Serial Communication Doesn't have

using System;
using System.Windows.Forms;
using System.IO.Ports;

namespace SerialStupid
{
    public partial class Form1 : Form
    {
        bool isConnected = false;
        string[] ports;
        SerialPort port;
        public Form1()
        {
            InitializeComponent();
            disableControls();
            getAvailableComPorts();
            foreach(string port in ports)
            {
                comboBox1.Items.Add(port);
                Console.WriteLine(port);
                if (ports[0] != null)
                {
                    comboBox1.SelectedItem = ports[0];
                }
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (!isConnected)
            {
                connectToArduino();
            }
            else
            {
                disconnectFromArduino();
            }
        }

        void getAvailableComPorts()
        {
            ports = SerialPort.GetPortNames();
        }

        private void connectToArduino()
        {
            isConnected = true;
            string selectedPort = comboBox1.GetItemText(comboBox1.SelectedItem);
            port = new SerialPort(selectedPort, 9600, Parity.None, 8, StopBits.One);
            port.Open();
            port.Write("#STAR\n");
            button1.Text = "Disconnect";
            enableControls();
        }

        private void disconnectFromArduino()
        {
            isConnected = false;
            port.Write("#STOP\n");
            port.Close();
            button1.Text = "Connect";
            disableControls();
            resetDefaults();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (isConnected)
            {
                port.Write("#TEXT" + textBox1.Text + "#\n");
            }
        }

        private void enableControls()
        {
            groupBox1.Enabled = true;
            button2.Enabled = true;
            textBox1.Enabled = true;
        }

        private void disableControls()
        {
            groupBox1.Enabled = false;
            button2.Enabled = false;
            textBox1.Enabled = false;
        }

        private void resetDefaults()
        {
            textBox1.Text = "";
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

    }
}



#include <LiquidCrystal.h>

LiquidCrystal liq(12, 11, 5, 4, 3, 2);

String inputString = "";
bool stringComplete = false;
String commandString = "";
bool isConnected = false;

void setup(){
    Serial.begin(9600);
    initDisplay();
}

void loop(){
    if (stringComplete){
        stringComplete = false;
        getCommand();
        if (commandString.equals("STAR")){
            liq.clear();
        }
        if (commandString.equals("STOP")){
            liq.clear();
            liq.write("Ready To Connect");
        }
        else if (commandString.equals("TEXT")){
            String text = getTextToPrint();
            printText(text);
        }
    }
}

void initDisplay(){
    liq.begin(16, 2);
    liq.write("Ready To Connect");
}

void getCommand(){
    if (inputString.length() > 0){
        commandString = inputString.substring(1, 5);
    }
}

String getTextToPrint(){
    String value = inputString.substring(5, inputString.length() - 2);
    return value;
}

void printText(String text){
    liq.clear();
    liq.setCursor(0, 0);
    if (text.length() < 16){
        liq.print(text);
    }
    else{
        liq.print(text.substring(0, 16));
        liq.setCursor(0, 1);
        liq.print(text.substring(16, 32));
    }
}

void serialEvent(){
    while(Serial.available()){
        char inChar = (char)Serial.read();
        inputString += inChar;
        if (inChar == '\n'){
            stringComplete = true;
        }
    }
}