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VBA Comments And Why I Hate Them
Ok, maybe hate is a strong word, but I generally try to avoid commenting my code. Why? I want to try to make the code I write understandable and read like well written prose. Does all of my code look like that? No, but I wish it did. If I feel a line of code needs a...
Access Events: BeforeUpdate and Changing Data
Occasionally, I run into an issue where I am using some function within a BeforeUpdate event in an Access form which goes and updates the table with a SQL statement or query. This can produce some unwanted and messages about someone else editing the record and do you...
DevHut’s Daniel Pineault’s VBA PowerShell Function with Update
I came across this fantastic code on DevHut by Daniel Pineault. I was doing file hashing and found Daniel's script here: Get a File Hash using VBA | DEVelopers HUT (devhut.net) This in turn uses the PS_GetOutput script he explains here: VBA - Run PowerShell Command |...
Polymorphism in VBA
What is polymorphism? It's a concept in object oriented programming that allows you to define different versions of objects that all share some of the same characteristics. In language, an example would be two different cars. A Lamborghini is a car, as is a Ford. Both...
Access ListBox Row Source and Type
I have been working on updating code for a customer form with a list box control storing a long list of files in various folders. There are filters on this form that can limit the files available to choose from. During my coding I noticed some performance problems....
Using A Form, Classes, and an Event to Pass Status Messages
The other day I was coding an Access Form which displays a file list to choose files to import into the database. I had created the following components: An Access Form named: ImportForm A Class Module to handle a full list of files available for importing and...
TDD – 070 – Changing the class to load a user specified form
It's time to add a new test: '@TestMethod("Initialize") Private Sub WhenThereIsAForm_ThenItCanBeAssigned() Dim testFormAuditor As FormAuditor Set testFormAuditor = New FormAuditor testFormAuditor.Init Forms("TestForm") End Sub This test is in my new RubberDuck test...
Access Error 2455 Referencing Subform Form Control
One of my clients was occasionally getting a 2455 error in Access: Run-time error '2455': You entered an expression that has an invalid reference to the property Form/Report. What was happening in this case was that the user had minimized Access and then closed Access...
Access Subform, or Subreport?
I had generally used Subforms in Subform/Subreport controls as part of a standard form. I hadn't even really thought too much about the fact that you could put report objects into a Subform/Subreport control. What pushed me in the direction of using a report in a...
Running Access Headless
Sounds intriguing, doesn't it? So what do I mean by running Access headless? I am referring to the term headless as it refers to running a machine without user intervention as an automated process. For example, I have some reports that get emailed out at certain time...
ChatGPT woes
Me: Write a humorous limerick about ChatGPT failing to do what is expected. ChatGPT: There once was a bot named ChatGPT, Whose answers could often betray. Asked for a rhyme, it stuttered in time, And left folks in quite the disarray. It pondered and whirred with great...
Access Query Optimization – using Passthrough and local queries together
Today I worked on optimizing a query for a client. it wasn't super long, about 2 seconds, but that was enough to make a noticeable delay for the users running the database. I wanted to make it a little snappier. It ended up boiling down to one thing, but first I had...
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