part3-8

<system.web>
    <!-- Additional configuration elided. -->
    <httpModules>
        <add
            name="ErrorHandlerHttpModule"
            type="MvcErrorHandling.MvcHelpers.ErrorHandlerHttpModule, MvcErrorHandling" />
    </httpModules>
</system.web>

<system.webServer>
    <!-- Additional configuration elided. -->
    <modules runAllManagedModulesForAllRequests="true">
        <add
            name="ErrorHandlerHttpModule"
            type="MvcErrorHandling.MvcHelpers.ErrorHandlerHttpModule, MvcErrorHandling"/>
    </modules>
</system.webServer>