Blog
Mert Özen's blog posts on software development, backend, frontend, and DevOps.
Series
.NET Core Web API
36
Angular
31
JavaScript Basics
19
JavaScript Intermediate
18
JavaScript Advanced
16
TypeScript Basics
14
TypeScript Intermediate
14
TypeScript Advanced
12
Entity Framework Core
28
Dapper
16
Git & GitHub
29
Web Security (OWASP Top 10)
21
LLM Fundamentals
20
C# Fundamentals
20
Object-Oriented Programming in C#
16
C# Collections and Generics
11
LINQ
17
Asynchronous Programming in C#
17
Advanced C#
14
C# Versions
6
![Enums in C#: Underlying Types, [Flags], Parse and switch](https://cms.mertozen.com/uploads/1/e7a2835edf27407e97ffe5f980c0a2e3.png)
Backend
PART 15
Enums in C#: Underlying Types, [Flags], Parse and switch
The number under an enum: why (OrderStatus)7 is a valid value, why default is 0, giving values by hand, the surprises of Parse and TryParse, the CS8524 warning in switch expressions, and combinable options with [Flags].
7 Nov 2026
9 min
10
Frontend
PART 13
TypeScript Enums, Namespaces and Parameter Properties: Syntax That Isn't Erasable
We examine numeric and string enums, const enum, namespaces and parameter properties through their compiled output, and see why they aren't erasable, erasableSyntaxOnly, and the as const alternative.
3 Nov 2026
8 min
27