Add using reference in web.config

Is it possible to add a using reference in the web.config file so i dont need to write the using statement on each page i need to use another class library on?
I tried this but it still required me to declare using MyProject;
<configuration>     <system.web>       <httpRuntime targetFramework="4.5" />       <compilation debug="true" targetFramework="4.5">         <assemblies>      &nb ...