Hi,

You should start with this:

Imports System.IO.Ports

Dim Comport As SerialPort
dim incomingdata as string = Comport.ReadLine()

thanks sir for guiding me
i pic ur point but i m still new to the veb
actually i make a project in which i take the data (from mobile modem or to send data to mobile modem from vb)
how can i do that the seting to com port and other parameters can u give more hints , how to send and take data sentax etc
i hope u reply me
again thanks sir
im wating 4 ur reply

I hope this will help you.

http://msdn.microsoft.com/en-us/libr...erialport.aspx