(2) Run your application in IE Browser(must).
(4) Now from Visual Studio Select -> Tools -> Attach To Process
(5) From there you can see there are more than one process for iexplore.exe.
from that all process select only that iexplore.exe which one show
Attach to : Automatic:ScriptCode
(6) Puch button Attach.
Here you can doing another way also.