Скачать или смотреть Fetching All Records in a Column of Oracle APEX Interactive Grid Without forEach

Learn how to efficiently fetch and work with all age records in an Oracle APEX interactive grid using simple JavaScript loops without relying on `forEach`.
---
This video is based on the question https://stackoverflow.com/q/77685892/ asked by the user 'Chadmerdinger' ( https://stackoverflow.com/u/18607594/ ) and on the answer https://stackoverflow.com/a/77690153/ provided by the user 'Karel Ekema' ( https://stackoverflow.com/u/23023397/ ) 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: How to fetch all the records in some column in interactive grid Oracle APEX (without using forEach)?

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 Fetch All Records in a Column of Oracle APEX Interactive Grid Without forEach

In the world of web development, efficiently handling and manipulating data is crucial, especially when dealing with interactive elements like grids. One common challenge that many Oracle APEX developers face is retrieving all records from a specific column in an interactive grid without using the forEach method. This task involves basic JavaScript or jQuery programming techniques, and today, we will dive into a straightforward solution for this problem.

The Problem: Fetching Records from an Interactive Grid

Imagine you have an interactive grid in your Oracle APEX application displaying a variety of data points, such as first names, last names, and ages. Let's say you want to extract all the ages from this grid and check for any duplicates. While there are various methods to traverse the grid's data, you prefer using a traditional for loop instead of the more modern forEach function.

This requirement raises a central question: How can you effectively fetch all the records from the "AGE" column in an interactive grid using a simple for loop?

The Solution: Using the Interactive Grid Features

To solve this problem, we will leverage the built-in methods provided by the Oracle APEX framework and JavaScript. Below is a step-by-step breakdown of the approach we will use:

Step 1: Prepare Your Variables

Before we begin, we need to set up our variables to hold the ages and access the grid model. Here’s how to initialize them:

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

Step 2: Get the Total Number of Records

Next, we need to determine how many records exist in the grid so that our loop can iterate accordingly. We use the getTotalRecords(true) method for this:

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

Step 3: Loop Through the Records

Now we can write our loop to go through each record, fetch the age, and store it in our age array. Here’s a simple implementation of the for loop:

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

Complete Code Example

Here’s how the complete code looks when you put all the pieces together:

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

Conclusion

By following these steps, you can effectively fetch all records from a specific column in an Oracle APEX interactive grid using a traditional for loop. This solution provides a straightforward approach that can be especially useful in various scenarios where more control over loop execution is desired.

Feel free to implement this code in your Oracle APEX application and adapt it as necessary to fit your specific needs. Happy coding!