How to Create a Dynamic HTML Table in React Native PDF with Expo-Print

Описание: Discover how to dynamically populate a PDF table in React Native using the expo-print library. Follow our step-by-step guide for effortless PDF creation!
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This video is based on the question https://stackoverflow.com/q/70506990/ asked by the user 'Mohan Wijesena' ( https://stackoverflow.com/u/4196889/ ) and on the answer https://stackoverflow.com/a/70510158/ provided by the user 'Vishal Pawar' ( https://stackoverflow.com/u/13342499/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Creating a Dynamic HTML Table in React Native PDF with Expo-Print

When working with data in React Native, you may find the need to print that data in a neatly formatted PDF. One common requirement is to present lists of items in a table format. In this guide, we will tackle a common challenge: how to dynamically populate required table rows based on the length of a data array and print each result in a separate row using the expo-print library.

The Challenge

Assume you have a list of identifiers (like those shown below) that you want to display as rows in a PDF document:

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

If you try to print this data directly, you may run into trouble by ending up with all the items squeezed into a single row. This isn't ideal if you want a clear and organized presentation. Thus, understanding how to generate multiple rows based on the array length is crucial.

The Solution

1. Creating the Dynamic HTML Table

To create a dynamic HTML table, we need to loop through the data array and generate a row for each item. Here’s how to do it:

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

2. Structuring the Final HTML Content

With the dynamic table rows generated, we need to embed them into the overall HTML structure:

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

This effectively sets up a full HTML document with a table containing all the rows from your list.

3. The Printing Function

Now that your HTML content is prepared, you can define a function to trigger the print operation using expo-print:

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

Conclusion

By utilizing the steps outlined above, you can effectively create a dynamic HTML table that prints each item in a separate row. This method not only enhances the readability of your PDF documents but also allows for greater flexibility in handling your data.

In summary, the ability to dynamically generate a PDF table in React Native using the expo-print library is a practical solution for anyone looking to present data in an organized format. With just a few lines of code, you can turn your arrays into beautifully formatted PDFs ready for printing.