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Editorial Team
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Asked: 2026-06-04T06:25:38+00:00

I use scriptManager in masterpage, because every content page is to be ajxify. In

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I use scriptManager in masterpage, because every content page is to be ajxify.

In content page, I use UpdatePanel and everything work fine but in case of content page where I use TabCOntainer, each time when I move from one tab to another tab, page is full postback.

Here one thing I notice that when I remove ScriptManager from master page and use in contentPage then tabContainer works fine.

What will be possible solution for such type condition?

MASTERPAGE

  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 <html xmlns="http://www.w3.org/1999/xhtml">

 <head id="Head1" runat="server">
 </head>

 <body>

   <form id="form1" runat="server">

  <asp:ScriptManager ID="ScriptManager1" runat="server">
   </asp:ScriptManager>

 <asp:UpdatePanel ID="UpdatePanel_Register" runat="server">
     <ContentTemplate>
        //Update Panel work at Master Page
      </ContentTemplate>
</asp:UpdatePanel>


           <asp:ContentPlaceHolder ID="showcase" runat="server">

            </asp:ContentPlaceHolder>

CONTENTPAGE

 <%@ Page Title="" Language="C#" MasterPageFile="~/MasterDashBoard.master" AutoEventWireup="true"
CodeFile="messages.aspx.cs" Inherits="messages" %>

  <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>


  <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">

   <asp:UpdatePanel ID="UpdatePanel_msg" runat="server" >

      <ContentTemplate>

        <cc1:TabContainer ID="TabContainer1" runat="server" ActiveTabIndex="0" AutoPostBack="True"
                        OnActiveTabChanged="TabContainer1_ActiveTabChanged">

           <cc1:TabPanel runat="server" HeaderText="TabPanel1" ID="TabPanel1" ToolTip="Compose Message">

               <HeaderTemplate>
                                Compose
               </HeaderTemplate>

               <ContentTemplate>
                        Some Work

               </ContentTemplate>

   </cc1:TabPanel>

       <cc1:TabPanel runat="server" HeaderText="TabPanel2" ID="TabPanel2">

                <HeaderTemplate>
                                inbox
                </HeaderTemplate>

                 <ContentTemplate>
            SOme Work
                 </ContentTemplate>
        </cc1:TabPanel>

      </cc1:TabContainer>
    </ContentTemplate>
 </asp:UpdatePanel>

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1 Answer

  1. Editorial Team

    I have a similar use case and set UpdateMode="Conditional", ChildrenAsTriggers="true" and use AsyncPostbackTriggers for the ActiveTabChanged event. In the ActiveTabChanged event handler i switch visibility of the containing controls and call Update on the according UpdatePanel and finally on the surrounding UpdatePanel. This allows furthermore to lazy-load the Tabs by loading their content only when needed.

    <asp:Content ID="Content1" ContentPlaceHolderID="MainContent" runat="server">
    <asp:ScriptManagerProxy ID="ScriptManagerProxy1" runat="server">
    </asp:ScriptManagerProxy>
    <div>
        <asp:UpdatePanel ID="UpdTabContainer" runat="server" UpdateMode="Conditional" ChildrenAsTriggers="true">
            <ContentTemplate>
                <asp:TabContainer ID="TabContainer1" runat="server" AutoPostBack="true">
                    <asp:TabPanel ID="TabDeliveryControl" runat="server" HeaderText="Delivery-Control">
                        <HeaderTemplate>
                            <asp:Panel ID="PnlTabDeliveryControl" runat="server" ToolTip="Delivery-Control">
                                Delivery-Control
                            </asp:Panel>
                        </HeaderTemplate>
                        <ContentTemplate>
                            <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
                                <ContentTemplate>
                                    <SVCS:SVCSDeliveryControl id="SVCSDeliveryControl" runat="server" Visible="false" />
                                </ContentTemplate>
                                <Triggers>
                                    <asp:AsyncPostBackTrigger ControlID="TabContainer1" EventName="ActiveTabChanged" />
                                </Triggers>
                            </asp:UpdatePanel>
                        </ContentTemplate>
                    </asp:TabPanel>
                    <asp:TabPanel ID="TabRepair" runat="server" HeaderText="Repair-Area" >
                        <HeaderTemplate>
                            <asp:Panel ID="PnlTabRepair" runat="server" ToolTip="Repair-Area">
                                Repair-Area
                            </asp:Panel>
                        </HeaderTemplate>
                        <ContentTemplate>
                            <asp:UpdatePanel ID="UpdatePanel4" runat="server" UpdateMode="Conditional">
                                <ContentTemplate>
                                    <SVCS:SVCSRepair id="SVCSRepair" runat="server" Visible="false" />
                                </ContentTemplate>
                                <Triggers>
                                    <asp:AsyncPostBackTrigger ControlID="TabContainer1" EventName="ActiveTabChanged" />
                                </Triggers>
                            </asp:UpdatePanel>
                        </ContentTemplate>
                    </asp:TabPanel>
                    <asp:TabPanel ID="TabShipping" runat="server" HeaderText="Shipping" Visible="false">
                        <HeaderTemplate>
                            <asp:Panel ID="PnlTabShipping" runat="server" ToolTip="Shipping">
                                Shipping
                            </asp:Panel>
                        </HeaderTemplate>
                        <ContentTemplate>
                            <asp:UpdatePanel ID="UpdatePanel5" runat="server" UpdateMode="Conditional">
                                <ContentTemplate>
                                    <SVCS:SVCSShipping id="SVCSShipping" runat="server" Visible="false" />
                                </ContentTemplate>
                                <Triggers>
                                    <asp:AsyncPostBackTrigger ControlID="TabContainer1" EventName="ActiveTabChanged" />
                                </Triggers>
                            </asp:UpdatePanel>
                        </ContentTemplate>
                    </asp:TabPanel>
                </asp:TabContainer>
            </ContentTemplate>
        </asp:UpdatePanel>
    </div>
</asp:Content>
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