Solutions for postback problem:
1. Add "<base target = “_self” />"
inside <head> tag of the popup.
2. You can use window.open instead of
Solutions for session transfer problem:
can use window.open instead of window.showModalDialog.
You can use AJAX
seems to be a IE bug (working fine in firefox and chrome), I have this problem if I open the .NET
application after opening an instance of IE (say google.com) whereas if I open the former
before the latter, things are fine.
Please let me know if anybody has any good solution for this.