Select index changed for each loop repeat value

Question

in this code label and text box show two time if i  select one value than it show same name labels and show two text box,,,

 

 

 

 

 

protected void ddsize_SelectedIndexChanged(object sender, EventArgs e)

{

Panel1.Visible = true;

int Count = 0;

Count++;

foreach (ListItem item in ddsize.Items)

{

if (item.Selected)

{

for (int i = 0; i < Count; i++)

{

TextBox txt = new TextBox();

Label lbl = new Label();

lbl.Text = item.Text;

Panel1.Controls.Add(lbl);

Panel1.Controls.Add(txt);

}

}

}

}