this connector is disabled错误的解决方法

private bool checkauthentication()
{
// warning : do not simply return "true". by doing so, you are allowing
// "anyone" to upload and list the files in your server. you must implement
// some kind of session validation here. even something very simple as...
//
// return ( session[ "isauthorized" ] != null && (bool)session[ "isauthorized" ] == true );
//
// ... where session[ "isauthorized" ] is set to "true" as soon as the
// user logs in your system.

return true;
}