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VBA - SCRAPING WEBSITES VIDEOS▼
- Excel VBA Part 46 - Querying Web Pages with Query Tables
- Excel VBA Part 47.1 - Browsing to Websites and Scraping Web Page
- Excel VBA Part 47.2 - Scraping Website Tables and Clicking Links
- Excel VBA Part 47.3 - Internet Explorer vs XML HTTP Request
- Excel VBA Part 47.4 - Logging in to a Website with Windows Security
- Excel VBA Part 47.5 - Basic HTTP GET and POST Requests
- Excel VBA Part 48 - Scraping Multiple Web Pages
- Excel VBA Part 49 - Downloading Files from Websites
- Excel VBA Part 57.1 - Getting Started with Selenium Basic and Google Chrome
- Excel VBA Part 57.2 - Basic Web Scraping with Selenium and Google Chrome
- Excel VBA Part 57.3 - Using Different Web Browsers in Selenium
- Excel VBA Part 57.4 - Finding Web Elements in Selenium
- Excel VBA Part 57.5 - Implicit and Explicit Waits in Selenium
- Excel VBA Part 57.6 - Working with Multiple Tabs in Selenium
- Excel VBA Part 57.7 - Using Select Drop Down Lists in Selenium
- Excel VBA Part 57.8 - Printing in Google Chrome using Selenium
- How do I open Google Chrome in full screen mode using Selenium in VBA?
- Is it possible to start Google Chrome hidden using Selenium in VBA?
- How do I access elements in the Shadow DOM using Selenium in VBA?
- How do I Refer to a Parent Element in Selenium for VBA?
- How do I hold Shift and click a link in Selenium for VBA?
- How do I scroll down a web page using Selenium in VBA?
- How do I copy CSV data from a website using VBA?
- How do I open Google Chrome with a user profile using VBA?
- How do I use Google Translate with Excel VBA?
VBA - scraping websites videos | Excel VBA Part 47.5 - Basic HTTP GET and POST Requests
Posted by Andrew Gould on 05 June 2019
This video explains the basic differences between the GET and POST methods and how you can use each method to send data along with an HTTP request. You'll learn about adding a query string to a URL for GET requests and how to send values in the body of a POST request. You'll also see how to ensure the values you pass to a request are properly encoded using the Excel EncodeURL function. Throughout the video you'll also learn the basics of using the Chrome Developer Tools to work out how requests are sent by the Chrome browser which helps when translating this to VBA code.
See our full range of VBA training resources, or test your knowledge of VBA with one of our VBA skills assessment tests.
This video has the following accompanying files:
| File name | Type | Description |
|---|---|---|
| Basic HTTP GET and POST requests COMPLETED.xlsm | Excel workbook with macros | |
| Basic HTTP GET and POST requests.xlsm | Excel workbook with macros |
Click to download a zipped copy of the above files.
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I'm trying to use this code to login to a website.
VBA Code:
Sub GetTable2() Dim req As New MSXML2.XMLHTTP60 Dim url As String url = "https://1305081.app.netsuite.com/app/common/search/searchresults.nl?searchid=1704&whence=" req.Open "Post", url, False req.setRequestHeader "Content-Type", "application/x-www-form-urlencoded" req.send "email=(myemail)&password=(mypassword)" 'check if page loaded If req.Status <> 200 Then MsgBox req.Status & " - " & req.statusText Exit Sub End If saveHTMFile req.responseText End Sub
When I get to the point of 'check if page loaded, the message box says "Internal Server Error." Any idea what could be wrong?
Thank you for your very helpful tutorial entitled "Excel VBA Introduction Part 47.5 - Basic HTTP GET and POST Requests." I have run into a problem that stumps me. Following the tutorial, I get the following result:
***************************
<!doctype html>
<html lang="en">
<head>
<base href="/">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
<meta name="mobile-web-app-capable" content="yes">
<title>Profits Run</title>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:400,500,600,700,800">
<link rel="apple-touch-icon" sizes="60x60" href="/assets/images/favicons/apple-touch-icon.png">
<link rel="icon" type="image/png" sizes="32x32" href="/assets/images/favicons/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="/assets/images/favicons/favicon-16x16.png">
<link rel="manifest" href="/assets/images/favicons/site.webmanifest">
<link rel="mask-icon" href="/assets/images/favicons/safari-pinned-tab.svg" color="#5bbad5">
<meta name="msapplication-TileColor" content="#da532c">
<meta name="theme-color" content="#ffffff">
<link href="app.12d5769f220fe4fa467b.css" rel="stylesheet"></head>
<body>
<div id="root"></div>
<script type="text/javascript" src="vendor-d7a24874.js"></script><script type="text/javascript" src="app-4c8acbc2.js"></script></body>
</html>
***************************
However, when I inspect the elements of the website, I get the information I am looking for. I believe the problem is that the java script is not running, and I have been unable thus far to find out how to make the java script run so that I can scrape the portions of it that interest me.
If you are able to give me a suggestion or a work around, I would be very grateful.
Thank you
Hi, the easiest way to get the javascript to run is to use VBA to open the page in a web browser. We have a few videos on how to do this using Internet Explorer (which you may have already seen). If you’re interested in using Chrome you might like to investigate the Selenium library. We don’t have any resources on Selenium but you can find a basic tutorial here. I hope that helps!