c# | country dropdown c#

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country dropdown using C#

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Class1.aspx.cs" Inherits="_Default" %>
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{

CountryList.DataSource = CountriesList();
CountryList.DataBind();

}
</script>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
</head>
<body>
<form runat="server">
<asp:DropDownList ID="CountryList" runat="server" Width="100px">
</asp:DropDownList>
</form>
</body>
</html>

// in Class1.aspx.cs

using System;
using System.Web;
using System.Web.Services;
using System.Globalization;
using System.Collections.Generic;

public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
[WebMethod]
public static List<string> CountriesList()
{

List<string> CountryList = new List<string>() ;
CultureInfo[] CInfoList = CultureInfo.GetCultures(CultureTypes.SpecificCultures);
foreach (CultureInfo CInfo in CInfoList)
{
RegionInfo R = new RegionInfo(CInfo.LCID);
if (!(CountryList.Contains(R.EnglishName)))
{
CountryList.Add(R.EnglishName);
}
}

CountryList.Sort();
return CountryList;
}
}