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Ajax实现网易相册样式的修改

 2006-04-29 11:16:21 来源:WEB开发网   
核心提示:普通的Ajax应用,结合javascript对html元素的动态操控,Ajax实现网易相册样式的修改,结合而成一个优美的效果,还是用Ajax.net,设置与前篇文章一样,不再累述

普通的Ajax应用,结合javascript对html元素的动态操控,结合而成一个优美的效果。

还是用Ajax.net,设置与前篇文章一样,不再累述。
代码如下:
163photoTest.aspx.cs
using System;
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;
using System.Data.SqlClient;

public partial class _163photoTest : System.Web.UI.Page
{
   PRotected void Page_Load(object sender, EventArgs e)
   {
     description.Text  = GetDescription();
     AjaxPro.Utility.RegisterTypeForAjax(typeof(_163photoTest));
   }

   //取数据库里的描述
   protected string GetDescription()
   {
     try
     {
       string strComm = "select  photo_description from tab_photo where photo_id=1";
       SqlConnection myConn = new SqlConnection("user id=sa;passWord=123;Database =test;data source=z;");
       myConn.Open();
       SqlCommand myComm = new SqlCommand(strComm, myConn);
       SqlDataReader myReader = myComm.ExecuteReader();
       myReader.Read();
       return myReader.GetString(0);
     }
     catch
     {
       return "";
     }
   }

   [AjaxPro.AjaxMethod]
   //将description保存进数据库 www.cncms.com
   public bool UpdateDesc(string description)
   {
     try
     {
       string strComm = "update tab_photo set photo_description='" + description + "' where photo_id=1";
       SqlConnection myConn = new SqlConnection("user id=sa;password=123;Database =test;data source=z;");
       myConn.Open();
       SqlCommand myComm = new SqlCommand(strComm, myConn);
       myComm.ExecuteNonQuery();
       return true;
     }
     catch
     {
       return false;
     }
   }
}

163photoTest.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="163photoTest.aspx.cs" Inherits="_163photoTest" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
   <title>无标题页</title>
<script language="Javascript" type="text/javascript">
   function display()
   {
     document.getElementById('descfield').style.display='block';
     document.getElementById('descfield').value = document.getElementById('description').innerText ;
     document.getElementById('description').style.display='none';
     document.getElementById('save').style.display='block';
   }
   var s;
   function UpdateDesc()
   {
     s= document.getElementById("descfield").value;
     document.getElementById("descfield").value="正在保存";
     _163photoTest.UpdateDesc(s,UpdateDesc_callback);
   }
  
   function UpdateDesc_callback(res)
   {
     if (res)
     {
       document.getElementById('description').style.display='block';
       document.getElementById("description").innerText =s;
       document.getElementById('descfield').style.display='none';
       document.getElementById('save').style.display='none';
     }
   }
</script>
</head>
<body >
   <form id="form1" runat="server">
   <div id="div1" onmousemove="this.style.backgroundColor='#C0C0FF';" >
     <asp:Label ID="description" runat="server" Text="Label"></asp:Label>

   </div>
   <input type="text" id ="descfield"  />
     <input type="button" id="update" value="修改描述"  />
     <input type="button" id="save" value="保存修改"  />
     <br />
   </form>
</body>
</html>

出处:Coder at the Doorsill——风中聆听 BLOG

Tags:Ajax 实现 网易

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