Скачать или смотреть Resolving Type Mismatch Error in Excel VBA Worksheet References

A step-by-step guide to fix the Type Mismatch Error in Excel VBA when setting worksheet variables after using an InputBox. Learn how to correctly reference workbooks and improve your Excel automation.
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This video is based on the question https://stackoverflow.com/q/62522099/ asked by the user 'Naqi Kazmi' ( https://stackoverflow.com/u/13772071/ ) and on the answer https://stackoverflow.com/a/62522184/ provided by the user 'BigBen' ( https://stackoverflow.com/u/9245853/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Resolving Type Mismatch Error in Excel VBA Worksheet References

When working with Excel VBA, especially in complex tasks involving multiple workbooks, you might encounter a frustrating Type Mismatch Error. This is often due to incorrect references in your code. In this guide, we will discuss a specific case where an InputBox function is used for workbook selection, and a Type Mismatch Error arises during worksheet definition. Let’s dive into the problem and its solution.

The Problem

In your VBA code, you're using an InputBox to allow users to select two workbooks, OpenBook_PY and CY, to gather source data. After successfully opening those workbooks, you attempt to assign worksheets to variables. Here's where things go wrong:

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

The problem begins here with a Type Mismatch Error indicated by the line above. The error is categorized as type 13 in VBA, meaning that the type of the object you're trying to reference is not what is expected.

Understanding the Cause

The issue lies in the way you are defining M_Sheet. The Comp_Book is already declared as a Workbook. Therefore, trying to get it from the Workbooks collection causes confusion for the VBA interpreter, which results in a type mismatch.

The Solution

To resolve this issue, you simply need to remove the unnecessary reference to the Workbooks collection when assigning your worksheets. Here’s how you can do it:

Correct the Code Lines

Instead of the following:

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

Change it to:

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

Apply the Same Logic to Other Worksheets

Similarly, you need to adjust the assignment for CY_Sheet and PY_Sheet:

Change:

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

To:

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

Why This Works

By directly referencing the Comp_Book, OpenBook_CY, and OpenBook_PY objects, you are providing VBA with a clear path to access the worksheets without confusion. This eliminates the type mismatch error, allowing your code to run smoothly.

Conclusion

In this guide, we tackled the Type Mismatch Error that can occur when working with VBA and multiple workbooks. By paying careful attention to how you reference workbooks and sheets, you can avoid common pitfalls and streamline your data-processing tasks in Excel. Remember to always ensure that your object references in VBA are clear and precise, so you can make the most of Excel’s powerful automation capabilities.

Now you should be able to apply this fix to your VBA code and enhance your Excel workflow efficiently!