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
Solution Patterns
22
Database
PART 02
Query and Mapping with Dapper: How Do Columns Map to Properties?
We look at how Query<T> maps columns to properties: case-insensitive matching, silently skipped columns, NULL and default values, MatchNamesWithUnderscores and its cache trap, dynamic results and constructor mapping for records.
6 Nov 2026
10 min
7
Database
PART 11
Type Handlers and Custom Mapping in Dapper: Guid, DateTimeOffset and CustomPropertyTypeMap
Why does Dapper blow up when reading Guid, DateTimeOffset and TimeSpan on SQLite? We write interpreters with SqlMapper.TypeHandler<T>, see from the source why SetValue is never called, and cover the DateOnly/TimeOnly story of 2.1.86 and column mapping with CustomPropertyTypeMap.
6 Nov 2026
11 min
13