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POSMS Sending Application in VB.net
 

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    <p>I'm trying to develop an application with vb.net 2008 to send sms to phone numbers from my pc. I've connected my nokia phone to my pc using USB cable (connected with COM3 port). Given bellow code which I have written should work but message is not being sent and I'm getting my app as deadlock condition:</p> <pre><code>Imports System Imports System.IO.Ports Imports System.Threading Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Try Dim ports As String() = SerialPort.GetPortNames Dim port As String For Each port In ports ComboBox1.Items.Add(port) Next port Catch ex As Exception MsgBox(ex.Message) End Try End Sub Private Sub cmdConnect_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdConnect.Click Try With SerialPort1 .PortName = ComboBox1.Text .BaudRate = 9600 .Parity = Parity.None .StopBits = StopBits.One .DataBits = 8 .Handshake = Handshake.RequestToSend .DtrEnable = True .RtsEnable = True .NewLine = vbCrLf .Open() MsgBox("Connected !", MsgBoxStyle.Information) End With Catch ex As Exception MsgBox(ex.Message) End Try End Sub Private Sub cmdSend_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdSend.Click Try If SerialPort1.IsOpen Then With SerialPort1 .Write("AT" &amp; vbCrLf) .Write("AT+CMGF=1" &amp; vbCrLf) .Write("AT+CMGS=" &amp; Chr(34) &amp; TextBox1.Text &amp; Chr(34) &amp; vbCrLf) .Write(RichTextBox1.Text &amp; Chr(26)) .Close() MsgBox("Message Sent!", MsgBoxStyle.Information) End With Else MsgBox("Error on port") End If Catch ex As Exception MsgBox(ex.Message) End Try End Sub End Class </code></pre>
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    1. USDouglas Barbin
    1. USuser3005083
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    1. COCan you clarify the exact problem you're having and where it is occuring in the code so that other users will be in a better position to help you?
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      1. POSMS Sending Application in VB.net
      1. USJimbo
    2. COwhen trying to connect with com3 port then its ok. but when i'm clicking on send button then message is not being sent. also i'm getting a deadlock condition.
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      1. USuser3005083
 

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