ASP.NET

<asp:dropdownlist id="ddlPackageSelect" visible="true" runat="server" autopostback="true" xmlns:asp="#unknown"></asp:dropdownlist>

private void PopulatePackageDropDown()
		{
			using (StoredProcedure sp = new StoredProcedure("GetPackageDropDown", "celebro"))
			{
				try
				{
					DataSet gh = sp.GetDataSet();

					ddlPackageSelect.DataSource = gh;
					ddlPackageSelect.DataTextField = "Name";
					ddlPackageSelect.DataValueField = "Id";
					ddlPackageSelect.DataBind();


					if (sp.RC == (int)ReturnCode.SUCCESS)
					{
						ddlPackageSelect.Items.Insert(0, new ListItem("All Packages", "0"));
					}
				}
				catch (Exception e)
				{
					lblMessage.Text = e.Message;
				}
			}
		}

private void InitializeComponent()
{			
this.ddlPackageSelect.SelectedIndexChanged += new EventHandler(ddlPackageSelect_SelectedIndexChanged);			
}	

protected void ddlPackageSelect_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (ddlPackageSelect.SelectedIndex == 0)
			{
				BuildGlobalStylesheetList();
			}
			else
			{
				BuildPackageStylesheetList(int.Parse(ddlPackageSelect.SelectedValue.ToString()));
			}
			StylesheetDetail.Visible = false;

		}