Скачать или смотреть How to Handle AutoFillFormulasInLists in Excel VBA: A Deep Dive

Explore effective solutions to manage Excel's autofilling behavior with `AutoFillFormulasInLists` option in VBA. Learn how to avoid unwanted formula duplication in your lists!
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Managing Autofill Formulas in Excel VBA

If you’ve ever encountered unexpected behavior while working with tables in Excel using VBA, you might be grappling with a specific frustration: the issue of automatic formula filling even after turning off the Application.AutoCorrect.AutoFillFormulasInLists option. This guide will explain this peculiar behavior and provide you with several actionable solutions to manage it effectively.

Understanding the Problem

When you set Application.AutoCorrect.AutoFillFormulasInLists = False, you anticipate that formulas assigned to a range will remain unique to each cell, particularly in a structured table. However, many users have reported that Excel still autofills these formulas to replicate the first value in the assigned array. This can be incredibly frustrating, especially when your array is set up correctly.

Key Factors to Note:

Excel’s behavior can differ based on the version, and it seems that Office 365 has introduced additional complexities.

Some users also observe that Excel adds rows automatically to tables, even with autofill options turned off, which can complicate the situation further.

Solutions to Manage Autofilling

1. Convert to Range and Back

One simple approach is to convert your table to a range, input your formulas, and then reconvert it to a table.

Steps:

Right-click on your table and select Table Convert to Range.

Input your desired formulas.

Convert back by selecting the range and inserting a new table.

Note: This method may not work if you are using structured references.

2. Use .FormulaArray

If your formulas can be structured as array formulas, consider using the .FormulaArray property. This allows you to assign multiple values at once.

Implementation:

Assign your range using testTable.DataBodyRange.FormulaArray = dataArray.

Keep in Mind: Using .FormulaArray will surround your formula with curly brackets {} in the formula bar.

3. Chunking Your Formulas

Another effective strategy is to break your assignments into smaller arrays and write them sequentially. This helps to mitigate the issue of unwanted autofilling by reducing the batch size.

Implementation:

For example, instead of assigning all formulas at once, you could split them into several smaller arrays and assign them like so:

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Conclusion

Working with Excel and VBA can present unique challenges, especially with autofilling behaviors. By understanding these nuances and employing these strategies, you can better manage your data inputs and achieve the desired outcomes in your Excel projects. Always remember that different versions of Excel may behave unexpectedly, so testing is key.

By utilizing techniques such as converting ranges, using array formulas, or writing in smaller segments, you can navigate around the autofilling problem and maintain control over your formula assignments.

For anyone facing similar issues, I encourage you to experiment with the provided solutions and see which yields the best results for your particular scenario.