ToDictionary

Query

public void Linq56()
{
    var scoreRecords = new[] { new {Name = "Alice", Score = 50},
                                new {Name = "Bob"  , Score = 40},
                                new {Name = "Cathy", Score = 45}
                            };
  
    var scoreRecordsDict = scoreRecords.ToDictionary(sr => sr.Name);
  
    Console.WriteLine("Bob's score: {0}", scoreRecordsDict["Bob"]);
}

Lambda Expression

public void Linq56()
{
    var scoreRecords = new[] {
        new {Name = "Alice", Score = 50},
        new {Name = "Bob"  , Score = 40},
        new {Name = "Cathy", Score = 45}
    };
 
    var scoreRecordsDict = scoreRecords.ToDictionary(sr => sr.Name);
 
    Console.WriteLine("Bob's score: {0}", scoreRecordsDict["Bob"]);
}

Output

Bob's score: { Name = Bob, Score = 40 }