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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="EasyUiLoad.aspx.cs" Inherits="EasyUiLoad" %>
<!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>EasyUI加载效果</title>
<style type="text/css">
body{font-size:12px}
.datagrid-mask{position:absolute;left:0;top:0;width:100%;height:100%;opacity:.5;filter:alpha(opacity=30);background-color:#e0ecff;display:none}
.datagrid-mask-msg{position:absolute;top:50%;margin-top:-20px;padding:10px 15px 10px 15px;width:auto;height:16px;border-width:2px;border-color:#68a5ff;border-style:solid;display:none}
.img1{vertical-align:middle;}
</style>
<script src="JS/jquery-1.9.1.js" type="text/javascript"></script>
<script type="text/javascript">
//load
function EasyUILoad() {
$("<div class=\"datagrid-mask\"></div>").css({ display: "block", width: "100%", height: "auto !important" }).appendTo("body");
$("<div class=\"datagrid-mask-msg\"></div>").html("<img src='images/loading.gif' class='img1' /> 正在运行，请稍候。。。").appendTo("body").css({ display: "block", left: ($(document.body).outerWidth(true) - 190) / 2, top: ($(window).height() - 45) / 2 });
}
//display Load
function dispalyEasyUILoad() {
$(".datagrid-mask").remove();
$(".datagrid-mask-msg").remove();
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="加载效果" OnClientClick="javascript:EasyUILoad();" onclick="Button1_Click" />
</div>
</form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class EasyUiLoad : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
System.Threading.Thread.Sleep(5000);
//处理逻辑...
//完成处理后恢复
ClientScript.RegisterStartupScript(this.GetType(), "closeLoad", "dispalyEasyUILoad();", true);
}
}
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原文地址：http://blog.csdn.net/smartsmile2012/article/details/43530295
