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POSerialPort Read Doesn't Work in C#
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12120787
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2012-08-25T09:28:33.603
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2012-08-29T13:25:34.100
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<p>i am develop C# windows app.it's read weight from weigh bridge machine to serial port.but,my code doesn't work.i am trying many examples download from internet doesn't work.my code is below:</p> <pre><code>using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.IO.Ports; using System.IO; namespace SerialPortTest { public partial class Form1 : Form { public Form1() { InitializeComponent(); } String a = ""; private void button1_Click(object sender, EventArgs e) { serialPort1 = new SerialPort("COM1", 9600, Parity.None, 8, StopBits.One); if (serialPort1.IsOpen == false) { serialPort1.Open(); } timer1.Start(); button1.Enabled = false; button2.Enabled = true; } private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e) { a = a + serialPort1.ReadExisting(); } private void timer1_Tick(object sender, EventArgs e) { if (a.Length != 0) { textBox1.AppendText(a); a = ""; } } private void button2_Click(object sender, EventArgs e) { if (serialPort1.IsOpen == true) { serialPort1.Close(); button2.Enabled = false; button1.Enabled = true; } } private void Form1_Load(object sender, EventArgs e) { if (serialPort1.IsOpen == true) { button1.Enabled = false; button2.Enabled = true; } else { button1.Enabled = true; button2.Enabled = false; } } } } </code></pre> <p>What i am wrong in my code can any one help me any working code. Thanks in Advance. </p>
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<c#><.net><serial-port>
Title
SerialPort Read Doesn't Work in C#
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