serial com port recieve data in textbox2 in more line problem

[ahm1985]

in code below it work good but i face problem i need to recieve textbox2 in one line not more line how i do that


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

namespace CommSample
{
public partial class Form1 : Form
{
/// <summary>
/// Initializes a new instance of the <see cref="Form1"/> class.
/// </summary>
public Form1()
{
InitializeComponent();
}

/// <summary>
/// Handles the Idle event of the Application control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
void Application_Idle(object sender, EventArgs e)
{
label3.Text = serialPort1.IsOpen ? "[Open]" : "[Closed]";
}

/// <summary>
/// Handles the Click event of the button1 control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void button1_Click(object sender, EventArgs e)
{

}

/// <summary>
///
/// </summary>
private void TransmitCommand()
{
if (textBox1.Text.Length > 0)
{
if (serialPort1.IsOpen)
{
serialPort1.Write(textBox1.Text + "\r");
}
}
}

/// <summary>
/// Closes the port.
/// </summary>
private void ClosePort()
{
if (serialPort1.IsOpen)
{
serialPort1.DataReceived -= new SerialDataReceivedEventHandler(serialPort1_DataReceived);
serialPort1.Close();
}
}

/// <summary>
/// Handles the Click event of the closePortToolStripMenuItem control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void closePortToolStripMenuItem_Click(object sender, EventArgs e)
{
ClosePort();
}

/// <summary>
/// Handles the Click event of the exitToolStripMenuItem control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void exitToolStripMenuItem_Click(object sender, EventArgs e)
{
Close();
}

/// <summary>
/// Handles the Load event of the Form1 control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void Form1_Load(object sender, EventArgs e)
{
serialPort1.PortName = Properties.Settings.Default.Port;
serialPort1.BaudRate = Properties.Settings.Default.Baud;
serialPort1.DataBits = Properties.Settings.Default.DataBits;
serialPort1.Parity = (Parity)Enum.Parse(typeof(Parity), Properties.Settings.Default.Parity);
serialPort1.StopBits = (StopBits)Enum.Parse(typeof(StopBits), Properties.Settings.Default.StopBits);

Application.Idle += new EventHandler(Application_Idle);
}

/// <summary>
/// Opens the port.
/// </summary>
private void OpenPort()
{
serialPort1.Open();
serialPort1.DataReceived += new SerialDataReceivedEventHandler(serialPort1_DataReceived);
}

/// <summary>
/// Handles the Click event of the openPortToolStripMenuItem control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void openPortToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenPort();
}

/// <summary>
/// Handles the Click event of the optionsToolStripMenuItem control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void optionsToolStripMenuItem_Click(object sender, EventArgs e)
{
ClosePort();

using (Form2 form = new Form2())
{
if (form.ShowDialog(this) == DialogResult.OK)
{
serialPort1.PortName = Properties.Settings.Default.Port;
serialPort1.BaudRate = Properties.Settings.Default.Baud;
serialPort1.DataBits = Properties.Settings.Default.DataBits;
serialPort1.Parity = (Parity)Enum.Parse(typeof(Parity), Properties.Settings.Default.Parity);
serialPort1.StopBits = (StopBits)Enum.Parse(typeof(StopBits), Properties.Settings.Default.StopBits);
}
}
}

/// <summary>
/// Handles the DataReceived event of the serialPort1 control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.IO.Ports.SerialDataReceivedEventArgs"/> instance containing the event data.</param>
void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
if (!InvokeRequired)
{
if (e.EventType == SerialData.Chars)
{
string portData = serialPort1.ReadLine();
textBox2.Text =portData;
}
}
else
{
SerialDataReceivedEventHandler invoker = new SerialDataReceivedEventHandler(serialPort1_DataReceived);
BeginInvoke(invoker, new object[] { sender, e });
}
}

/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void pollingCheckbox_CheckedChanged(object sender, EventArgs e)
{
if (timer1.Enabled && !pollingCheckbox.Checked)
{
timer1.Enabled = false;
}
}

/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timer1_Tick(object sender, EventArgs e)
{
if (pollingCheckbox.Checked)
{
TransmitCommand();
}
}

private void textBox1_TextChanged(object sender, EventArgs e)
{

}

private void textBox2_TextChanged(object sender, EventArgs e)
{

}

}
}

 

[ahm1985]

my problem here in this lines
void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
if (!InvokeRequired)
{
if (e.EventType == SerialData.Chars)
{
string portData = serialPort1.ReadLine();
textBox2.Text =portData;
}
}
else
{
SerialDataReceivedEventHandler invoker = new SerialDataReceivedEventHandler(serialPort1_DataReceived);
BeginInvoke(invoker, new object[] { sender, e });
}
}

I wnat when recieve data recieve in one line in text box then convert to integer