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LINQ FirstOrDefault Usage Guide
csharp.academy/linq-firstordefault/Yapay zekadan makale özeti
- Basic Functionality
- FirstOrDefault returns first element or default value in collection
- Default value is null for reference types, 0 for value types
- Method accepts zero or one parameter
- Integer Collection Examples
- Without condition: returns first integer from collection
- With condition: returns first integer greater than specified value
- Empty collection returns default value of specified type
- Object Collection Examples
- Without condition: returns first object from collection
- Empty collection throws NullReferenceException
- With condition: returns first object matching specified property
- Validation recommended using if statement for null checks