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Visual Basic for Applications articles

Reporting more granularly than usual

Typically, when we do reporting, we usually do it at a higher granularity. For example, clients commonly wants a monthly report of sales. The database would store the individual sales as a single record, so it’s no problem summing up the figures to the month each. Ditto with year, or even going from a sub-category to category. But suppose they need to go down? More likely, the answer will be …Read More

Ways To Do Sequential Numbering in Access

Occasionally we come across project requirements that include the ability to do sequential numbering in Access on a set of data. We cannot just use the auto-number data type because there is no promise of sequentiality but only uniqueness. In other words, if someone creates a record then later deletes it, there will be a gap in the sequence. So, what are our options? There are actually several ways, each …Read More

Working with Console Tools

We recently had a project that required us to interact with console tools. People might have different terms for those type of tools so when I speak of console tools, I’m referring to a program or script that opens a command prompt and output stuff to that prompt and maybe accept user input by typing via the command prompt. An example of such application might be ipconfig, chkdsk, telnet, wscript/cscript …Read More

Working with XML Data Efficiently – Part Two

This is part two of our two-part series on working with XML data with a SQL Server backend. Part one can be found here. In part one, we showed how much simpler and effective it was to manipulate XML data by doing it directly in the SQL Server layer as opposed to front-end or middle-layer code. The inherent problem with manipulating XML is that we have to deal with both …Read More

Working with XML Data Efficiently – Part One

This is part one of a two-part series that discusses working with XML data with an SQL Server backend. Part two is discussed here. I’ve personally found XML files to be something of a bugbear. They’re going to require some kind of transformation to get it in a format that’s useful for importing or exporting. There are many, many methods to handle XML files but they can vary considerably and …Read More

Delay Loading Subforms in Access Part 1

In part one, Juan talked about the sequence of events fired when loading a form with a number of subforms in Access and how one can reduce the cascading effects of events being refired due to operations performed during the load. We will talk about how we can delay loading the subforms. By putting off the load of subform, we not only ensure that the parent form can fully load …Read More

Avoid the Groundhog Day Effect: Delay Loading Subforms in Access Part 2

We use subforms in Access a lot around here. Sometimes, we may have upwards of 5 or 6 subforms per form. Adding that many can be a real drag on performance if you’re not careful. This is part one of two posts on the topic. Ben will talk about disabling the loading of subforms on startup in our next post. Children Come First Adding subforms will alter the event sequence …Read More

Are you IN or are you out? (Not IN)

This is a part one of two-part on how you can make your queries much more powerful. In first part, we look at whether we’re in or not. Part two can be found here. The IN clause is a great tool to have in your arsenal, it can allow your forms to be editable or filter forms using . What is the IN clause? The IN clause is a member …Read More

Automation and Web

Whenever the subject of new web apps introduced with 2013 or web databases introduced with 2010, one common lamentation bought up by people is that they both lack VBA. It is certainly an understandable lamentation; almost all serious Access developers have used VBA and it’s VBA that makes it possible to use Access as the glue of the Office. Any complex Access application will have varying automation such as emailing …Read More

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