C#

private void textBox1_Leave(object sender, EventArgs e)

Excel.Application eApp = new Excel.Application();
Excel.Workbook wBook;
Excel.Worksheet wSheet = null;
Excel.Range rng;
object opt = Type.Missing;

wSheet = (Excel.Worksheet)wBook.Worksheets[0];
rng = wSheet.get_Range("1:1", opt);
rng.Font.Bold = true;
wSheet.UsedRange.Columns.AutoFit();

John Simmons / outlaw programmer wrote:

Beyond that, your requirements are too sketchy to provide any help at all. Maybe they should teach more preparatory courses so you learn how to gather, define, and present requirements before you're allowed to write any code.

//Changelog:
//4/25/2008
// -Original post by SpacixOne
//4/30/2008 
// -Updated Exception handler from Greeeg's suggestion.
// -Changed to more appropriate namespace
using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.IO;

namespace NeedsCode
{
    class Program
    {
        static void Main(string[] args)
        {
            throw new NotImplementedException("The program code needs to be implemented.");
        }
    }
}

"Simplicity carried to the extreme becomes elegance."
-Jon Franklin

public void WriteToFile()
        {
            using (StreamWriter swb = new StreamWriter(Filename))
            {
                for (int i = 1; i <= (listBoxBlockedNumberDD.Items.Count+1); i++ )
                {
                    <big>swb.WriteLine(listBoxBlockedNumberDD.Items[i].ToString());</big>                }
                swb.Close();
            }
        }

DateTime.Now.Date