Rationale File handling is a common requirement but presents significant security and scalability challenges. Improper implementation can lead to security vulnerabilities (path traversal, malicious uploads), memory exhaustion, and storage inefficiencies. These patterns provide secure, performant, and maintainable approaches to file operations in Razor Pages. Patterns Pattern 1: Secure File Upload Validation Implement comprehensive validation for file uploads including type, size, and content verification. Pattern 2: Streaming Large Files Handle large file uploads efficiently without loading e…