The problem look so simple but I couldn't figure out solution yet. So I decided to get help from you folks.
Problem:
I have page1.aspx with multiple buttons. Button1 will open Page2.aspx in new pop window. Page2.aspx takes time to load(due database call and business logic). During this page load(page2.aspx) in pop window, I could not perform any other task on
main page(page.aspx). Though I click on Button2, it doesn't respond until the page2.aspx loads.
Please provide your inputs. here is page.aspx code.
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Page1.aspx.cs" Inherits="AsyncAspx.Page1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="ser ...
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