in dropdown checkbox checked value bind on lable

sir i want to show each select value show different label protected void ddsize_SelectedIndexChanged(object sender, EventArgs e) { //List lbl_Size = new List(); //List lbl_Size1 = new List(); foreach (System.Web.UI.WebControls.ListItem item in ddsize.Items) { if (item.Selected) { Sizevalue = "Selected Text: " + item.Text; lbl_size1.Text = Sizevalue; Sizevalue = "Selected Text: " + item.Text; lbl_size2.Text = Sizevalue; } } //lbl_Size.Add(item.Text); //lbl_Size1.Add(item.Text); //lbl_size1.Text = " $: " + String.Join(",", lbl_Size.ToArray()); //lbl_size2.Text = " $: " + String.Join(",", lbl_Size.ToArray()); lbl_size1.Visible = true; lblprice.Visible = true; txt_price.Visible = true; txt_pricesize2.Visible = true; lbl_size2.Visible = true;

protected void CheckedBoxdata()
{
string message = string.Empty;
foreach (ListItem item in DropDownCheckBoxes1.Items)
{
if (item.Selected)
{
message += item.Text + ":" + item.Value + ", ";
}
}
label1.Text=message