Author: Vitosh
A VBA Developer.

C# – Reading from Excel Spreadsheets with Asynchronous Programming (Async)

Reading from Excel in C# is actally not at tough as many VBA developers would assume. The simple reading is actually quite straightforward – there is only small little trick, requiring the adding of the Microsoft.Office.Interop.Excel reference to the Visual

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C# – How to get the last filled cell of a given row in Excel

Getting the last row of a given column in Excel with a formula or with VBA is quite a trivial task. It is explained here quite well 🙂 However, when we come to C#, the only “trick” that is provided

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C# – Find the Biggest Square in a Matrix – What can Excel and VBA add to it?

Finding the biggest square of specific units in a given matrix of these units is a standard dynamic programming problem. The examples in Google for it are above 18 million, thus I would simply show how it is done with

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C# – Refactoring a Problem

Some days ago I have decided to take a look at one of the homeworks problem of the OOP course at SoftUni. Then, I have decided to solve it with my VBA OOP knowledge, implementing it in C#. Whether VBA

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C# – Quick Reference for Abstract Classes

Abstract Classes in C# are classes, intended only to be a base class of other classes. Members marked as abstract, or included in an abstract class, must be implemented by classes that derive from the abstract class. Reference With other

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Visual Studio – How to create a custom shortcut

If you want to create a custom shortcut to a command in Visual Studio, these are the steps to be taken: Ribbon>Tools>Options Environment>Keyboard Show commands containing (write the command) Press shortcut keys Assign and OK

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VBA – How to copy a new object in VBA, without copying its reference

Copying an object in VBA to a new object is somehow tough. If you use  Set foo = bar then, both foo and bar would be pointing to the same address in the heap. And if you change the properties of one, you would automatically

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C# – Entity Framework – Using LINQPad for Queries – Just Getting Started

After the previous two articles for C# – Foreign Keys in Entity Framework – Code First – Query with Linq and Entity Framework – Linq vs Extension Methods (Example) it is a good idea to present some actions with LINQPad. LINQPad5 is

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C# – Foreign Keys in Entity Framework – Code First – Query with Linq

In this article, I present an Entity Framework example, building two tables with foreign keys, using code first. The sample I am using is building over the previous article for EF. Pretty much, when you are running your application, if

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Entity Framework – Linq vs Extension Methods (Example)

This article presents a simple example of querying with Linq and Extension Methods in Entity Framework (EF). To set the EF, create a C# Console application. Then add the Package Manager Console from Tools: Then run Install-Package EntityFramework in the Package

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VBA – Environmental Variables

The environmental variables are a dynamic-named values that can affect the way running processes will behave on a computer. With other words, if you want to see them in your PC, simply open the command prompt and write the nice word

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VBA – Data scraping from Internet with Excel – Part 2

Some time ago I wrote an article for Data scraping from Internet with Excel , which was scraping book information from amazon.com, based on a given word. Thus, for a keyword as “VBA”, this is the data, printed in the immediate

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VBA – Add Shape to Range in Excel

Adding shapes to a range in VBA with Excel is actually a trivial task, if you are aware of the Shapes.AddShape method. It has 5 parameters, 4 of which could be pretty easily remapped to the parameters of the range:

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VBA – Animation with Excel

Animation consists of some pictures. In general, there are about 24 pictures per second, in order to do the “magic”. This could be easily automated with Excel, using  Application.Wait (Now + #12:00:01 AM#), if we agree to make it a bit old-fashioned, with 1 picture

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VBA – Extracting text from string between two identical characters using VBA

Automation of Excel is actually pretty interesting task. VBA is indeed the best built-in tool for this and although there is a lot of “hate” towards it it really deserves to be taken into account seriously, at least for small daily

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VBA – RegEx Used to Take the Valuable Data Out

Writing for RegEx in VBA is sometimes a good idea and sometimes a bad idea. Anyway, if you need to write one, you better be careful. These are the RegEx articles in VBA in VitoshAcademy so far: https://www.vitoshacademy.com/vba-regex-in-excel-part-2/ https://www.vitoshacademy.com/vba-regex-in-excel/ So,

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VBA – AutoMacro AddIn – VBA Software Review

VBA is extremely underestimated programming language. I have always been thinking that there are almost no real #VBA developers, because the “real” developers do not want to do some meaningless “macro” stuff and the people who work with #VBA are

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VBA – How to check messages for specific words before sending them with Outlook

Gmail has the option to revert a message for about 10 seconds after you have sent it: Well, Outlook with VBA can do similar things, if you are willing to program it a bit with VBA. Let’s say that you

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Last Used Row (Last Used Column) in Excel with Formula (without VBA)

Getting the last row of a given column in Excel is easily done with a User-Defined Function in VBA:

There are two other formulas, which would get the last used cell in a given row, depending on whether it

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C# – Split String in One Line and Get the First SubString

Imagine, that you are given a string in C# with some separator in it, and you need to split it and refer to the first or the second part of the splitted string. E.g., you are having  *AAAaa*SEPARATOR*zzZZZ* and with one line,

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VBA – How to handle only specific errors in VBA

Sometimes, but only sometimes, someone needs to handle specific VBA errors and to avoid them. Or to ignore them. Or anything like this. Let’s say, you want to avoid error number 91, because you think that it is a case

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Add comments in Excel with VBA

Adding comments with VBA is somehow quite a trivial task, if you already have the text of the comment and you are allowed to delete the comment if it is present. In general, the only difficult part is the check,

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Call Stack Dialog Box in VBA

Calling the stack dialog box in VBA is actually a very useful feature of the VBA Editor. This is what the Microsoft documentation says about it: Displays a list of currently active procedure calls during break mode. When executing code

VBA – Data scraping from Internet with Excel

Sometimes, you may need to scrape some structured data from the internet with Excel. Honestly, Excel. Honestly, Excel should be your last weapon of choice there, as far as it is really not a web-scraping software. Still, it is quite

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Book Review – Java Script Recipies

Russ Ferguson and Keith Cirkel have managed to write an interesting book about JavaScript with some interesting knowledge. As I have read plenty of JS books and I have almost never worked professionally with JS, I am always eager to

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Excel – Get Top Row of a Multi Row / Mult Column Range

=VLOOKUP and =INDEX(MATCH(),MATCH()) are well known formulas, if you need to get some value corresponding to another value from a specific column. The problem comes, when you are having more than one column or row, and you need to locate the

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VBA – Read different levels of XML

After the article here for VBA – Select a Single Node XML now I am writing an update from it, which shows how to loop through all the nodes that we are interested in and get data from them. The XML is

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Python – Write Values in all Worksheets of existing Excel File

Working with VBA is usually not considered high level of programming. Still, when it comes to Excel, this is probably the best solution. However, Python has some libraries which can help a bit, if you are willing to “mimic” the

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VBA – Fill Numbers in a Given Range

So, the idea is the following –  imagine that you have an NxN range, which should be filled out with consecutive numbers. Thus, if the range is 6×6, you start filling the numbers normally and once you reach the 6.

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Format and Color Text in Excel Cell with VBA

Formatting a substring of a string in an Excel Cell is actually quite a challenging task. There are two ways to do it – select part of the substring that you wish to format and change its color. Then make

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