Use multiple security policies within same project in ASP.Net

Please help how can i multiple security policies in my web project. currently if i enable this below all my rdlc reports swiftly but if i use  trust level full security my rdlc report can take an hour to open please help

<trust legacyCasModel="true" level="Full"/> 

How to use multiple security policies, within the same web project

If user will invokes an invent which will result into generation of rdlc report, then e need to apply security policy <trust legacyCasModel="true" level="Full"/> otherwise for normal operations, use security policy <trust level="Full" /> both to be set in web.config file Is this possible?

How do we implement it?

<?xml version="1.0" encoding="UTF-8"?>
<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->
<configuration>
  <connectionStrings>
    <!--  <add name="WAMATOVUMUSLIMConnectionString" connectionString="Data Source=SMIS;Initial Catalog=SMIS;Integrated Security=True" providerName="System.Data.SqlClient"/>
  -->
    <add name="WAMATOVUMUSLIMConnectionString" connectionString="Data Source=(local);Initial Catalog=WAMATOVUMUSLIM;Persist Security Info=True; User Id=sa;Password=kcc" providerName="System.Data.SqlClient" />
    <add name="Excel03ConString" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};&#xA;                         Extended Properties='Excel 8.0;HDR={1}'" />
    <add name="Excel07ConString" connectionString="Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};&#xA;                         Extended Properties='Excel 8.0;HDR={1}'" />
  </connectionStrings>  
  <system.web>
    <httpHandlers>
      <add path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91" validate="false" />
    </httpHandlers>
    <compilation debug="true" targetFramework="4.5">
      <assemblies>
        <add assembly="Microsoft.ReportViewer.WebForms, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845DCD8080CC91" />
        <add assembly="Microsoft.ReportViewer.Common, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845DCD8080CC91" />
        <add assembly="Microsoft.Build.Framework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A" />
        <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.Web.Extensions.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
      </assemblies>
      <buildProviders>
        <add extension=".rdlc" type="Microsoft.Reporting.RdlBuildProvider, Microsoft.ReportViewer.WebForms, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91" />
      </buildProviders>
    </compilation>
    <httpRuntime targetFramework="4.5" executionTimeout="500000" />
    
    <identity impersonate="true" />
    <!--
    <authentication mode="Windows"/>
    -->

    <!--  FROM HERE*******************************************  -->

    <membership defaultProvider="AspNetSqlMembershipProvider" userIsOnlineTimeWindow="15">
      <providers>
        <clear />
        <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="WAMATOVUMUSLIMConnectionString" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" applicationName="WAMATOVUMUSLIM"/>
    </providers>
    </membership>

    <roleManager enabled="true">
      <providers>
        <clear />
        <add connectionStringName="WAMATOVUMUSLIMConnectionString" applicationName="WAMATOVUMUSLIM" name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" />
      </providers>
    </roleManager>

    <authentication mode="Forms">
      <forms loginUrl="~/Login.aspx" timeout="2880" />
    </authentication>

    <authorization>
      <deny users="?" />
    </authorization>
    <!--  TO   ********************* HERE  ******************  -->

    <!--  NKABIRWA08-05-18 , now blocked on 21/10/22 -->
    <!--  For report printing  -->
    <!-- <trust legacyCasModel="true" level="Full"/> -->   
    <!--  For normal processing  -->
     <trust level="Full" />

    <!--  NKABIRWA 21/10/2022 to allow systems to run on smisafrica -->

    <!--
    <securityPolicy>
      <trustLevel name="Full" policyFile="internal"/>
    </securityPolicy>
    -->
  
  </system.web>
  
</configuration>