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What is ASP.NET C# File Upload with Validation about?

This document provides code and HTML for a simple file upload form in ASP.NET C# that validates the file type. It accepts only JPEG, PNG, and GIF files, saves valid files to the App_Data folder, and displays an error for invalid file types. The code checks the file extension against a list of allowed extensions and saves the file if it matches or displays an error message if not.

Author

hsuyip

Language

EN