I am receiving System.Security.SecurityException or That assembly does not allow partially trusted callers.
When running your application you may see:
That assembly does not allow partially trusted callers.
or a line that starts with:
System.Security.SecurityException
Your application requires Full Trust. While most web hosts do not support this, at Arvixe, we do everything in our power to make sure your application is functioning properly.
In this case, contact the support department and have us turn on "Full Trust" on your website. Please supply the domain name that you are using when you receive this error along with the full error.