Aggregation
Aggregate, Average, Count, LongCount, Max, Min, Sum
Conversion
AsEnumerable, Cast, OfType, ToArray, ToDictionary, ToList, ToLookup
Element
ElementAt, ElementAtOrDefault, First, FirstOrDefault, Last, LastOrDefault, Single, SingleOrDefault
ElementAt
ElementAtOrDefault
First (simple)
First (conditional)
FirstOrDefault
Last
LastOrDefault (simple)
LastOrDefault (conditional)
Single
SingleOrDefault
Generation
DefaultIfEmpty, Empty, Range, Repeat
Grouping
GroupBy
Join
GroupJoin, Join
Ordering
OrderBy, OrderByDescending, Reverse, ThenBy, ThenByDescending
OrderBy (simple - numbers)
OrderBy (simple - dates)
OrderBy (simple - objects)
OrderByDescending
Reverse
ThenBy
ThenByDescending
Other
Concat, SequenceEqual, Zip
Partitioning
Skip, SkipWhile, Take, TakeWhile
Projection
Select, SelectMany
Quantifiers
All, Any, Contains
Restriction
Where
Set
Distinct, Except, Intersect, Union
Close
OrderByDescending: Sorts a collection in descending order.
| OrderByDescending: Sorts a collection in descending order. |
| OrderByDescending: Sorts a collection in descending order. |
| This Lambda Expression sample sorts array of names in descending order. |
| This Lambda Expression sample sorts array of names in descending order. |
static void Sample_OrderByDescending_Linq()
{
string[] names = { "Ned", "Ben", "Susan" };
var result = from n in names
orderby n descending
select n;
Debug.WriteLine("Descending ordered list of names:");
foreach (string name in result)
Debug.WriteLine(name);
}
Output: Descending ordered list of names: Susan Ned Ben
Private Shared Sub Sample_OrderByDescending_Linq()
Dim names As String() = {"Ned", "Ben", "Susan"}
Dim result = From n In names Order By n Descending
Debug.WriteLine("Descending ordered list of names:")
For Each name As String In result
Debug.WriteLine(name)
Next
End Sub
Output: Descending ordered list of names: Susan Ned Ben
let Sample_OrderByDescending_Linq() =
let names = [|"Ned"; "Ben"; "Susan"|]
let result = query {
for n in names do
sortByDescending n
}
Debug.WriteLine(sprintf "Descending ordered list of names:")
for name in result do
Debug.WriteLine(sprintf "%s" name)
Output: Descending ordered list of names: Susan Ned Ben
static void Sample_OrderByDescending_Lambda()
{
string[] names = { "Ned", "Ben", "Susan" };
var result = names.OrderByDescending(n => n);
Debug.WriteLine("Descending ordered list of names:");
foreach (string name in result)
Debug.WriteLine(name);
}
Output: Descending ordered list of names: Susan Ned Ben
Private Shared Sub Sample_OrderByDescending_Lambda()
Dim names As String() = {"Ned", "Ben", "Susan"}
Dim result = names.OrderByDescending(Function(n) n)
Debug.WriteLine("Descending ordered list of names:")
For Each name As String In result
Debug.WriteLine(name)
Next
End Sub
Output: Descending ordered list of names: Susan Ned Ben
let Sample_OrderByDescending_Lambda() =
let names = [|"Ned"; "Ben"; "Susan"|]
let result = names.OrderByDescending(fun n -> n);
Debug.WriteLine(sprintf "Descending ordered list of names:")
for name in result do
Debug.WriteLine(sprintf "%s" name)
Output: Descending ordered list of names: Susan Ned Ben