Creating a Dynamic Graph Using VBA in Excel

Creating a Dynamic Graph Using VBA in Excel

Learn how to create a dynamic graph in Excel using VBA that adjusts based on user input. Easy step-by-step guide! --- This video is based on the question https://stackoverflow.com/q/70647955/ asked by the user 'alad' ( https://stackoverflow.com/u/11739284/ ) and on the answer https://stackoverflow.com/a/70648225/ provided by the user 'TehDrunkSailor' ( https://stackoverflow.com/u/13705050/ ) 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: Dynamic graph using VBA 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 Create a Dynamic Graph Using VBA in Excel Creating visual representations of data is essential for analysis and presentations. One useful technique within Excel is the ability to generate dynamic graphs using VBA (Visual Basic for Applications). This can take your data visualizations to the next level by allowing them to adjust based on user input. In this guide, we will break down the process of creating a dynamic graph that changes based on the number of rows specified in your data set. Understanding the Problem Imagine you have a table containing SKU and Volume as shown below: SKUVolumea10b20c30d40e50f60You want to produce a graph based on the number of SKUs defined by a user in cell E2. For instance, if E2 contains the value 4, the graph should display only SKUs 'a', 'b', 'c', and 'd'. However, you encountered an error while executing your VBA code: [[See Video to Reveal this Text or Code Snippet]] Let's dive into the code and identify the issue while explaining how to properly resolve it. Dissecting the Code Here's the original code you provided: [[See Video to Reveal this Text or Code Snippet]] Error Analysis The error occurs on the line involving SetSourceData. Upon inspection, the variable x gets its value from cell F1. If F1 is empty, it defaults to 0. Therefore, when the code attempts to set the range to E4:F0, it fails because F0 does not exist. Correcting the Code To fix this issue, we need to modify the code on two fronts: Source Cell Update: Change the source of x from F1 to E2 to ensure the number of rows for the graph is defined correctly. Adjust the Data Range: Amend the range for setting the source data to reflect the correct rows. Here’s the revised code: [[See Video to Reveal this Text or Code Snippet]] Explanation of Key Changes Specifying E2: Here, x now correctly gets the number of rows for the chart from cell E2. Adjusting the Range: The x + 3 offset makes sure that we capture the total number of data rows starting from row 4 (i.e., E4, F4, ..., up to the number specified in E2). Important Notes The number of rows specified includes the title row from your dataset. So, when you specify 4 in E2, it refers to the 4 rows starting from E4, which includes the title. Conclusion By following the steps outlined in this guide, you can successfully create a dynamic graph in Excel using VBA that reacts to user input. This capability not only enhances your Excel skills but also makes your data presentation much more engaging and informative. Feel free to refactor and tweak this code further to fit your specific needs and to explore other functionalities that VBA has to offer. Happy charting!