Arkadaşlar local de çalışırken hiçbir sıkıntı yok update panel de ajaxtoolkit de sorunsuz çalışıyor fakat publish sonrası hostinge attığımda updatepanel işlevini yerine getirmiyor. butona tıklayınca verileri çekiyor ama sayfa yenileniyor. sabahtır şu sorunla uğraşıyorum hosting deki framework versiyonu 4.8 varmı daha önce publish sonrası ajax sorunları yaşayanlar lütfen yardımcı olur musunuz.

updatepanel
Alıntı 
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" EnableCdn="true" runat="server"></asp:ScriptManager>
  
  <asp:UpdatePanel ID="UpdatePanel1" UpdateMode="Conditional" ChildrenAsTriggers="true" runat="server">

<ContentTemplate>

<asp:DataList ID="rpt" RepeatColumns="1" RepeatLayout="Flow" runat="server">
<ItemTemplate>

<div class="panel ">
<blockquote class="blockquote">
<div class="row no-gutters">

<div class="col-md-4">

<img src="<%# Eval("yazi_resim_url") %>" class="img-fluid" style="padding-right: 10px; min-height: 100%;" alt="Alternate Text" />

</div>

<div class="col-md-8">

<h3><%# Eval("yazi_baslik") %></h3>
<h4 class="">
<%# Eval("yazi_icerik").ToString().Substring(0,1) %> ...

</h4>
<h5 style="color: White;" class=""><i class="tim-icons icon-tap-02"></i>
Okunma Sayısı : <span><%# Eval("yazi_okunma") %></span>
<br />
<i class="tim-icons icon-time-alarm"></i>
Yayınlanma Tarihi : <span><%# Eval("yazi_yayin_tarihi") %></span> <a href="/blog/icerik-<%# Eval("yazi_url") %>" class="btn btn-info pull-right">Devamını Oku ...</a> </h5>

</div>

</div>
</blockquote>
</div>


</ItemTemplate>
</asp:DataList>


<asp:Button CssClass="btn btn-outline-darker" ID="btnnext" runat="server" Text="Daha Fazla Göster"
OnClick="btnnext_Click" /></td>


</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="btnnext" />
</Triggers>

</asp:UpdatePanel>

</form>
webconfig
Alıntı 
<?xml version="1.0"?>

<configuration>
[B]<configSections>
<section name="ajaxControlToolkit" type="AjaxControlToolkit.AjaxControlToolkitConfigSection, AjaxControlToolkit"/>
</configSections>[/B]

<system.web>
<pages validateRequest="false" enableViewStateMac="false" viewStateEncryptionMode="Never" maintainScrollPositionOnPostBack="true" controlRenderingCompatibilityVersion="4.0">
[B]<controls>
<add tagPrefix="ajaxToolkit" assembly="AjaxControlToolkit" namespace="AjaxControlToolkit"/>
</controls>[/B]
</pages>
<globalization culture="tr-TR" uiCulture="tr-TR"/>
<compilation debug="true" targetFramework="4.8"/>
<httpRuntime executionTimeout="120"/>
<customErrors defaultRedirect="/hata" mode="Off"/>
<trace enabled="false" localOnly="true"/>
</system.web>
<connectionStrings>
<add connectionString="Data Source=.\SQLEXPRESS;initial catalog=db; uid=sa; pwd=12345;" name="bag" providerName="System.Data.SqlClient"/>
</connectionStrings>
<system.webServer>
<httpProtocol>
<customHeaders>
<remove name="X-Powered-By"/>
<remove name="Server"/>
<remove name="X-AspNet-Version"/>
<add name="X-FRAME-OPTIONS" value="ALLOW"/>
</customHeaders>
</httpProtocol>
<defaultDocument enabled="true">
<files>
<clear/>
<add value="Default.aspx"/>
</files>
</defaultDocument>
<security>
<requestFiltering>
<verbs allowUnlisted="false">
<add verb="GET" allowed="true"/>
<add verb="POST" allowed="true"/>
</verbs>
</requestFiltering>
</security>
</system.webServer>
[B]<ajaxControlToolkit htmlSanitizer="AjaxControlToolkit.HtmlEditor.Sanitizer.DefaultHtmlSanitizer, AjaxControlToolkit.HtmlEditor.Sanitizer"/>[/B]
</configuration>