C# 按升序排列 List<>

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时间:2020-08-10 12:33:00  来源:igfitidea点击:

Arrange List<> in ascending order

c#linq

提问by Murtaza Munshi

I have a list whose type is string which i want to arrange in ascending order

我有一个类型为字符串的列表,我想按升序排列

listCustomFields = new List<String>() { "FirstName", "MiddleName", "Class" };

采纳答案by Amit Bisht

use this

用这个

listCustomFields.sort();

回答by MarcinJuraszek

You can use LINQ OrderBymethod (it will generate new List<string>with items sorted):

您可以使用 LINQOrderBy方法(它将生成新的List<string>排序项目):

var ordered = listCustomField.OrderBy(x => x).ToList();

or List<T>.Sortmethod (it will sort the list in place):

List<T>.Sort方法(它将对列表进行排序):

listCustomField.Sort();

回答by Soner G?nül

You can use OrderBylike;

你可以使用OrderBy喜欢;

Sorts the elements of a sequence in ascending order.

按升序对序列的元素进行排序。

listCustomFields = listCustomFields.OrderBy(n => n).ToList();

As an alternative, you can use List<T>.SortMethodalso.

作为替代方案,您也可以使用List<T>.SortMethod

List<String> listCustomFields = new List<String>() { "FirstName", "MiddleName", "Class" };
listCustomFields = listCustomFields.OrderBy(n => n).ToList();

foreach (var item in listCustomFields)
{
   Console.WriteLine(item);
}

Output will be;

输出将是;

Class
FirstName
MiddleName

Here a DEMO.

这里有一个演示

回答by dasblinkenlight

You do not need LINQ for that: rather than creating a sorted copy, you can sort your list in place by calling Sort()method on it:

为此,您不需要 LINQ:您可以通过调用Sort()方法对列表进行排序,而不是创建已排序的副本:

listCustomFields.Sort();

The order is implicitly ascending. If you need to change that, supply a custom comparer.

顺序是隐式升序。如果您需要更改它,请提供自定义比较器。