A sorting operation orders the elements of a sequence based on one or more attributes.

Methods

Method	Description	Query expression
`OrderBy`	Sort values in ascending order	`orderby`
`ThenBy`	Perform a secondary sort in ascending order	`orderby …, …`
`Reverse`	Reverse the order of the elements	N/A

Query Expression

Sort Ascending

string[] words = { "the", "quick", "brown", "fox", "jumped", "over", "the", "lazy", "dog" };

var query = from word in words
    orderby word.Length
    select word;

Sort Secondary Ascending

var query = from word in words
    order by word.Length, // First, sort by length
    word.Substring(0, 1) // then by the first letter of the word
    select word;