ASP.NET Tutorial/Development/Serial Port

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Writing text to the serial port (C#)

<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
System.IO.Ports.SerialPort SerialPort1 = new System.IO.Ports.SerialPort();
    
protected void  Page_Load(object sender, EventArgs e)
{
    this.SerialPort1.PortName = "COM1";
    if (!this.SerialPort1.IsOpen)
    {
        this.SerialPort1.Open();
    }
    this.SerialPort1.Write("Hello World");
    this.SerialPort1.Close();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        &nbsp;</div>
    </form>
</body>
</html>


Writing text to the serial port (VB)

<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    Dim SerialPort1 As New System.IO.Ports.SerialPort()
    
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        
        Me.SerialPort1.PortName = "COM1"
        If (Not Me.SerialPort1.IsOpen) Then
            Me.SerialPort1.Open()
        End If
        Me.SerialPort1.Write("Hello World")
        Me.SerialPort1.Close()
    End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    </form>
</body>
</html>
Источник — «http://nfex.ru/index.php?title=ASP.NET_Tutorial/Development/Serial_Port&oldid=2606»