<system.web.extensions>
<scripting>
<webServices>
<jsonSerialization maxJsonLength="1024000000" />
</webServices>
</scripting>
</system.web.extensions>
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<system.web>
<compilation debug="true" targetFramework="4.0" />
</system.web>
<system.web.extensions>
<scripting>
<webServices>
<jsonSerialization maxJsonLength="1024000000" />
</webServices>
</scripting>
</system.web.extensions>
</configuration>