private void chbBreakDown_SelectedValueChanged(object sender, EventArgs e)
{
string s = "";
string m = "";
string msg = "";
if (chbBreakDown.CheckedItems.Count != 0)
{
for (int x = 0; x <= chbBreakDown.CheckedItems.Count - 1; x++)
{
s = s + chbBreakDown.CheckedItems[x].ToString() + ",";
}
txtbreakdown.Text = s.TrimEnd(',');
}
else
{
txtbreakdown.Text = "";
}
}