default.aspx.cs

上海中商互联 六线主机空间

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)
    {
        if (!IsPostBack)
        {
            for (int i = 1; i < 5; i++)
            {
                DropDownList1.Items.Add(i + ".gif");//填充下拉列表
            }
        }
    }
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {//用下拉列表中的图片使控件显示
        Image2.ImageUrl = "~/img/" + DropDownList1.SelectedValue.ToString();//图片控件的地址为~/img/＋下拉菜单的值
    }
    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {//响应图片的鼠标点击事件,
        switch (((ImageButton)sender).CommandName)
        { 
            case "a":
                Label1.Text = "不小心点了第一个图片";
                break;
            case "b":
                Label1.Text = "第二个图片被你点了";
                break;
            case"c":
                Label1.Text = "你点了第三个图片";
                break;
        }
    }
    protected void ImageButton4_Click(object sender, ImageClickEventArgs e)
    {
        int x = Convert.ToInt32(e.X);
        int y = Convert.ToInt32(e.Y);

        Label4.Text = "你鼠标刚才摔下来的位置是"+x+"."+y;

        if (x < 150 && y < 150)//为了让你看得清楚，你可以对比 Label4显示出来的坐标看下了！呵呵
        {
            Label5.Text = "<a href='http://www.hc115.com'>你点了洪川医药的<b><font size=30>洪</font></b></a>";
        }
        else if (x > 150 && y < 150)
        {
            Label5.Text = "<a href='http://www.hc115.com'>你点了洪川医药的<b><font size=30>川</font></b></a>";
        }
        else if (x < 150 && y > 150)
        {
            Label5.Text = "<a href='http://www.hc115.com'>你点了洪川医药的<b><font size=30>医</font></b></a>";
        }
        else if (x > 150 && y > 150)
        {
            Label5.Text = "<a href='http://www.hc115.com'>你点了洪川医药的<b><font size=10>药</font></b></a>";
        }
    }
}