updatepanel无刷新页面
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
     <title>无标题页</title>
</head>
<body>
     <form id="form1" runat="server">
     <div>      
      <asp:ScriptManager ID="ScriptManager1" runat="server" >
      </asp:ScriptManager>
        <asp:Label ID="Label2" runat="server" Text="Label" Width="134px"></asp:Label></div>          
      <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
        <ContentTemplate>
          <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
            <asp:Button ID="Button1" runat="server" OnClick="Button1_Click1" Text="Button" /><br />
             
        </ContentTemplate>
      </asp:UpdatePanel>
         </div>
     </div>
     </form>
</body>
</html>
.cs
  protected void Page_Load(object sender, EventArgs e)
     {
         Label2.Text = DateTime.Now.ToString();
         Label1.Text = DateTime.Now.ToString();
     }
     protected void Button1_Click1(object sender, EventArgs e)
     {
         Label1.Text = "heheh";
     }
我这样写的
怎么不是无刷新的啊
------解决方案--------------------yes!
------解决方案--------------------<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">  
  UpdateMode="Conditional">    Conditional 改成Always   试试