标签：
|
属性
|
说明
|
|
ChildrenAsTriggers
|
当UpdateMode属性为Conditional时，UpdatePanel中的子控件的异步回送是否会引发UpdatePanle的更新。
|
|
RenderMode
|
表示UpdatePanel终于呈现的HTML元素。Block（默认）表示<div>，Inline表示<span>
|
|
UpdateMode
|
表示UpdatePanel的更新模式，有两个选项：Always和Conditional。Always是无论有没有Trigger，其它控件都将更新该UpdatePanel，Conditional表示仅仅有当前UpdatePanel的Trigger，或ChildrenAsTriggers属性为true时当前UpdatePanel中控件引发的异步回送或者整页回送，或是server端调用Update()方法才会引发更新该UpdatePanel。
|
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title>Untitled Page</title> <style type="text/css">
body 
{ background-attachment:fixed;
background-image:url(Blue hills.jpg);
} .style1 { background-position:top center; } </style></head><body onload="oSpan.className=‘style1‘" > <form id="form1" runat="server"> <span style="font-size:14; width:250;" ID="oSpan" onmouseover="this.className=‘style2‘" onmouseout="this.className=‘style1‘"></span> <div> <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> </div> <asp:UpdatePanel ID="uid" runat="server"> <ContentTemplate> <div > <asp:Button ID="Button1" runat="server" Text="异步回送" OnClick="Button1_Click1" /> <asp:Button ID="Button2" runat="server" Text="整页回送" OnClick="Button2_Click" /><br /> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" Width="197px"> <Columns> <asp:BoundField DataField="au_lname" FooterText="aaaa" HeaderText="au_lname" /> </Columns> </asp:GridView> <br /> <asp:Label ID="Label1" runat="server" Text="当前时间" Font-Bold="True" Font-Size="Large"></asp:Label> </div> </ContentTemplate> <Triggers> <asp:AsyncPostBackTrigger ControlID="Button1" /> <asp:PostBackTrigger ControlID="Button2" /> </Triggers> </asp:UpdatePanel> <div id="div1" > </div> </form></body></html> protected void Button1_Click1(object sender, EventArgs e) { SqlConnection conn = new SqlConnection("server=.;uid=sa;pwd=;database=pubs"); string sql1 = "select top 5 au_lname from authors "; SqlDataAdapter myAdapter = new SqlDataAdapter(sql1, conn); DataSet ds = new DataSet(); myAdapter.Fill(ds, "bieminG"); //来自web service的dataset,这里随便一个ds就能够; this.GridView1.DataSource = ds.Tables["bieminG"].DefaultView; ; this.GridView1.DataBind(); //数据绑定 } protected void Button2_Click(object sender, EventArgs e) { this.Label1.Text = "11111"; }标签：
原文地址：http://www.cnblogs.com/bhlsheji/p/4309297.html
