Only 1 RadCombobox working on a page

[Karl]

I have a RadCombobox controlling a grid with a dropdowncolumn. In the grid a column called Displayname shows the correct name.  In the edit mode the dropdown is there - however it stays frozen on the selected item. 

Its all in a DNN environment, where I have also noted that if there are 2 radcomboxes on the page even with seperate sqldatasources, the second radcombobox does not even dimmer when the mouse roles over it.  Needless to say there is also no dropdown list.

Am I doing something wrong...

Thanks 

[Steve]

Hi Karl,

Is the mentioned problem observed only in DNN environment? Does replicating this online example in DNN causes the same issue? Any additional information would be highly appreciated.

Kind regards,
Steve
the Telerik team

Instantly find answers to your questions at the new Telerik Support Center

[Karl]

Hi Steve,
You are referring to  this online example  which, when you take a closer look does not have the convienence of a griddropdownitem which would save time etc. I might move to that directtion.

I had hoped telerik:GridDropDownColumn would work. It would be so convienient.  I believe it needs some polishing.  Your online example does not show a GridDropDownColumn but a work around, using edititemtemplate and then a radcombobox. 

Maybe I should switch to that.

I have also noticed that a breakpoint in RadComboBox1_ItemsRequested
is never reached...
 
Something seems to get lost somewhere... try it.

I'm sorry I am under time pressure, but I suggest you try to reconstruct a grid with griddropdowns in a dnn environment and you may have a few ideas where to start ...

Karl

[Steve]

Hello Karl,

We've been unable to reproduce the problem on our end. Here is the code we've used for testing:

  <telerik:RadGrid ID="RadGrid2" DataSourceID="SqlDataSource3" AllowPaging="True" runat="server"
            AutoGenerateColumns="False" AllowSorting="True" PageSize="3" Width="925px" GridLines="None"
            CellPadding="0" Skin="Vista">
            <PagerStyle Mode="NextPrevAndNumeric" />
            <MasterTableView DataKeyNames="OrderID" AutoGenerateColumns="false">
                <Columns>
                    <telerik:GridBoundColumn UniqueName="OrderID" HeaderText="GridBoundColumn" DataField="OrderID"
                        ReadOnly="true" />
                    <telerik:GridDateTimeColumn DataField="OrderDate" HeaderText="GridDateTimeColumn"
                        UniqueName="OrderDate" PickerType="DateTimePicker" />
                    <telerik:GridNumericColumn DataField="Freight" HeaderText="GridNumericColumn" UniqueName="Freight" />
                    <telerik:GridDropDownColumn DataField="OrderID" ListTextField="OrderID" ListValueField="OrderID"
                        DataSourceID="SqlDataSource4" HeaderText="RadComboBox 1"
                        DropDownControlType="RadComboBox" />
                    <telerik:GridDropDownColumn DataField="ShipCountry" ListTextField="ShipCountry" ListValueField="ShipCountry"
                        DataSourceID="SqlDataSource4" HeaderText="RadComboBox 2"
                        DropDownControlType="RadComboBox" />
                    <telerik:GridEditCommandColumn UniqueName="EditCommandColumn" />
                </Columns>
            </MasterTableView>
        </telerik:RadGrid>
        <asp:SqlDataSource ID="SqlDataSource3" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
            ProviderName="System.Data.SqlClient" SelectCommand="SELECT * FROM Orders" runat="server">
        </asp:SqlDataSource>
        <asp:SqlDataSource ID="SqlDataSource4" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
            ProviderName="System.Data.SqlClient" SelectCommand="SELECT OrderID, ShipCountry FROM Orders"
            runat="server"></asp:SqlDataSource>

Both combos are working as expected in edit mode. Can you verify this on your end?

Best wishes,
Steve
the Telerik team

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[Karl]

Thanks Steve,
I'm only working in a DNN environment.  I've copied your example with datafieldname modifications - all rest being equal and I get the same symptom. In the edit mode the GridDateTimeColumn and the RadCombox2 are there but the dropdowns do not respond. 

 <telerik:RadGrid ID="RadGrid1" DataSourceID="SqlDataSource3" AllowPaging="True" runat="server"
            AutoGenerateColumns="False" AllowSorting="True" PageSize="3" Width="925px" GridLines="None"
            CellPadding="0" Skin="Vista">
            <PagerStyle Mode="NextPrevAndNumeric" />
            <MasterTableView DataKeyNames="SFU_StudentAnalysenID" AutoGenerateColumns="false">
                <Columns>
                    <telerik:GridBoundColumn UniqueName="SFU_StudentAnalysenID" HeaderText="GridBoundColumn" DataField="SFU_StudentAnalysenID"
                        ReadOnly="true" />
                    <telerik:GridDateTimeColumn DataField="Von" HeaderText="GridDateTimeColumn"
                        UniqueName="Von" PickerType="DateTimePicker" />
                    <telerik:GridNumericColumn DataField="Stunden" HeaderText="GridNumericColumn" UniqueName="Stunden" />

                    <telerik:GridDropDownColumn DataField="Analytiker_UserID" ListTextField="AnalytikerName" ListValueField="Analytiker_UserID"
                        DataSourceID="SqlDataSource4" HeaderText="RadComboBox 2"
                        DropDownControlType="RadComboBox" />
                    <telerik:GridEditCommandColumn UniqueName="EditCommandColumn" />
                </Columns>
            </MasterTableView>
        </telerik:RadGrid>
        <asp:SqlDataSource ID="SqlDataSource3" ConnectionString="<%$ ConnectionStrings:SiteSqlServer %>"
            ProviderName="System.Data.SqlClient" runat="server"
      SelectCommand="SELECT SFU_StudentAnalysenID, Student_UserID, Von, Stunden, Notiz, Users.DisplayName as DisplayName, Analytiker_UserID FROM SFU_StudentAnalysen LEFT OUTER JOIN Users ON Analytiker_UserID = Users.UserID ">
        </asp:SqlDataSource>
        <asp:SqlDataSource ID="SqlDataSource4" ConnectionString="<%$ ConnectionStrings:SiteSqlServer %>"
            ProviderName="System.Data.SqlClient"
            SelectCommand="SELECT Users.UserID as Analytiker_UserID, Users.DisplayName as AnalytikerName, Roles.RoleName FROM Users INNER JOIN UserRoles ON Users.UserID = UserRoles.UserID INNER JOIN Roles ON UserRoles.RoleID = Roles.RoleID WHERE (Roles.RoleName = N'Lehranalytiker') ORDER BY Users.DisplayName"
            runat="server"></asp:SqlDataSource>

In the mean time I am substituting with radC:RadComboBox and radCln:RadDatePicker. I wonder if the problem has to do with the DNN environment... Try placing your example in a DNN environment - you should get the same problem.  ie the prometheus-dropdowns in editmode are not responding.

Karl

[Dimitar Milushev]

Hi Karl Golling,

I tested the exact code that Steve posted, in a DNN Module, and the ComboBoxes seem to work fine in FireFox, IE6 and IE7. I tested it in a 4.8.0 DNN installation with the default skin.

It is possible that this is a CSS issue so can you please test your case in a default DNN installation with the default DNN-Blue skin?

Sincerely yours,
Dimitar Milushev
the Telerik team

Instantly find answers to your questions at the new Telerik Support Center

[Karl]

Hi Dimitar,

I glad it is working in a DNN environment on your side.  I am using the default development and the default blue skin... 

However, I realised that my DNN version is still on 4.60. We might be having an issue there.  I've tried to install 4.8.2 but I am still having a few problems with that.  I'll try installing 4.8 over the weekend and will let you know.
In the mean time, thank you

Karl

[Karl]

I have now installed DNN ver 482. Earlier developed modules work perfectly with it. Here's a code where again, only the first dropdown works.  The second does not fire a dropdown. 

<%@ Control language="vb" Inherits="YourCompany.Modules.SFU_Studenten1.ViewSFU_Studenten1" CodeFile="ViewSFU_Studenten1.ascx.vb" AutoEventWireup="false" Explicit="True" %>
<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>
<%@ Register TagPrefix="dnn" TagName="Audit" Src="~/controls/ModuleAuditControl.ascx" %>

<asp:SqlDataSource ID="SqlStudenten" runat="server" ConnectionString="<%$ ConnectionStrings:SiteSqlServer %>" SelectCommand="SELECT Users.DisplayName, Users.UserID FROM Users INNER JOIN UserRoles ON Users.UserID = UserRoles.UserID INNER JOIN Roles ON UserRoles.RoleID = Roles.RoleID WHERE (Roles.RoleName = N'StudentAktiv') ORDER BY Users.DisplayName"></asp:SqlDataSource>
<asp:SqlDataSource ID="SqlLehr" runat="server" ConnectionString="<%$ ConnectionStrings:SiteSqlServer %>" SelectCommand="SELECT Users.DisplayName, Users.UserID FROM Users INNER JOIN UserRoles ON Users.UserID = UserRoles.UserID INNER JOIN Roles ON UserRoles.RoleID = Roles.RoleID WHERE (Roles.RoleName = N'Lehranalytiker') ORDER BY Users.DisplayName"></asp:SqlDataSource>
<telerik:RadComboBox ID="RadComboBox1" runat="server" DataSourceID="SqlStudenten"
    DataValueField="UserID" DataTextField="DisplayName" RadComboBoxImagePosition="Right">
    <CollapseAnimation Duration="200" Type="OutQuint" />
    <ExpandAnimation Type="OutQuart" />
</telerik:RadComboBox>
<telerik:RadComboBox ID="RadComboBox2" runat="server" DataSourceID="SqlLehr" RadComboBoxImagePosition="Right"
DataValueField="UserID"  DataTextField="DisplayName">
    <CollapseAnimation Duration="200" Type="OutQuint" />
    <ExpandAnimation Type="OutQuart" />
</telerik:RadComboBox>

The code has been reduced to two datasources and two radcomboboxes.  In the example radcombobox2 does not fade when the mouse is over it and the dropdownlist does not show.  What can I do? 
One question, when creating the site - not the module - I get an errormsg 'controlWindow.js' is missing.  I have no idea what that is but I am told it will work.   Do you adress that file?

[Dimitar Milushev]

Hello Karl Golling,

The 'controlWindow.js' is not a file used or referenced by one of our controls. It is possible that if your DNN installation is missing this file for some reason, a Javascript error may be thrown by the browser, interrupting the Javascript code of the RadComboBox. You should make a google search and find out what may be causing the problem with this controlWindow.js file.

I am attaching two screenshots that show both ComboBoxes of the example working in a DNN enviornment.

Sincerely yours,
Dimitar Milushev
the Telerik team

Instantly find answers to your questions at the new Telerik Support Center

[Karl]

Thanks for the pictures Dimitar.  You make me envious.

On my end only the first Control fires.  There is no dimming of the dropdowntext when I rollover the second control.  If I change the control sequence again, only the first (top) control works.

Here's my code - I don't think it could be simpler:

<%@ Control language="vb" Inherits="YourCompany.Modules.SFU_LehrAnalytiker.ViewSFU_LehrAnalytiker" CodeFile="ViewSFU_LehrAnalytiker.ascx.vb" AutoEventWireup="false" Explicit="True" %>
<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>
<%@ Register TagPrefix="dnn" TagName="Audit" Src="~/controls/ModuleAuditControl.ascx" %>

<telerik:RadComboBox ID="RadComboBox1" runat="server" DataSourceID="SqlStudent" RadComboBoxImagePosition="Right" DataTextField="Displayname" DataValueField="UserID">
    <CollapseAnimation Duration="200" Type="OutQuint" />
    <ExpandAnimation Type="OutQuart" />
</telerik:RadComboBox>
<asp:SqlDataSource ID="SqlStudent" runat="server" ConnectionString="<%$ ConnectionStrings:SiteSqlServer %>"
    SelectCommand="SELECT UserID, DisplayName from Users">
</asp:SqlDataSource>
<asp:SqlDataSource ID="SqlLehranalytiker" runat="server" ConnectionString="<%$ ConnectionStrings:SiteSqlServer %>"
    SelectCommand="SELECT UserID, DisplayName from Users">
</asp:SqlDataSource>
<telerik:RadComboBox ID="RadComboBox2" runat="server" DataSourceID="SqlLehranalytiker" RadComboBoxImagePosition="Right" DataTextField="DisplayName" DataValueField="UserID">
    <CollapseAnimation Duration="200" Type="OutQuint" />
    <ExpandAnimation Type="OutQuart" />
</telerik:RadComboBox>

I'm at my witts end with this one.
Karl

[Dimitar Milushev]

Hi Karl Golling,

Please find attached the sample module that I used to test the described scenario. Please install it and give it a try. If it does not work in your DNN installation, you should check your website for javascript errors as they may interfere with the client-side code of RadTreeView.

Kind regards,
Dimitar Milushev
the Telerik team

Instantly find answers to your questions at the new Telerik Support Center

[Karl]

Hi Dimitar,
Thank you for your work in creating a module specifically to test my issue.  I've installed it - and again, only the first dropdown is firing.   I will create a new DNN and try it on that. Give me a few days and I will return.
Karl 

[Karl]

I've moved on to vs 2008 from vs 2005 and do not have the problem there.  How knows what it was...  Thank you.

[Karl]

I've come back here to this issue because it is hauting me, plus slowing down a project.  Locally (on my development machine) your zipped combotest works - but why wouldn't it work on the production server.   I have place the module on www.sfpu.org take a look you will recognize it. Only the first dropdown gets activated.
Thank you for all your work

Karl

[Rosi]

Hello Karl Golling,

When I opened your site a js error appeared -Sys.WebForms.PageRequestManager is null or not an object
This is the reason why the modul does not work.

This JavaScript error might indicate that ASP.NET Ajax is not configured properly. You can check the following web page for all required steps.

Also this error shows that your DNN version might not be compatible with MS Ajax. Try removing the following line from the web.config:

 <xhtmlConformance mode="Legacy"/>


Kind regards,
Rosi
the Telerik team

Instantly find answers to your questions at the new Telerik Support Center

[Karl]

Hi Rosi,
Thanks for the reply.  It's strange that you cannot load the home page without js errors.  I can do that here.  I checked the web.config file and saw there is no  <xhtmlConformance mode="Legacy"/>    line in it. I'm sending you the web.config file which was automatically generated by my provider - I guess it is a large provider in the US and if something is not properly I would draw their attention to it, so that others won't have to go through this.  I have deleted machinekeys and db infos. So I believe it is safe to send you this. 


Thanks
Karl

<configuration>
  <!-- register local configuration handlers -->
  <configSections>
    <sectionGroup name="dotnetnuke">
      <!-- the requirePermission attribute will cause a syntax warning - please ignore - it is required for Medium Trust

support-->
      <section name="data" requirePermission="false" type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler,

DotNetNuke" />
      <section name="logging" requirePermission="false" type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler,

DotNetNuke" />
      <section name="scheduling" requirePermission="false"

type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler, DotNetNuke" />
      <section name="htmlEditor" requirePermission="false"

type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler, DotNetNuke" />
      <section name="navigationControl" requirePermission="false"

type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler, DotNetNuke" />
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type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler, DotNetNuke" />
      <section name="searchDataStore" requirePermission="false"

type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler, DotNetNuke" />
      <section name="friendlyUrl" requirePermission="false"

type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler, DotNetNuke" />
      <section name="caching" requirePermission="false" type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler,

DotNetNuke" />
      <section name="authentication" requirePermission="false"

type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler, DotNetNuke" />
      <section name="members" requirePermission="false" type="DotNetNuke.Framework.Providers.ProviderConfigurationHandler,

DotNetNuke" />
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DotNetNuke" />
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DotNetNuke" />
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  </configSections>
  <connectionStrings>
    <!-- Connection String for SQL Server 2005 Express -->
    <add name="SiteSqlServer" connectionString="Server=WSS08;" providerName="System.Data.SqlClient" />
    <!-- Connection String for SQL Server 2000/2005
    <add
      name="SiteSqlServer"
      connectionString="Server=(local);Database=DotNetNuke;uid=;pwd=;"
      providerName="System.Data.SqlClient" />
   -->
  </connectionStrings>
  <appSettings>
    <!-- Connection String for SQL Server 2005 Express - kept for backwards compatability - legacy modules   -->
    <add key="SiteSqlServer" value="Server=WSS" />
    <!-- Connection String for SQL Server 2000/2005 - kept for backwards compatability - legacy modules
    <add key="SiteSqlServer" value="Server=(local);Database=DotNetNuke;uid=;pwd=;"/>
    -->
    <add key="InstallTemplate" value="DotNetNuke.install.config" />
    <add key="AutoUpgrade" value="true" />
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    <add key="ShowMissingKeys" value="false" />
    <add key="EnableWebFarmSupport" value="false" />
    <add key="EnableCachePersistence" value="false" />
    <add key="HostHeader" value="" />
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"www.mydomain.com/Default.aspx" -->
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    <!--use as persistent cookie expiration. Value is in minutes, and only active if a non-zero figure-->
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    <add key="UsePortNumber" value="true" /> -->
    <add key="InstallationDate" value="4/16/2008" />
  </appSettings>
  <system.codedom>
    <compilers>
      <compiler language="vb" type="Microsoft.VisualBasic.VBCodeProvider, System, Version=2.0.0.0, Culture=neutral,

PublicKeyToken=B77A5C561934E089" extension=".VB" />
    </compilers>
  </system.codedom>
  <!-- The system.webServer section is required for IIS7 compatability It is ignored by IIS6-->
  <system.web>
    <!-- Ensure validationkey is not set to AutoGenerate,IsolateApps so it correctly supports webfarms -->
    <machineKey validationKey="" decryptionKey="" decryption="" validation="" />
    <!-- HttpModules for Common Functionality -->
    <httpModules>
      <!-- add name="Authentication" type="DotNetNuke.HttpModules.AuthenticationModule,

DotNetNuke.HttpModules.Authentication" / -->
      <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=1.0.61025.0,

Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
      <add name="Compression" type="DotNetNuke.HttpModules.Compression.CompressionModule, DotNetNuke.HttpModules" />
      <add name="RequestFilter" type="DotNetNuke.HttpModules.RequestFilter.RequestFilterModule, DotNetNuke.HttpModules" />
      <add name="UrlRewrite" type="DotNetNuke.HttpModules.UrlRewriteModule, DotNetNuke.HttpModules" />
      <add name="Exception" type="DotNetNuke.HttpModules.Exceptions.ExceptionModule, DotNetNuke.HttpModules" />
      <add name="UsersOnline" type="DotNetNuke.HttpModules.UsersOnline.UsersOnlineModule, DotNetNuke.HttpModules" />
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DotNetNuke.HttpModules" />
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    <!-- set code access security trust level - this is generally set in the machine.config
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    <globalization culture="en-US" uiCulture="en" requestEncoding="UTF-8" responseEncoding="UTF-8" fileEncoding="UTF-8" />
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where the connection string for the provider is specified
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              passwordAttemptWindow="int"                 The time window, in minutes, during which failed password attempts

and failed password answer attempts are tracked
              enablePasswordRetrieval="[true|false]"      Should the provider support password retrievals
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              requiresQuestionAndAnswer="[true|false]"    Should the provider require Q & A
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connectionStringName="SiteSqlServer" enablePasswordRetrieval="true" enablePasswordReset="true"

requiresQuestionAndAnswer="false" minRequiredPasswordLength="7" minRequiredNonalphanumericCharacters="0"

requiresUniqueEmail="false" passwordFormat="Encrypted" applicationName="DotNetNuke" description="Stores and retrieves

membership data from the local Microsoft SQL Server database" />
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  <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
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DotNetNuke.FckHtmlEditorProvider" providerPath="~/Providers/HtmlEditorProviders/Fck/"

CustomConfigurationPath="~/Providers/HtmlEditorProviders/Fck/custom/FCKConfig.js" EnhancedSecurityDefault="false"

SecureConfigurationPath="~/Providers/HtmlEditorProviders/Fck/custom/FCKConfigSecure.js"

ImageGalleryPath="~/Providers/HtmlEditorProviders/Fck/fckimagegallery.aspx"

ImageUploadPath="~/Providers/HtmlEditorProviders/Fck/fckimagegallery.aspx" ImageAllowedFileTypes="gif,png,bmp,jpg"

FlashGalleryPath="~/Providers/HtmlEditorProviders/Fck/fckimagegallery.aspx"

FlashUploadPath="~/Providers/HtmlEditorProviders/Fck/fckimagegallery.aspx" FlashAllowedFileTypes="fla,swf"

LinksGalleryPath="~/Providers/HtmlEditorProviders/Fck/fcklinkgallery.aspx"

DynamicStylesGeneratorPath="~/Providers/HtmlEditorProviders/Fck/FCKStyles.aspx" DynamicStylesCaseSensitive="true"

DynamicStylesGeneratorFilter="controlpanel|filemanager|mainmenu|wizard"

StaticStylesFile="~/Providers/HtmlEditorProviders/Fck/FCKeditor/fckstyles.xml" StylesDefaultMode="Static"

DynamicCSSGeneratorPath="~/Providers/HtmlEditorProviders/Fck/FCKCSS.aspx"

StaticCSSFile="~/Providers/HtmlEditorProviders/Fck/FCKeditor/editor/css/fck_editorarea.css" CSSDefaultMode="static"

spellCheck="ieSpell" AvailableToolbarSkins="Office2003,Silver" DefaultToolbarSkin="Office2003"

AvailableToolBarSets="DNNDefault,Default,NoGallery,Basic" DefaultToolbarSet="DNNDefault" DefaultImageGallerySkin="Default"

DefaultFlashGallerySkin="Default" DefaultLinksGallerySkin="Default" FCKDebugMode="false" UseFCKSource="false"

OptionsOpenMode="ShowModalDialog" CustomOptionsDialog="Admin" />
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DotNetNuke.SolpartMenuNavigationProvider" providerPath="~\Providers\NavigationProviders\SolpartMenuNavigationProvider\" />
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DotNetNuke.DNNMenuNavigationProvider" providerPath="~\Providers\NavigationProviders\DNNMenuNavigationProvider\" />
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DotNetNuke.DNNTreeNavigationProvider" providerPath="~\Providers\NavigationProviders\DNNTreeNavigationProvider\" />
        <add name="DNNDropDownNavigationProvider" type="DotNetNuke.NavigationControl.DNNDropDownNavigationProvider,

DotNetNuke.DNNDropDownNavigationProvider" providerPath="~\Providers\NavigationProviders\DNNDropDownNavigationProvider\" />
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DotNetNuke.ASP2MenuNavigationProvider" providerPath="~\Providers\NavigationProviders\ASP2MenuNavigationProvider\" />
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providerPath="~\Providers\SearchProviders\ModuleIndexer\" />
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providerPath="~\Providers\SearchProviders\SearchDataStore\" />
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connectionStringName="SiteSqlServer" upgradeConnectionString="" providerPath="~\Providers\DataProviders\SqlDataProvider\"

objectQualifier="" databaseOwner="dbo" />
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DotNetNuke.XMLLoggingProvider" configfilename="LogConfig.xml.resources"

providerPath="~\Providers\LoggingProviders\XMLLoggingProvider\" />
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type="DotNetNuke.Services.Cache.BroadcastPollingCachingProvider.BPCachingProvider,

DotNetNuke.Caching.BroadcastPollingCachingProvider"

providerPath="~\Providers\CachingProviders\BroadcastPollingCachingProvider\" />
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providerPath="~\Providers\MembershipProviders\DNNMembershipProvider\" />
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DotNetNuke.Provider.DNNProvider" providerPath="~\Providers\MembershipProviders\DNNMembershipProvider\" />
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      <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=1.0.61025.0,

Culture=neutral, PublicKeyToken=31bf3856ad364e35" preCondition="managedHandler" />
      <add name="Compression" type="DotNetNuke.HttpModules.Compression.CompressionModule, DotNetNuke.HttpModules"

preCondition="managedHandler" />
      <add name="RequestFilter" type="DotNetNuke.HttpModules.RequestFilter.RequestFilterModule, DotNetNuke.HttpModules"

preCondition="managedHandler" />
      <add name="UrlRewrite" type="DotNetNuke.HttpModules.UrlRewriteModule, DotNetNuke.HttpModules"

preCondition="managedHandler" />
      <add name="Exception" type="DotNetNuke.HttpModules.Exceptions.ExceptionModule, DotNetNuke.HttpModules"

preCondition="managedHandler" />
      <add name="UsersOnline" type="DotNetNuke.HttpModules.UsersOnline.UsersOnlineModule, DotNetNuke.HttpModules"

preCondition="managedHandler" />
      <add name="DNNMembership" type="DotNetNuke.HttpModules.Membership.MembershipModule, DotNetNuke.HttpModules"

preCondition="managedHandler" />
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DotNetNuke.HttpModules" preCondition="managedHandler" />
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    <handlers>
      <add name="AJAX_ScriptResourceHandler" path="ScriptResource.axd" verb="GET,HEAD"

type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral,

PublicKeyToken=31bf3856ad364e35" preCondition="integratedMode,runtimeVersionv2.0" />
      <add name="AJAX_AppServiceHandler" path="*_AppService.axd" verb="*"

type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral,

PublicKeyToken=31bf3856ad364e35" preCondition="integratedMode,runtimeVersionv2.0" />
      <add name="AJAX_WebServiceHandler" path="*.asmx" verb="*" type="System.Web.Script.Services.ScriptHandlerFactory,

System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"

preCondition="integratedMode,runtimeVersionv2.0" />
      <add name="LogoffHandler*" path="Logoff.aspx" verb="*" type="DotNetNuke.Services.Authentication.LogOffHandler,

DotNetNuke" preCondition="integratedMode,runtimeVersionv2.0" />
      <add name="RSSJandler" path="RSS.aspx" verb="*" type="DotNetNuke.Services.Syndication.RssHandler, DotNetNuke"

preCondition="integratedMode,runtimeVersionv2.0" />
      <add name="LinkClickHandler" path="LinkClick.aspx" verb="*" type="DotNetNuke.Services.FileSystem.FileServerHandler,

DotNetNuke" preCondition="integratedMode,runtimeVersionv2.0" />
      <add name="CaptchaHandler" path="*.captcha.aspx" verb="*" type="DotNetNuke.UI.WebControls.CaptchaHandler, DotNetNuke"

preCondition="integratedMode,runtimeVersionv2.0" />
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    <validation validateIntegratedModeConfiguration="false" />
  </system.webServer>
</configuration>

[Erjan Gavalji]

Hi Karl,

I just noticed that the page throws some javascript errors. These indicate that the ScriptManager on the page has its EnablePartialRendering property set to false. We fixed the partial rendering dependency in the latest release. Can you download the current official release of RadControls for ASP.NET Ajax and try again?

Looking forward to your reply,
Erjan Gavalji
the Telerik team

Instantly find answers to your questions at the new Telerik Support Center

[Karl]

Hi Erjan,

Sorry to say, I downloaded your change, uploaded all anew to the server and still only one control works.  If it would be of any help, let me arrage ftp access for you. 

Karl

[Erjan Gavalji]

Hi Karl,

For some reason the page does not contain the PageRequestManager client-side initialization code. Basically that code is rendered by the ScriptManager, but in your case this seems to not work properly. Can you paste here the code the page/user control/provider uses to instantiate and add the ScriptManager/RadScriptManager to its Controls collection?

Kind regards,
Erjan Gavalji
the Telerik team

Instantly find answers to your questions at the new Telerik Support Center

[Karl]

It looks like we're narrowing it down but have not yet solved the problem.  Could you advise me where I can find this data?

"Can you paste here the code the page/user control/provider uses to instantiate and add the ScriptManager/RadScriptManager to its Controls collection?
"
I have noticed one difference in the installation on the server vs locally.
On the server I cannot find Telerik.Web.UI.dll.refresh.  I'm just tipping in the dark.

Karl

[Erjan Gavalji]

Hi Karl,

The exact location depends on your application. Basically, if declared directly, the ScriptManager/RadScriptManager control should be located either in the master page or the main page ASPX file. In your case, it could be that these controls are added to the Controls collection of the module, containing the RadComboBox instances.

By the way, I was able to reproduce the problem on a simple page (I'm sorry for not guessing that earlier). It is the following: if the ScriptManager control is added to the Controls collection of a control, which is not visible (or any control in the parent control hierarchy has its Visible property set to false), the control will not render the PageRequestManager initialization script.

I'm looking forward to your reply.

Kind regards,
Erjan Gavalji
the Telerik team

Instantly find answers to your questions at the new Telerik Support Center

[Karl]

Hi Erjan,
Your answer elates me - there will be a solution soon (you were able to recreate the symptom).   Not being a professional programmer and just writing small modules for small DNN 4.8.2 applications I'm still not sure where to put what. 

I guess Default.aspx which is located in the root directory of the application is the main page on DNN and this is where I guess I would put the control.  But what should the settings of the control be?  Would I only have to change that page or would I also have to add the the ScriptManager/RadScriptManager onto lets say the ComboTest.ascx page?


My module structure is very simple:

- DesktopModules
  - ComboTest
     ComboTest.ascx
         ComboTest.ascx.vb

Thanks for guiding me so far.
Karl

[Erjan Gavalji]

Hi Karl,

There are two requirements for a ScriptManager control - it should be positioned before any IScriptControl on the page and a page should contain only one instance of it. As the controls in the RadControls for ASP.NET Ajax suite are IScriptControl controls, the ScriptManager control instance should be added to the Controls tree before the first RadComboBox instance.

As I mentioned, I'm not familiar with your application, but I can help finding the exact reason for the problem and I could suggest a solution if you send me the files you mentioned. You can open a formal support ticket to be able to send the ComboTest.ascx and ComboTest.ascx.vb files to me, or you can just paste their content hereby.

Kind regards,
Erjan Gavalji
the Telerik team

Instantly find answers to your questions at the new Telerik Support Center

[Karl]

Dear Erjan and the Telerik team !

I am elated and jumping for the joy in me. Yes, you got it to work. 

To share the resolution of the problem with others - in particular DNN developers in this community (I believe others will encounter this problem) allow me to publish what you did.

In the Default.aspx.vb file which is in the rootdir of my DNN installation you added the following code:

Private Sub InitializePage()
.
.
.
.
'register page with AJAX
            ' It seems that the AJAX.AddScriptManager(Me) code adds the ScriptManager control to an invisible parent, stopping it from registering the
            ' initialization scripts:
            'AJAX.AddScriptManager(Me)
            ' The workaround: Check if there is a ScriptManager registered to the page and register it as the very first Form control if not:
            Dim scriptManagerInstance as System.Web.UI.ScriptManager = System.Web.UI.ScriptManager.GetCurrent(Me)
            If scriptManagerInstance is Nothing Then
                scriptManagerInstance = new System.Web.UI.ScriptManager()
                Me.Form.Controls.AddAt(0, scriptManagerInstance)
            End If

            ' register DNN ClientAPI scripts
            Page.ClientScript.RegisterClientScriptInclude("dnncore", ResolveUrl("~/js/dnncore.js"))

        End Sub

Please correct me if I am wrong. 
Thanks again, you really are great!

Karl