Ajax实现网易相册样式的修改
点击次数:27 次 发布日期:2008-11-26 23:17:50 作者:源代码网
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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.knowsky.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 onload="document.getElementById("descfield").style.display="none";document.getElementById("save").style.display="none";"> <form id="form1" runat="server"> <div id="div1" onmousemove="this.style.backgroundColor="#C0C0FF";" onmouseout="this.style.backgroundColor="";" onclick="display()"> <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" onclick="display()"/> <input type="button" id="save" value="保存修改" onclick="UpdateDesc()"/> <br /> </form> </body> </html> 出处:Coder at the Doorsill——风中聆听 BLOG 源代码网供稿. |
