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asp.net ajax 一个页面的多个UpdatePanel同时刷新的时候相互影响,这个问题怎么解决?求高手帮忙。

asp.net ajax 一个页面的多个UpdatePanel同时刷新的时候相互影响,这个问题怎么解决?求高手帮忙。
代码入下:

<asp:ScriptManager ID="svctabScriptManager" runat="server" EnablePartialRendering="true" AsyncPostBackTimeout="500000000"></asp:ScriptManager> 
    <asp:UpdatePanel ID="UpdatePanel2" runat="server" UpdateMode="Always">
    <ContentTemplate>

 <div class="content">
                <asp:UpdatePanel ID="ajaxSVCUpdate" runat="server" UpdateMode="Conditional"  >
                      <Triggers>
                         <asp:AsyncPostBackTrigger ControlID="addRolesButton" EventName="Click" />
                         <asp:AsyncPostBackTrigger ControlID="removeRolesButton" EventName="Click" />
                     </Triggers>   
                    <ContentTemplate>                
                        <div style="width:47%;float:left">
                            <asp:Label ID="availRolesLabel" runat="server" CssClass="emphasisedlabel" Text="Available Roles"></asp:Label><br />
                            <asp:ListBox id="availRolesListBox" runat="server" SelectionMode="Multiple" DataValueField="name" Height="350px" Width="320px"></asp:ListBox>
                        </div>
                        <div style="width:6%;float:left;padding-top:140px;">
                            <asp:Button ID="addRolesButton" runat="server" Text=">" OnClick="AddRole_Click" CausesValidation="false" /><br /><br /><br />
                            <asp:Button ID="removeRolesButton" runat="server" Text="<" OnClick="RemoveRole_Click" CausesValidation="false" />
                        </div>
                        <div style="width:47%;float:left">
                            <asp:Label ID="assignedRolesLabel" runat="server" CssClass="emphasisedlabel" Text="Assigned Roles"></asp:Label><br />
                            <asp:ListBox id="assignedRolesListBox"  ValidationGroup="AddUser" runat="server" SelectionMode="Multiple" DataValueField="name" Height="350px" Width="320px"></asp:ListBox>                    
                           <asp:RequiredFieldValidator ID="RequiredFieldValidator5" ValidationGroup="AddUser" runat="server" Display="Dynamic" 
                        ControlToValidate="assignedRolesListBox" SetFocusOnError="True" meta:resourcekey="AddUserResource6">
                        </asp:RequiredFieldValidator>
                        </div>
                    </ContentTemplate>
                </asp:UpdatePanel>
                
                 <%--<span class="hintspacer"> </span>    --%>
       <asp:UpdateProgress ID="UpdateProgress3"  AssociatedUpdatePanelID="ajaxSVCUpdate" runat="server">
        <ProgressTemplate>
        
        <span class="hintspacer"> </span>    
          Processing.....<br /><span class="hintspacer"> </span>  
       <asp:Image ID="Image2"  ImageUrl="~/App_Themes/experience2/images/processbar.gif" runat="server" /> 
        </ProgressTemplate>
        
        </asp:UpdateProgress>
        
                
                <div class="clear"></div>
            </div>
 <div class="content">
                <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional"  >
                      <Triggers>
                         <asp:AsyncPostBackTrigger ControlID="addOrgButton" EventName="Click" />
                         <asp:AsyncPostBackTrigger ControlID="removeOrgButton" EventName="Click" />
                     </Triggers>   
                    <ContentTemplate>            
                        <div style="width:47%;float:left">
                            <asp:Label ID="availOrgLabel" runat="server" CssClass="emphasisedlabel" Text="Available Organizations"></asp:Label><br />
                            <asp:ListBox id="availOrgListBox" runat="server" SelectionMode="Multiple" DataTextField="name" DataValueField="erid" Height="150px" Width="320px"></asp:ListBox>
                        </div>
                        <div style="width:6%;float:left;padding-top:50px;">
                            <asp:Button ID="addOrgButton" runat="server" Text=">" OnClick="AddOrg_Click" CausesValidation="false" /><br /><br /><br />
                            <asp:Button ID="removeOrgButton" runat="server" Text="<" OnClick="RemoveOrg_Click" CausesValidation="false" />
                        </div>
                        <div style="width:47%;float:left">
                            <asp:Label ID="assignedOrgLabel" runat="server" CssClass="emphasisedlabel" Text="Assigned Organizations"></asp:Label><br />
                            <asp:ListBox id="assignedOrgListBox" runat="server" SelectionMode="Multiple" DataTextField="name" DataValueField="erid" Height="150px" Width="320px"></asp:ListBox>                    
                            <asp:RequiredFieldValidator ID="RequiredFieldValidator6" ValidationGroup="AddUser" runat="server" Display="Dynamic" 
                        ControlToValidate="assignedOrgListBox" SetFocusOnError="True" meta:resourcekey="AddUserResource6">
                        </asp:RequiredFieldValidator>
                            
                        </div>
                    </ContentTemplate>
                </asp:UpdatePanel>
                <span class="hintspacer"> </span>    
      <asp:UpdateProgress ID="UpdateProgress1"  AssociatedUpdatePanelID="UpdatePanel1" runat="server">
        <ProgressTemplate>
          Processing.....<br />
          <span class="hintspacer"> </span>    
            <asp:Image ID="Image1"  ImageUrl="~/App_Themes/experience2/images/processbar.gif" runat="server" />
      
        </ProgressTemplate>
        
        </asp:UpdateProgress>
                
                
                <div class="clear"></div>
            </div>
</ContentTemplate>
    <Triggers>
    <asp:AsyncPostBackTrigger ControlID="saveChangeButton" EventName="Click" />
    <asp:AsyncPostBackTrigger ControlID="cancelChanges" EventName="Click" />
    <asp:AsyncPostBackTrigger ControlID="ResetPasswordButton" EventName="Click" />
    </Triggers>
    </asp:UpdatePanel>
asp.net ajax UpdatePanel --------------------编程问答-------------------- 建议最好是只用一个Updatepanel
补充:.NET技术 ,  ASP.NET
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