You have a list of employees with properties Name and Age. How do you sort the list first by Age ascending, then by Name alphabetically?

hard🚀 Application Q8 of 15

C Sharp (C#) - LINQ Fundamentals

You have a list of employees with properties Name and Age. How do you sort the list first by Age ascending, then by Name alphabetically?

Aemployees.Sort(e => e.Age, e => e.Name);

Bemployees.OrderBy(e => e.Name).ThenBy(e => e.Age);

Cemployees.OrderByDescending(e => e.Age).ThenByDescending(e => e.Name);

Demployees.OrderBy(e => e.Age).ThenBy(e => e.Name);

Step-by-Step Solution

Solution:

Step 1: Identify primary and secondary sorting
Primary sort is by Age ascending, secondary by Name ascending.
Step 2: Use OrderBy and ThenBy
OrderBy sorts by primary key, ThenBy sorts by secondary key.
Final Answer:
employees.OrderBy(e => e.Age).ThenBy(e => e.Name); -> Option D
Quick Check:
OrderBy then ThenBy for multi-level sort [OK]

Quick Trick: Use OrderBy then ThenBy for multi-level sorting [OK]

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