原文发布时间为:2008-07-29 —— 来源于本人的百度文章 [由搬家工具导入]
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class Default3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
ArrayList name = new ArrayList();
name.Add("lily");
name.Add("lucy");
name.Add("lilei");
DropDownList1.DataSource = name;
DropDownList1.DataBind();
}
}
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
switch (DropDownList1.SelectedValue)
{
case "lily":
Label1.Text = "lily a";
break;
case "lucy":
Label1.Text = "lucy b";
break;
case "lilei":
Label1.Text = "lilei c";
break;
}
}
protected void Button1_Click(object sender, EventArgs e)
{
string add = TextBox1.Text;
DropDownList4.Items.Add(add);
}
}