Search icon
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
The Definitive Guide to Power Query (M)

You're reading from  The Definitive Guide to Power Query (M)

Product type Book
Published in Mar 2024
Publisher Packt
ISBN-13 9781835089729
Pages 758 pages
Edition 1st Edition
Languages
Authors (3):
Gregory Deckler Gregory Deckler
Profile icon Gregory Deckler
Rick de Groot Rick de Groot
Profile icon Rick de Groot
Melissa de Korte Melissa de Korte
Profile icon Melissa de Korte
View More author details

Table of Contents (19) Chapters

Preface Introducing M Working with Power Query/M Accessing and Combining Data Understanding Values and Expressions Understanding Data Types Structured Values Conceptualizing M Working with Nested Structures Parameters and Custom Functions Dealing with Dates, Times, and Durations Comparers, Replacers, Combiners, and Splitters Handling Errors and Debugging Iteration and Recursion Troublesome Data Patterns Optimizing Performance Enabling Extensions Other Books You May Enjoy
Index

Retrieving web content

In the last section, we covered accessing data within files stored on a local computer or network file system. However, another common source of data is the internet. The standard M library includes a number of functions for retrieving data from the internet, including:

  • Web.BrowserContents
  • Html.Table
  • Web.Page
  • Web.Contents
  • Web.Headers
  • WebAction.Request

To see these functions in action, first perform these steps:

  1. Select Get Data from the Home tab of the Power Query editor and then choose Web.
  2. In the From Web dialog, use the following for the URL, https://subscription.packtpub.com/search.
  3. Press the OK button.
  4. Select Anonymous authentication and press the Connect button.
  5. In the Navigator dialog, choose HTML Code under the Text folder.

Following these steps generates the following M code as viewed in the Advanced Editor:

let
    #"HTML Code" = Web.BrowserContents...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €14.99/month. Cancel anytime}