Determine the URL hostname without using HttpContext.Current?

Question

Using the current request I can get the URL hostname with:

HttpContext.Current.Request.Url.Host

But - I need to determine the URL hostname with

Answer 1

If you know the host at the moment you're setting up the event handler then you should be able to do something like (code not actually tested):

string host = HttpContext.Current.Request.Url.Host;
var dep = new SqlDependency(cmd);
dep.OnChange += ((sender, args) =>
{
    DoStuff(host);
});