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Programming Fundamentals
Programming Concepts 1
Programming Concepts 2
Programming Concepts 3
Object-Oriented Programming A
Object-Oriented Programming B
Object-Oriented Programming C
Advanced .NET Programming A
Advanced .NET Programming B
Advanced .NET Programming C
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Chapter 3.1 - Validation
Chapter 3.1 - Validation
3.1.1 How to Avoid Using Hardcoded Values [3 minutes]
3.1.2 Validation Strategies (Last Updated: 7/20/2026)
3.1.3 Fail Fast Design (Last Updated: 7/20/2026)
3.1.4 Why We Use Validation (Last Updated: 7/20/2026)
3.1.5 Ways to Validate Data (Last Updated: 7/20/2026)
3.1.6 String Manipulation (Last Updated: 7/20/2026)
3.1.7 .Trim() (Last Updated: 7/20/2026)
3.1.8 .ToLower() (Last Updated: 7/20/2026)
3.1.9 Text Boxes (Last Updated: 7/20/2026)
3.1.10 Check Boxes (Last Updated: 7/20/2026)