serial communication (plz help)
I have written code in VS 2008 VB.NetMy for sending a character from one PC to another PC through RS232 i want tat character to be sent also i should receive character form tat PC.
first i am testing this within PCs,once tat works then PocketPC(Windows Mobile 5.0 OS) to PC communication will work surely.
but iam still not getting from PC to PC itself..
SO PLZ HELP ME SIR.....
I have written a program in VB.NET 2008
but I am getting an error as
"An unhandled exception of type System.InvalidOperationException occurred in System.dll
Additional Information: The basestream is only available when the port is open "
Iam using .Net Framework2.0--->Visual Basic--->Device application
the code tat i presently use is::
Imports System.IO.Ports
Imports System.IO.Ports.Serialport
If Button1.Text Is "open port" then
SerialPort1.Open()
Button1.Text="close port"
Button2.Enabled=True
Else If Button1.Text Is "close port" then
SerialPort1.Close()
Button1.Text="open port"
Button2.Enabled=False
End If
SerialPort1.WriteLine(Textbox1.Text)
Listbox1.Items.Add("sent:" +TextBox1.Text)
ListBox1.Items.Add("Received" +Serialport1.ReadLine())
Thanking U in advance
Regards
Indu