placeholder.aspx.cs

关于ASP.NET制作程序模块

using System;
using System.Data;
using System.Configuration;
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 _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void createList_Click(object sender, EventArgs e)
    {

        this.createList.Visible = false;
        Label labout = new Label();
        PlaceHolder1.Controls.Add(labout);
        labout.Text = "添加控件的及信息如下所示：<br>";
        ListBox list1 = new ListBox();
        PlaceHolder1.Controls.Add(list1);
        list1.ID = "list1";
        list1.Width = 90;
        list1.Height = 110;
        list1.Items.Add(new ListItem("火车","0"));
        list1.Items.Add(new ListItem("汽车", "1"));
        list1.Items.Add(new ListItem("班车", "2"));
        list1.Items.Add(new ListItem("货车", "3"));
        list1.Items.Add(new ListItem("机动车", "4"));
        
    }
}