Скачать или смотреть Mastering ngx-datatable with VBA

Learn how to effectively read data from an `ngx-datatable` using VBA, including step-by-step code examples and explanations to resolve common issues.
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This video is based on the question https://stackoverflow.com/q/63421137/ asked by the user 'Jim Carney' ( https://stackoverflow.com/u/10747068/ ) and on the answer https://stackoverflow.com/a/63421532/ provided by the user 'Tim Williams' ( https://stackoverflow.com/u/478884/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Mastering ngx-datatable with VBA: A Step-by-Step Guide

In the world of web development and data extraction, ngx-datatable represents a highly versatile table component utilized mainly in Angular applications. If you’re trying to interact with an ngx-datatable using VBA (Visual Basic for Applications), you may find it challenging due to its structure. In this guide, we'll answer a common query: How can I read data from an ngx-datatable using VBA?

Understanding the Problem

When attempting to extract data from a webpage that utilizes ngx-datatable, you may encounter specific issues. The typical error arises from the fact that ngx-datatable does not behave like a standard HTML table (IHTMLTable) recognized by VBA. Instead, it may be identified as "objHTMLunknownelement," causing problems when trying to loop through its rows and cells.

With that in mind, let's explore how to effectively connect with an ngx-datatable and extract the desired information without running into errors.

Steps to Read ngx-datatable Using VBA

To access and read an ngx-datatable, you can follow these structured steps in your VBA code:

1. Set Up the Internet Explorer Object

To begin, you’ll need to establish a connection to the webpage that houses the ngx-datatable. This is accomplished by using Internet Explorer (IE) via VBA.

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2. Target the ngx-datatable Element

Once you have the document, the next step is to locate the ngx-datatable element within the document:

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This code checks for the presence of ngx-datatable on the page.

3. Access the Rows within the Table

To extract the information, target the rows within the ngx-datatable. You will gather all the rows by using a specific tag that corresponds to the body of the datatable:

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4. Loop Through Rows and Cells

Once you’ve accessed the rows, you can iterate through them and extract the desired data (e.g., ensuring it falls within a specific date range):

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5. Implement a Function to Get the Open IE Tab

You'll need a supporting function to get the currently open Internet Explorer tab:

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Conclusion

By following these steps, you can successfully read data from an ngx-datatable using VBA. This approach allows you to handle non-traditional HTML table formats and implement data extraction efficiently.

Feel free to modify the code snippets to suit your specific requirements and check for any additional conditions (like date ranges) as needed. With this knowledge, you are well-armed to tackle data extraction challenges involving ngx-datatable in your VBA projects.

If you encounter further issues or need additional clarification, don’t hesitate to reach out. Happy coding!