My web login failed

Hi everyone,

I have to make a web with ASP.NET and published to host The web accessed normally.

The login form has:

--> When a press login button, nothing happen (no alert failed or succeed, no error string)

If I replaced server address by local name (http://inn-srv/myaras), It working fine.

I try to config IIS server, open port, .. but not succeed. Pls help me.