How do you sort a list based on property?

Use the OrderBy Method to Sort a List by a Property in the Object in C. We will use the built-in function OrderBy to sort a list by a property in the object. It is LINQ’s method. This method creates a new list sorted by the given property.

Is list in C# ordered?

5 Answers. The List<> class does guarantee ordering – things will be retained in the list in the order you add them, including duplicates, unless you explicitly sort the list. List “Represents a strongly typed list of objects that can be accessed by index.” The index values must remain reliable for this to be accurate.

How do you sort a class list in C#?

C# List Sort method

1. Sort(Comparison) – Sorts the elements in the entire List using the specified Comparison.
2. Sort(Int32, Int32, IComparer) – Sorts the elements in a range of elements in List using the specified comparer.
3. Sort() – Sorts the elements in the entire List using the default comparer.

How do you sort a list of strings alphabetically in C#?

You can use LINQ to create a new list which contains the original values but sorted: var sortedList = list. OrderBy(x => x). ToList();

Is List order guaranteed?

Yes, List guarantees both insertion order and retrieval order and this is documented on MSDN (emphasis below is mine).

How do you reverse a List in C#?

Reverse a list in C#

1. Using Enumerable. Reverse() method.
2. Using List. Reverse() method.
3. Using List. RemoveAt() method.
4. Using Recursion. The following code example demonstrates how to use recursion to in-place reverse a list.
5. Naive Solution. We can also write our own custom routine to reverse the list in-place.

How do I sort a list in C#?

List. Sort() Method is used to sort the elements or a portion of the elements in the List using either the specified or default IComparer implementation or a provided Comparison delegate to compare list elements. There are total 4 methods in the overload list of this method as follows: Sort(IComparer)

How do I sort a list of objects alphabetically in C#?

C# has a built-in Sort() method that performs in-place sorting to sort a list of objects….Sort a list of objects in C#

1. Using Comparison Delegate. A comparison delegate is used to provide order on objects that don’t have a natural ordering.
2. Implement IComparer
3. Implement IComparable
4. Using LINQ OrderBy() method.

How do you sort collections in C#?

Sort(IComparer) This method is used to sort the elements in the entire ArrayList using the specified comparer. This method is an O(n log n) operation, where n is Count; in the worst case, it is an O(n^2) operation. Syntax: public virtual void Sort (IComparer comparer);