.Net Framework2.0--->Visual Basic--->Device application
presently i am using this code
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- 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
- //Inside button2 i am writing this code
- SerialPort1.WriteLine(Textbox1.Text)
- Listbox1.Items.Add("sent:" +TextBox1.Text)
- //Inside serialport's property in DataReceived,i hav written this statement
- ListBox1.Items.Add("Received" +Serialport1.ReadLine())
"An unhandled exception of type System.InvalidOperationException occurred in System.dll
Additional Information: The basestream is only available when the port is open "
so plz anyone help me in this issue ...
Thanking U in advance.....
expecting ur valuable results earlier.....
Regards
Indu