Coding is fun...: 2018

	<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="file3.Default" %>

	<!DOCTYPE html>

	<html xmlns="http://www.w3.org/1999/xhtml">
	<head runat="server">
	<title></title>
	</head>
	<script src="jquery-3.3.1.min.js"></script>
	<body>
	<form id="form1" runat="server">

	<input id="btn" type="button" class="btn btn-inf0" value="Call now" />
	<iframe id="if1" src="" width="400"></iframe>

	<script>

	$("#btn").click(function () {
	alert("calling b5");

	var ua = window.navigator.userAgent;
	var msie = ua.indexOf("MSIE ");

	//IE
	if (msie > 0 \|\| !!navigator.userAgent.match(/Trident.*rv\:11\./)) // If Internet Explorer, return version number
	{
	$("#if1").attr("src", "PDFGen.aspx");
	return;
	}

	//other browser
	var request = new XMLHttpRequest();
	request.open("GET", "PDFGen.aspx", true);
	request.responseType = "blob";
	request.onload = function (e) {
	if (this.status === 200) {
	var file = window.URL.createObjectURL(this.response);
	$("#if1").attr("src", file);
	};
	};
	request.send();

	return false;
	});

	</script>
	</form>
	</body>
	</html>

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	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Web;
	using System.Web.UI;
	using System.Web.UI.WebControls;

	namespace file3
	{
	public partial class PDFGen : System.Web.UI.Page
	{
	protected void Page_Load(object sender, EventArgs e)
	{
	var bytes = System.IO.File.ReadAllBytes(Server.MapPath("~/One.pdf"));
	Response.ContentType = "application/pdf";
	Response.AddHeader("Content-disposition", "inline");
	Response.BinaryWrite(bytes.ToArray());
	Response.End();
	}
	}
	}

view raw PDFGen.aspx.cs hosted with ❤ by GitHub

Coding is fun...