Try:

iPortNo = int.Parse(txtPort.Text);

Also check out the docs for the int.Parse() because it has several overloads.

Einar
>I'm trying to cast a textbox value to int;
>Can someone help me out please?
>
>

>// Define the port number variable
>int iPortNo = 0;
>
>// Read in the port number from the textbox
>iPortNo = (int)txtPort.Text;
>