How to fill dropdown by xml file

<?xml version="1.0" encoding="utf-8" ?>
<dropdowns>

  <dropdown name="DropDownLoc">
    <menu text="Select" value="-1" />
    <menu text="North" value="1200" />
    <menu text="South" value="1400" />
  </dropdown>

  <dropdown name="DropDownEsp">
    <menu text="Select" value="-1" />
    <menu text="Est" value="7" />
    <menu text="Ovest" value="9" />
  </dropdown>
</dropdowns>

<asp:DropDownList ID="DropDownList1" runat="server">
</asp:DropDownList>
<asp:XmlDataSource ID="XmlDataSource1" runat="server" datafile=&
</asp:XmlDataSource>

string path = Server.MapPath("~/XMLFile3.xml");
string whichDropDown = "DropDownEsp";
var query =
from dropDown in XDocument.Load(path).Descendants("dropdown")
where dropDown.Attribute("name").Value == whichDropDown

from name in dropDown.Descendants("name")
let text = name.Attribute("text").value
let value = name.Attribute("value").value

select new ListItem(text, value);

// Now we data bind the query result to the control
DropDownList1.DataSource = query;
DropDownList1.DataBind();