Скачать или смотреть How to Dynamically Populate a ListView with Data from a Comma Delimited File in C#

Discover how to easily read a comma delimited file and populate a ListView dynamically in C#. This step-by-step guide will help you tackle common issues and simplify your coding process.
---
This video is based on the question https://stackoverflow.com/q/163662/ asked by the user 'AlbertEngelB' ( https://stackoverflow.com/u/23875/ ) and on the answer https://stackoverflow.com/a/163689/ provided by the user 'Jeffrey L Whitledge' ( https://stackoverflow.com/u/10174/ ) 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, comments, revision history etc. For example, the original title of the Question was: Reading Comma Delimited File and Putting Data in ListView - C#

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 3.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 2.5' ( 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 Dynamically Populate a ListView with Data from a Comma Delimited File in C#

When working on a C# project that involves handling data from a comma delimited file, one common task is to display that data in a user-friendly way, such as in a ListView. However, you may encounter a challenge if the size of the data is dynamic; that is, it can vary significantly from one instance to another. In this guide, we'll explore how you can read a comma delimited file and display its contents in a ListView, even when the data size isn't predetermined.

Understanding the Problem

You might find yourself in a situation where:

You've successfully parsed a comma delimited file into a multidimensional array.

You understand how to create ListViewItems but face issues adding them dynamically to a ListView.

Common Concerns:

Dynamic Size: Your ListView may need to accommodate varying amounts of data.

Naming Objects: As a beginner, you might struggle with how to reference objects when they are created in a loop without predetermined names.

The Solution

Step 1: Read the Comma Delimited File

Before populating your ListView, ensure you've correctly read the file and stored your data in a multidimensional array. Here's how you might have done it:

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

Step 2: Initialize the ListView

You need to clear any existing items in your ListView and set up the necessary columns based on your data format. Each array index could correspond to a ListView column.

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

Step 3: Populate the ListView

Now that your ListView is ready, you can start populating it. Utilize a loop to iterate over your array and create ListViewItems that can be added to the ListView. The important part is using the constructor that accepts an array of strings.

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

Step 4: Handle Dynamic Updates

If your file might change, consider wrapping the file reading and ListView population code within a method that can be called whenever new data is needed. This way, your application remains responsive and user-friendly.

Additional Tips:

Check File Size: Before loading, you might want to check the file size to anticipate user experience.

Error Handling: Implement error handling to deal with files that could potentially be corrupted or unreadable.

UI Threading: If you're reading large files, consider doing so on a separate thread to prevent UI freezing.

Conclusion

By following these steps, you can efficiently read data from a comma delimited file and populate a ListView dynamically, regardless of how large or small the file may be. Don't hesitate to play around with the code, and remember that every programming challenge is a learning opportunity. Happy coding!