1
<asp:UpdatePanelID="UpdatePanel1"
UpdateMode="Conditional"
runat="server">
<ContentTemplate>
<asp:Button ID="Button1"
Text="RefreshPanel"
runat="server"/>
</ContentTemplate>
</asp:UpdatePanel>
2
<%@ Register Assembly="Microsoft.Web.Atlas" Namespace="Microsoft.Web.UI" TagPrefix="cc1" %>
<cc1:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="True">
</cc1:ScriptManager>
<asp:DropDownList ID="aaa" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddlthumbnail_SelectedIndexChanged">
</asp:DropDownList>
<cc1:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Label ID="lblatnail" runat="server" Text="" Visible=false></asp:Label>
<asp:LinkButton ID="lbtnatnail" runat="server" Visible=false>View</asp:LinkButton>&
1.using gizp compress page ,gif file can't be compressed.
2.put script at the bottom,and put css at the top.
3.make the css and js external.
4.load-on-demand.(If a UI block need to show by control.Set visibable=false. and enableviewstate=true,override the saveviewstate method.)
5.remove the dupl ......
1.在工具箱中添加Brettle.Web.NeatUpload.dll，可以看到工具箱中出现InputFile等控件。
2.复制文件夹NeatUpload到根目录.
3.拖放使用上传控件InputFile和进度条ProgressBar,添加上传文件的按钮.aspx页面代码如下：
<body>
<form id="form1" runat="server">
<div>
<upload: ......
