Скачать или смотреть Efficiently Modify Column Values in Excel Based on Criteria using VBA

Discover how to easily change values in Excel based on specific conditions with VBA. Learn step-by-step instructions to automate your tasks successfully.
---
This video is based on the question https://stackoverflow.com/q/62231135/ asked by the user 'Stephen Callaghan' ( https://stackoverflow.com/u/13690136/ ) and on the answer https://stackoverflow.com/a/62232397/ provided by the user 'Saeed Sayyadipour' ( https://stackoverflow.com/u/9617615/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Change the values in a column depending upon different criteria

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Efficiently Modify Column Values in Excel Based on Criteria using VBA

If you’ve ever found yourself needing to change values in a specific column of an Excel sheet depending on various conditions, you’re not alone. This is a common task faced by many Excel users, especially when dealing with large datasets. Fortunately, by utilizing Visual Basic for Applications (VBA) within Excel, you can automate this process, saving you time and reducing the chance for errors. In this post, we’ll walk through how to achieve this with a clear and structured approach.

The Problem Statement

You want the values in Column D to change depending upon the values present in Column A. Certain values should be modified while others remain unchanged if specific conditions aren't met. For example:

If Column A has the value "Bol", you want to multiply the corresponding value in Column D by 1.19.

If Column A has the value "Amazon", you want to multiply the corresponding value in Column D by 1.2.

If neither condition is met, the value in Column D should remain as is.

As a beginner in VBA, you may have run into some errors while trying to implement this logic. Let’s break down the solution into manageable steps.

Solution Outline

We’ll create a simple VBA macro that will accomplish the task of modifying values in Column D depending on the conditions set by Column A. The solution involves these steps:

Step 1: Set Up Your Environment

Before you begin coding, ensure that you have access to the Developer tab in Excel, as this is where you’ll write your VBA script.

Open your Excel file.

Click on the Developer tab.

Select Visual Basic to open the VBA editor.

Step 2: Write Your VBA Code

This VBA code will check each cell in Column A and apply the appropriate modification to Column D. Here’s the complete code:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Explanation of the Code

Here’s a breakdown of how the code works:

Application.ScreenUpdating = False: This line helps improve performance by preventing screen flickering while the code is running.

Lastrow: This variable holds the last row number with data in Column D to ensure we only loop through filled cells.

Looping through the rows: The For loop starts from row 2 (to skip the header) and goes until Lastrow.

Condition Checks: Inside the loop, it checks the value in Column A:

If it’s "Bol", the corresponding value in Column D is multiplied by 1.19.

If it’s "Amazon", the corresponding value in Column D is multiplied by 1.2.

No Data Message: If there is no data in Column D, a message box informs the user.

Step 4: Running the Macro

You can run the macro directly in the VBA editor or return to Excel and use the Macro dialog (found in the Developer tab) to execute it.

Conclusion

By utilizing this VBA solution to modify values in Excel based on specific criteria, you can streamline your data processing tasks significantly. Once you become comfortable with these basics, consider exploring additional features of VBA for even more advanced capabilities!

Now you can easily automate changes in your Excel files based on dynamic conditions, making your data tasks more efficient and less error-prone.