extnet for for iis 7

web.config

<system.webServer>
    <validation validateIntegratedModeConfiguration="false"/>
    <modules runAllManagedModulesForAllRequests="true">
        <add
            name="DirectRequestModule"
            preCondition="managedHandler"
            type="Ext.Net.DirectRequestModule, Ext.Net"
            />
    </modules>
    <handlers>
        <add
            name="DirectRequestHandler"
            verb="*"
            path="*/ext.axd"
            preCondition="integratedMode"
            type="Ext.Net.ResourceManager"
            />
    </handlers>
</system.webServer>