I did the top one just now to verify and still get the same error.  Again, when I remove all the ig:bounddatafields in Bands -> columns tag the error goes away and it will auto generate the bands just fine which displays child tables just fine (I leave the bands tag in there).  

Just a FYI, I am using infragisitics CDN....

Also, there is no web.config blocking anything...

My deployment appears fine as well, but this problem continues to occur.

Interesting result here.  I deployed your example on a separate site on the problem server, and it worked perfectly.  I then added your code to my existing project and it no longer works (gets the same js error listed in original post).  Perhaps it's a web.config issue?  Here's my web.config

<configuration>

  <configSections>

    <section name="infragistics.web" type="System.Configuration.SingleTagSectionHandler,System, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />

    <sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">

      <section name="SAInsight_II.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />

    </sectionGroup>

  </configSections>

  <infragistics.web styleSetName="Default" styleSetPath="~/ig_res" />

  <connectionStrings>

    <add name="ApplicationServices" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient" />

  </connectionStrings>

  <system.web>

    <compilation debug="true" targetFramework="4.0">

      <assemblies>

        <add assembly="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089" />

        <add assembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />

        <add assembly="System.DirectoryServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />

        <add assembly="Infragistics4.Web.v12.1, Version=12.1.20121.1005, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" />

        <add assembly="Infragistics4.WebUI.Documents.Reports.v12.1, Version=12.1.20121.1005, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" />

        <add assembly="Infragistics4.WebUI.Documents.Excel.v12.1, Version=12.1.20121.1005, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" />

        <add assembly="Infragistics4.WebUI.Shared.v12.1, Version=12.1.20121.1005, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" />

        <add assembly="Infragistics4.WebUI.WebDataInput.v12.1, Version=12.1.20121.1005, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" />

        <add assembly="Infragistics4.WebUI.WebHtmlEditor.v12.1, Version=12.1.20121.1005, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" />

        <add assembly="Infragistics4.WebUI.Documents.Core.v12.1, Version=12.1.20121.1005, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" />

      </assemblies>

    </compilation>

    <authentication mode="Windows" />

    <membership>

      <providers>

        <clear />

        <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" applicationName="/" />

      </providers>

    </membership>

    <profile>

      <providers>

        <clear />

        <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/" />

      </providers>

    </profile>

    <roleManager enabled="false">

      <providers>

        <clear />

        <add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/" />

        <add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/" />

      </providers>

    </roleManager>

    <customErrors defaultRedirect="Error.aspx" mode="RemoteOnly">

      <!--<error statusCode="404" redirect="filenotfound.htm" />-->

    </customErrors>

    <sessionState timeout="240">

    </sessionState>

    <httpRuntime requestValidationMode="2.0" />

  </system.web>

  <system.webServer>

    <modules runAllManagedModulesForAllRequests="true" />

  </system.webServer>

  <applicationSettings>

    <SAInsight_II.Properties.Settings>

      <setting name="Environment" serializeAs="String">

        <value>Production</value>

      </setting>

    </SAInsight_II.Properties.Settings>

  </applicationSettings>

</configuration>

Also, the other thing that might be very relevant is your project was probably created from scratch with 12.1, whereas mine was a conversion from 11.1.  Perhaps something is missing in the conversion process?

hi slasher016, i have two questions, 1. did you do the actualization of the version 11.1 to 12.1 with Version Utility tool? 2. could solve the issue?

Thank you. This issue was fixed in version 12.1.20121.2020

Hi Trung,

The latest service release is 12.1.20121.2020. You can download it from our website. The fix should be included in this build.

Feel free to contact us if you have any further questions.

Hello,

Please let me know when we have the latest Service Release for 12.1 with this issue resolved ?

Version that I am using 12.1.20121.1005 and this issue occurs exactly.

Thank you,

Trung

Hello,

The issue should be resolved with the latest Service Release for 11.1, 11.2 and 12.1.

Thank you for choosing Infragistics.