How to Use XSLT to Transform Values from One XML File to Another Based on Sequence

Learn how to effectively use `XSLT` to transform XML data from one file to another in a structured way, following a defined sequence.
---

Visit these links for original content and any more details, such as alternate solutions, comments, revision history etc. For example, the original title of the Question was: XSLT to transform value from one file to another file based on sequence

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Unlocking the Power of XSLT for XML Transformations

If you've ever needed to convert data between XML files while ensuring the correct sequence and structure, then you know how complicated it can sometimes get. XML transformations using XSLT (Extensible Stylesheet Language Transformations) can be a powerful tool to achieve this, especially when dealing with complex data structures across different files.

In this guide, we will discuss how to use XSLT to transform data between two XML files based on specific rules related to sequences and relationships between the data entries.

The Challenge: Transforming Data from Two XML Files

Grouping and Sequencing: Parts must be grouped under their respective sites and sequenced correctly in the output file.

Provided XML Files

Here are the contents of the sample XML files we will work with.

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

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

The Solution: Crafting an XSLT Stylesheet

In order to achieve the required transformation, we need to implement an XSLT stylesheet that reads both input files and generates the desired output format. Below is a simple XSLT script to start with.

Sample XSLT Code

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

Explanation of the Stylesheet

Templates:

The first template matches the root element <Json> and applies templates for each <site_req>.

The second template matches each <site_req> element, extracting the siteId and partnum values based on their respective positions, thus ensuring the values are rapidly synced and transformed.

Generating the Output

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

Conclusion

Using XSLT for XML transformations can significantly streamline the process of converting and structuring your data. With the fundamental concepts laid out in this guide, you can start applying XSLT not just for this task, but for various XML processing workflows you encounter.

If you're new to XML and XSLT, remember that practice makes perfect. Start experimenting with your own files and transformations, and soon you’ll be comfortably manipulating XML data with ease.

By following this guide, you can effectively leverage XSLT to manage and transform XML data from one file to another while ensuring data relationships are correctly maintained. Happy coding!