bind data into dropdown from xml

public DataTable fnXMLToDataTable(string filePath)
{
    //create the DataTable that will hold the data
    DataTable table = new DataTable("XmlData");
    try
    {
        //open the file using a Stream
        using(Stream stream = new  FileStream(filePath, FileMode.Open, FileAccess.Read))
        {
            //create the table with the appropriate column names
            table.Columns.Add("Name", typeof(string));
            table.Columns.Add("Code", typeof(int));

            //use ReadXml to read the XML stream
            table.ReadXml(stream);

            //return the results
            return table;
        }                
    }
    catch (Exception ex)
    {
        return null;
    }
}

protected void Page_Load(object sender, EventArgs e)
{
     DataTable dt = fnXMLToDataTable("MyFilePath")
     if(dt!=null)
     {
          DropDownList1.DataSource = dt;
          DropDownList1.DataTextField = "Name";
          DropDownList1.DataValueField = "Code";
          DropDownList1.DataBind();
     }
}