How to Hide a Row based on a Cell Value in Google Sheets with Filter or Google Apps Script.

Google Sheets, Google Apps Script

Sometimes, when you are working on a shared Google Sheet you might want to hide a row based on a cell value.

For example, perhaps we don’t want to see row information of orders that have been paid for. Take a look at my D&D miniatures wholesale orders sheet (image below). I know I don’t need to follow up the orders that have been paid, marked with a ‘Yes’ in column F, so I don’t want to see them on my sheet.

We want to hide the "Yes" - Google Sheets

We can hide these two ways:

  1. Create a filter.
  2. Google Apps Script onEdit() trigger.

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Sections to Sheets – Free Google Add-on That Separates Column Sections Into Individual Sheets for Page-by-Page Export or Printing

What is Sections to Sheets?

Sections to Sheets is a free Google Sheets Add-on that separates rows by column sections and puts them in individual pages or sheets in a spreadsheet in preparation export and printing.

You can find Sections to Sheets at the Google Chrome Webstore.

Chrome Web Store Badge

Example 1

Let’s say you want to print out a list of expenditures by department and you want each department to start on a new page. You’ll also want to keep the same header for each page.

Example 2

You might want to export a list of grades by class number. You sort the grades by class and then export the list with each class starting on a new page with a header and footer.

Sections to Sheets can help you achieve this quickly by creating a new Google Spreadsheet and separating each selection and putting it into a new Sheet(tab) with or without headers and footer. This will enable you to quickly export or print your sheets.

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Google Apps Script – Copy and Paste Cells While Retaining Column Width in Google Sheets.

Google Apps Script

Have you ever copied and pasted something in Google Sheets only to be frustrated with the fact that it stubbornly refuses to paste the column widths? I mean, everything else is perfect, the formatting, the formulas the comments, they all were pasted across just fine. However, that dastardly column width just does not budge.

copied Google Sheet
When you want to copy and paste this…
Paste without column widths.
…but you get this.

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Google Apps Script – How to create Javascript and CSS files for a Sidebar Project in Google Apps Script

Google Apps Script-templates, Javascript, CSS

So, I started working on a larger Google Sheet Sidebar project in Google Apps Script recently and I quickly realised that it was going to be a mess if I didn’t separate my Javascript, CSS and even some of my HTML into separate files. However, if you have ever noticed in the script editor that there is no way for you to add script or style files to the code. Your only two options are Google Script files *.gs and Html files *.html.

Project File Types - Google Apps Script

Then, what’s the trick?

The trick is to create separate html files for your CSS and Javascript and include or import them into your main html file. Unfortunately, you can’t do this with the standard:

HtmlService.createHtmlOutputFromFile(filename)

Instead, we will need to use the templating method:

html = HtmlService.createTemplateFromFile(filename)

We will  get into a little more detail on templates later in this tutorial.

My main reference for this was the Google Apps Script UI best practice guide, and you will see code snippets of the first example there that I have modified for my own example.

The thing is, the explanations were a bit vague for me to work out clearly so I really needed to create an example of my own to work through how to use it. The example below breaks down the steps to create file relationships to make your code look neater. It also dives into some uses of template statements in html.

The Final Result

The goal of our little sidebar project will be to display a sidebar with colored paragraph text, a list generated with Javascript and a randomly assigned body page the contain the text “Body 1” or “Body 2”.

Take a look at the demo:

Sidebar Example - Google Apps Script

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Google Apps Script – How to Alternate Colors in an Ordered List by Column Category. 

Google Apps Script and Google Sheets

Imagine that you have a Google Sheet that you have sorted by a certain column. You might be sorting by the surname of your sales team, class sections or regions. To make the sheet easier to read for your team, you want to alternate the background colors after each category in your sort column is complete.

The Example

I have the following list of numbers in column 1 and 2. I have sorted these numbers by my Grouping Column of planets in column 3. After each grouping, I have alternated the background color to make the transition easier to read.

Alternating color by section - Google Apps Script

The Code

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How do I reverse the Rows in A Column in Google Sheets?

Reverse Rows in Column in Google Sheets
My favourite Killjoy members. Column A – From most favourite. Column B Saving the best for last.

Sometimes you have a need to reverse a list quickly in Google Sheets.

That’s pretty easy to do if the list is sorted alphabetically. Just go on into the <Data> menu and choose from one of the sort functions. But what if the data you want to flip is not in alphabetical or numeric order?

Below are 3 ways to reverse your data:

For the examples below, I’ll be using a list of my favourite Killjoys characters. Yeah, I’m a sci-fi geek.

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How to Get Something from Google Sheets and Display it in the Sidebar in Google Apps Script

What if you want to get a value or a range from Google Sheets and show it in your sidebar using Google Apps Script?

First you will need to get the value or range by using Googles server-side script. Then you will have to display it client-side in your HTML document.

Documentation on getting the server-side and client-side talking nicely to each other is a little vague. Hopefully, this very basic tutorial will help clear things up.

In this tutorial I will also be using Jquery.

Let’s get started.

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Add the Current Date When Data is Added to a Cell(Dynamic) – Google Sheets

A colleague of mine had recently asked me if there was a way to automatically display the day’s date when a cell has data in it without having to use Google Apps Script.

My answer: “Why yes, there is Jim.”

There are two really cool tools that you can use in Google Sheets to get the current date or time and date:

The NOW formula provides a date and time stamp at the time of execution or when the NOW() function is entered into the sheet.

NOW Google Sheets

The TODAY formula provides just the date at the time of execution or when the TODAY() formula is entered into the sheet.

TODAY Google Sheets

That’s all well and good but I want this formula to occur when a user enters something in a cell.

Done:

To achieve this, we can use an IF statement. First, we will state if the cell is empty, then no date should appear. However, if the cell has a value in it, then the date and/or time the value was entered will appear in the corresponding cell.

Here’s the formula:

=IF(A2 ="", "", TODAY())  <<Formula is celll D2

ِAs you can see in the  IF statement we are saying; if there is nothing in cell A2 then don’t do anything, otherwise if it contains a value then add today’s date in this cell, D2.

Now, if you want to have this ready for all rows for when a user adds to your data, then drag the formula all the way down to the bottom of the sheet.

Here is an example:

IF value DATE Google Sheets

Ready to add some data? Here is what is would look like:

Current Date Added When Cell is Entered

The NOW() and TODAY() functions are Dynamic. This means that they will update automatically. To keep these dates from changing, copy the cell and press <CTRL>+<SHIFT>+<V> or paste special> paste as value.

A Warning on NOW() and TODAY()

These two functions are Dynamic and will update constantly. If you are looking to get the date or time of something so that it does not update automatically then check out this tutorial :

Add the Current Date to a Sheet When Data Is Added So That The Date Does Not Change(Static) – Google Sheets

 

 

 

You can do exactly the same thing with the NOW formula. Give it a try.

Skewed Random Range in Google Sheets (RANDBETWEEN)

The Standard RANDBETWEEN

We can achieve a random range of numbers in Google Sheets by using the RANDBETWEEN formula. The formula is quite simple to use. Just add your start range and your end range:

=RANDBETWEEN(start range, end range)

For example, if I want to get a random number between zero(o) and 60 I would do the following:

=RANDBETWEEN(0,60)

The result will provide a whole random number somewhere between these two and including these numbers.

If I were to repeat this formula over a reasonable sample, say 300 times, we should see a fairly even spread of numbers occurring a roughly the same frequency, just like in the graph below:

But what if we wanted to have fewer random numbers in our list at the lower or upper end or on both ends?

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How do I Randomly Assign People to a Group Without Doubling Up on the Same Group in Google Sheets

Random Combinations Without Repetition Using Arrays, TRANSPOSE and Randomize Ranges

Say you have a list of  30 people and a 30 list of groups. After every half hour for six hours the people must change to another group, but they cannot go back to a group they have already been in.

How can we schedule 12 sessions where every person can randomly go to another group without going to the same group twice?

This is pretty much the same issue I face when scheduling my teachers to proctor exams randomly each quarter for different classes. The rules I need to follow are:

  1. No teacher should proctor the same class twice.
  2. Assignment to proctor a class should seem random.
  3. The teacher that teaches the class cannot proctor their own class.
  4. Each week has an exam over the term. The term runs for 8 weeks plus a final requiring a total of 9 proctor sessions.

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