Asp.Net Ajax 局部刷新

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局部刷新不起作用,请高手帮看看,谢谢~!下面是页面代码: 在线等。。。


<%@ Page Language="C#" MasterPageFile="~/Pages/Master.master" AutoEventWireup="true" CodeFile="Index.aspx.cs" Inherits="Index" Title="无标题页" ValidateRequest="false" %>

<%@ Register Assembly="FreeTextBox" Namespace="FreeTextBoxControls" TagPrefix="FTB" %>

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<table style="width:100%;" align="center" border="1">
<tr>
<td rowspan="2" style="width:180px; height:400px; font-size:14px; background-image:url(../Images/Image/ry_bg.jpg);">

<table style="width: 100%; height: 353px;">
<tr>
<td>
 </td>
<td align="center">
<asp:Label ID="LblHotelName" runat="server" Text="Label"></asp:Label>
</td>
<td>
 </td>
</tr>
<tr>
<td style="height: 313px">
</td>
<td align="center" style="height: 313px">
<asp:Repeater ID="RepUserInfo" runat="server">
<ItemTemplate>
<table>
<tr align="center">
<td style="width:70px"><asp:Label ID="LblName" runat="server"><%#DataBinder.Eval(Container.DataItem,"UserPetName")%></asp:Label></td>
</tr>
</table>
<br />
</ItemTemplate>
</asp:Repeater>

</td>
<td style="height: 313px">
</td>
</tr>
<tr>
<td>
 </td>
<td>
 </td>
<td>
 </td>
</tr>
</table>

</td>
<td style="height: 300px; font-size:14px; background-image:url(../Images/Image/nr_bg.jpg);">
<table style="width: 581px; height: 151px">
<tr>
<td>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:Timer ID="Timer1" runat="server" Interval="5000" ontick="Timer1_Tick">
</asp:Timer>
</td>
</tr>

<tr> <td>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">

<ContentTemplate>

<asp:Repeater ID="RepMessageInfo" runat="server">
<ItemTemplate>

<table style="text-align:center">
<tr>
<td align="center">
<asp:Label ID="Label5" runat="server" Visible="true"><%#DataBinder.Eval(Container.DataItem,"LoginName")%></asp:Label>
对<asp:Label ID="Label6" runat="server" Visible="true"><%#DataBinder.Eval(Container.DataItem,"Str1")%></asp:Label>
说:
</td>
<td align="left">
<asp:Label ID="Label4" runat="server" Visible="true"><%#DataBinder.Eval(Container.DataItem,"MessageContent")%></asp:Label>
</td>
</tr>
</table>

</ItemTemplate>
</asp:Repeater>

</ContentTemplate>

<Triggers>
<asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick" />
</Triggers>

</asp:UpdatePanel>

</td>
</tr>

<tr>
<td style="width: 258px">


</td>
</tr>
</table>
</td>
</tr>
<tr>
<td style="font-size:14px; height:35%;">

<table style="width: 100%; height: 100px; background-image:url(../Images/Image/sr_bg.jpg);">
<tr style="background-color:#c6d8e4;">
<td >

<asp:Label ID="Label2" runat="server" Text="聊天对象:"></asp:Label>

 <asp:DropDownList ID="DropDownList1" runat="server"
DataTextField="UserPetName" DataValueField="UserCode">
<asp:ListItem Selected="True" Value="0">大家</asp:ListItem>
</asp:DropDownList>
     
<asp:LinkButton ID="LnkBtnInit" runat="server" onclick="LnkBtnInit_Click">清空聊天对象</asp:LinkButton>
     
</td>
</tr>
<tr>
<td>
<FTB:FreeTextBox ID="TxtAddMessageInfo" runat="server" Height="100px"
Width="100%">
</FTB:FreeTextBox>

</td>
</tr>
<tr>
<td align="center"
style="height: 19px; background-image:url(../Images/Image/qd_bg.jpg);">
<asp:ImageButton ID="ImgBtnOk" runat="server" onclick="ImgBtnOk_Click" />
</td>
</tr>
</table>

</td>
</tr>
</table>
</asp:Content>

...全文

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