A CSV file is a plain text file where each line represents a data record, and each record consists of one or more fields separated by commas. To force a browser to download this text as a file, you must: Set the header to text/csv .
Generating and downloading CSV files dynamically is a common requirement in ASP.NET applications for exporting reports, customer lists, or logs. Using C#, you can achieve this by building a comma-separated string from your data and writing it directly to the . 1. Key Concepts for CSV Export
Set the header to attachment;filename=YourFileName.csv .
Properly handle special characters (like commas or newlines) within your data fields to avoid corrupting the file structure. 2. Implementation in ASP.NET Core (Recommended)