One issue i am facing is, inside the thread i am calling another form's method(Which is used to display one page as popup). But that page is not opened. If i am diriectly(without using thread) calling the page,it is opening. But if i use thread,it won't show. I am trying to debug. The code is eexcuting correctly(try to tell open the page) .But no pop up is display. (No errors also display).