You mean, you have 2 web pages? 1 is parent and another is the child? Example: parentWeb.aspx -> main web page. parentWeb.aspx call another webPage (ex. childWeb.aspx). When user click button on childWeb.aspx, you can make parentWeb.aspx post back by this way: On childWeb.aspx: var wndParams = window.dialogArguments; opener = wndParams[0]; --> parentWeb.aspx function onButtonClick() { opener.doWebPostback(); } On parentWeb.aspx: function doWebPostback() { document.Form1.submit(); } Hope this can help you :) Lili

Hi, I try to make embedded WinForm in Web Application. I follow some step from this forum. I have problem about this. I create ActiveX and put that object to webpage.aspx using CLSID. I can run im my computer, but can't run in client computer. Can you help me please? This is the way how I expose the object: I also try this way: (not show anything, just blank box) I put the .dll and .cab file in my web folder. Please help me. What's wrong with my code? :(( Thank you very much BR, Lili