C#

private void buttonOut_Click(object sender, System.EventArgs e)
{


    int nOutNum;
    int b=1;
    int b2=1;
    string baseBytes;
    string basebyte1;
    string baseCell;
    string baseFULL;
    string byteFile=this.textBoxFileName.Text;




    try
    {

        for (b=1; b<=8; b++)
        {
            baseBytes="//Bytes";
            basebyte1="/byte"+b2;
            baseCell="/b"+b.ToString();
            baseFULL=baseBytes+basebyte1+baseCell;

            XmlDocument xmlDoc=new XmlDataDocument();
            XmlNode bit;
            string NUM;
            xmlDoc.Load(byteFile);
            bit=xmlDoc.SelectSingleNode(baseFULL); //Bytes/byte1/b2
            NUM=bit.InnerText;
            nOutNum=short.Parse(NUM, NumberStyles.AllowHexSpecifier);
            NTPort.Outport(nAddress, (short)nOutNum);

            //CLIENT ALERTS
            //MessageBox.Show("Cell: <b"+b.ToString()+">"+" illuminated"+"\nbyte"+b2.ToString()+"\nID"+nOutNum);
            this.listPorts.Items.Add((short)nOutNum);




            if(b==8)
                b2++;
            if(b==8)
                b=0;



        }//end for

        MessageBox.Show("LOOP ENDED");



    }
    catch (System.NullReferenceException caught)
    {
        MessageBox.Show("End of "+byteFile);
        this.listPorts.Items.Add("End of File");



    }
    catch (System.IO.FileNotFoundException caught)
    {
        MessageBox.Show("This file does not exist");
    }




}