RunTime Error 500.19 in asp.net Project

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Dear Experts,

I am doing an asp.net 4.5 project.. When i add the below code in web.config and run the project. then i got the Error..

HTML

<configSections>
    <section name="dataConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Data.Configuration.DatabaseSettings, Microsoft.Practices.EnterpriseLibrary.Data, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" />
  </configSections>


  <dataConfiguration defaultDatabase="SM_Connection_String" />

  <connectionStrings>
    <add name="SM_Connection_String" connectionString="Data Source=Server-PC;Initial Catalog=db_School_Adm;Persist Security Info=True;User ID=sa;Password=abc_123456" providerName="System.Data.SqlClient" />
  </connectionStrings>

Here is the Full Code of web.config File..

XML

<?xml version="1.0"?>

<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->

<configuration>

    <system.web>
      <compilation debug="true" targetFramework="4.5" />
      <httpRuntime targetFramework="4.5" />

      <authentication mode="Forms">
        <forms loginUrl="~/Default.aspx"
           protection="All"
           path="/"
           requireSSL="false"
           timeout="30"
           name=".ASPXAUTH"
           slidingExpiration="false"
           defaultUrl="../../SessionExpired.aspx"
           cookieless="UseDeviceProfile"
           enableCrossAppRedirects="false" />
      </authentication>


      <authorization>
        <deny users="?" />
      </authorization>
      
      
    </system.web>


  <configSections>
    <section name="dataConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Data.Configuration.DatabaseSettings, Microsoft.Practices.EnterpriseLibrary.Data, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" requirePermission="false" />
  </configSections>


  <dataConfiguration defaultDatabase="SM_Connection_String" />

  <connectionStrings>
    <add name="SM_Connection_String" connectionString="Data Source=Server-PC;Initial Catalog=db_School_Adm;Persist Security Info=True;User ID=sa;Password=abc_123456" providerName="System.Data.SqlClient" />
  </connectionStrings>  
  
</configuration>

Click here to View the Error that i am facing..

Please Help me to Solve this

Thanks and Regards,

Dileep

unnecessary code block removed

Posted 4-Jan-14 2:01am

dilzz

Updated 4-Jan-14 2:35am

Nelek

v2

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♥…ЯҠ…♥ · Answer 1 · 2014-01-04T03:44:00

Hi Dilzz,

I think the error description that you shared with your question itself gives you a solution,
You are trying to run .Net framework 3.5 application in Framework 4 in the more information section may help you to resolve the issue I believe.
In deployed server try to change the Default app pool[^] to mentioned Framework. This may the problem.

Hope this helps you a bit.

By the way, nice way to share snapshot here ;-)

Regards,
RK