ASPX Page
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1._Default" %>
<!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>
</head>
<body>
<form id="form1" runat="server">
<div>
<div style="padding:100px">
<h3>Bind Dropdown using dictionary</h3>
<strong> Select City :</strong><asp:DropDownList ID="ddlCity" runat="server" Width="200px"></asp:DropDownList>
</div>
</div>
</form>
</body>
</html>
Code-behind
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
namespace WebApplication1
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
BindCity();
}
private void BindCity()
{
Dictionary<string, string> dicCity = new Dictionary<string, string>();
//Add city to dictionary
dicCity.Add("1", "New Delhi");
dicCity.Add("2", "Mumbai");
dicCity.Add("3", "Banglore");
dicCity.Add("4", "Pune");
dicCity.Add("5", "Nagpur");
dicCity.Add("6", "Jaipur");
dicCity.Add("7", "Chandighar");
ddlCity.DataSource = dicCity;
ddlCity.DataValueField = "key";
ddlCity.DataTextField = "Value";
ddlCity.DataBind();
}
}
}