The Dictionary is a really cool code base item that can is a name “look up” object conventional lists… It is declared by the new 2.0 Framework namespace of Collections.Generic

 check out the codebehind below :: 

using System.Collections.Generic;

public partial class _Default : System.Web.UI.Page
{
    private Dictionary regionCountryData;

    protected override void OnInit(EventArgs e)
    {
        base.OnInit(e);

        regionCountryData = new Dictionary();

// here I create my first item to list and populate the entries

        regionCountryData[”Americas”] = new ListItem[] {
            new ListItem(”USA”),
            new ListItem(”Canada”),
            new ListItem(”Brazil”)
        };

// here I create my second item cllection 

        regionCountryData[”EMEA”] = new ListItem[] {
            new ListItem(”Switzerland”),
            new ListItem(”Dubai”),
            new ListItem(”Nigeria”)
        };
       
// and third

        regionCountryData[”Asia Pacific”] = new ListItem[] {
            new ListItem(”India”),
            new ListItem(”Japan”),
            new ListItem(”Australia”)
        };
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            RegionList.Items.Add(”—Please select—”);
            foreach (string region in regionCountryData.Keys)
            {
                RegionList.Items.Add(region);
            }

            CountryList.Items.Add(”—Please select—”);
        }
    }

}

This entry was posted on Saturday, September 23rd, 2006 at 10:00 am and is filed under ASP. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.