ASP. NET Binding All Countries to DropdownList By VB.NET
In this article we will learn How to get list of all countries and bind to a DropDownList in ASP. NET.
In this article we will learn How to get list of all countries and bind to a DropDownList in ASP. NET. Create an ASP. NET application and drag and drop a DropDownList control from the Toolbox to the page.
Add the following Namespace.
Imports System.Globalization
.ASPX code
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<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="WebForm1.aspx.vb"Inherits=
"getcountryandbindwithdropdownlist.WebForm1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
.style1
{
color: #000099;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<span class="style1"><strong>Select Country :</strong></span>
<asp:DropDownList ID="DropDownList1" runat="server" BackColor="#3399FF"
ForeColor="#66FF66">
</asp:DropDownList>
</div>
</form>
</body>
</html>
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Page looks like below figure1.
Figure1
CultureInfo class
The CultureInfo class contains culture-specific information, such as the language, country/region, calendar, and cultural conventions. The CultureInfo class specifies a unique name for each culture. The CultureInfo class specifies a unique name for each culture.
GetCultures method
GetCultures method to retrieve a complete list of all cultures.
Now call this GetCountry method on your page load that will bind and display countries in the DropDownList.
.VB Code
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Imports System.Globalization
Public Class WebForm1
Inherits System.Web.UI.Page
Public Function GetCountry() As List(Of String)
Dim list As New List(Of String)()
Dim cultures As CultureInfo() =CultureInfo.GetCultures(CultureTypes.InstalledWin32CulturesOr CultureTypes.SpecificCultures)
For Each info As CultureInfo In cultures
Dim info2 As New RegionInfo(info.LCID)
If Not list.Contains(info2.EnglishName) Then
list.Add(info2.EnglishName)
End If
Next
Return list
End Function
Protected Sub Page_Load(ByVal senderAs Object,ByVal e As System.EventArgs)HandlesMe.Load
DropDownList1.DataSource = GetCountry()
DropDownList1.DataBind()
DropDownList1.Items.Insert(0, "Select")
End Sub
End Class
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Now run the application and test it.
Figure2
Now select a country name from the DropDownList.
Figure3