Select - Transformation

Query

public void Linq8()
{
    int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 };
    string[] strings = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };
  
    var textNums =
        from n in numbers
        select strings[n];
  
    Console.WriteLine("Number strings:");
    foreach (var s in textNums)
    {
        Console.WriteLine(s);
    }
}

Lambda Expression

public void DataSetLinq8()
{
    var numbers = testDS.Tables["Numbers"].AsEnumerable();
    string[] strings = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };
 
    var textNums = numbers.Select(p => strings[p.Field("number")]);
 
    Console.WriteLine("Number strings:");
    foreach (var s in textNums)
    {
        Console.WriteLine(s);
    }
}

Output

Number strings:
five
four
one
three
nine
eight
six
seven
two
zero

Related Tutorial

1 Select - Simple 1

2 Select - Simple 2

3 Select - Transformation

4 Select - Anonymous Types 1

5 Select - Anonymous Types 2

6 Select - Anonymous Types 3

7 Select - Indexed

8 Select - Filtered

9 SelectMany - Compound from 1