普通的Ajax應(yīng)用，結(jié)合javascript對html元素的動態(tài)操控，結(jié)合而成一個優(yōu)美的效果。
還是用Ajax.net，設(shè)置與前篇文章一樣，不再累述。
代碼如下：
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));
}
//取數(shù)據(jù)庫里的描述
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]
//將description保存進數(shù)據(jù)庫 www.survivalescaperooms.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" " <html xmlns="<head runat="server"> </div> 出處：Coder at the Doorsill——風(fēng)中聆聽 BLOG
<title>無標題頁</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>
<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>
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