " + comboBox1.Text + "...";
        }

        private delegate void Closure();
        private void SerialPortOnDataReceived(object sender, SerialDataReceivedEventArgs serialDataReceivedEventArgs)
        {
            if (InvokeRequired)    
                BeginInvoke(new Closure(() => { SerialPortOnDataReceived(sender, serialDataReceivedEventArgs); }));     
            else
            {
                while (_serialPort.BytesToRead > 0) //<-- repeats until the In-Buffer is empty
                {
                    textBox1.Text += string.Format("{0:X2} ", _serialPort.ReadByte());
                
                }
            }
        }


    }
}