MS Server connector only tries "localhost"

I’m knocking myself out trying to load ms server data into a grid. I’m using the db_sqlsrv.php with it pointing to my server (where I know the connections are correct).

No matter what I try I, when I run it, the page gives the error:
(XHR)GET - http://localhost:62352/samples/grid

My php file uses this:
$gridConn = new GridConnector($res,“SQLSrv”);
$grid = new GridConnector($res, “PDO”,“SQLSrv”);

I’ve tried so many of their demos and samples, but this is as close as I have come. Just about ready to give up on DHX, except it has worked so well for me in the past with MySQL data (which is not always available to me).

I apologize ofr the delay.
Could you please, clarify your error, and provide a more detailed snippet of your using code.
especially the backend