void type_cbo_TextChanged(object sender, EventArgs e)
{
rail_chk.Checked = (type_cbo.Text == "Coil");
if (type_cbo.Text == "Coil")
{
sheetcoilinput_lbl.Text = "Length";
rail_chk.Enabled = true;
}
else
{
sheetcoilinput_lbl.Text = "Qty Nested";
rail_chk.Enabled = false;
}
}