使用LINQ排序字符串数组 [英] sort string array using LINQ

问题描述

我有一个字符串数组声明如下

I has a string array declare as below

string[][] data = new string[3][];
string[] name = new string[10];
string[] contact = new string[10];
string[] address = new string[10];

我填的数据名称，地址和联系方式后，该地址可以在一些数据空字符串。从那以后，我把它分配给字符串数组数据。

After i fill the data to name, address and contact, the address can be empty string in some data. After that I assign it to string array data.

data[0] = name;
data[1] = contact;
data[2] = address

我怎么可以按名称使用LINQ字符串数组排序。我试着
    。数据= data.orderby（Y => Y [0]）ToArray的（）;

How I can sort the string array by name using LINQ. I try data = data.orderby(y => y[0]).ToArray();

但这种将改变字符串数组的顺序。假设数据[0]是商店的名字，但它的排序成为存储地址之后。结果
任何一个有想法，我怎么可以排序的记录？请帮助

but this sort will change the sequence of the string array. Suppose data[0] is store name but after sorting it become store address.
Any one has idea how can I sort the record? Please help

推荐答案

您可以使用此名称数组进行排序（存储在数据[0] ）：

You can use this to sort the name array (which is stored at data[0]):

data[0] = data[0].OrderBy(x => x).ToArray();

然而，这将导致存储在其他阵列中的数据，以松名数组任何有意义的相关性（如名称[3] 很可能不会匹配接触[3] ）。为了避免这种情况，
我强烈建议使用一个类来存储这些信息：

However, this will cause the data stored in the other arrays to loose any meaningful correlation to the name array (e.g. name[3] most likely will not match up with contact[3]). To avoid this, I'd strongly recommend using a class to store this information:

class MyClass // TODO: come up with a better name
{
    public string Name { get; set; }
    public string Contact { get; set; }
    public string Address { get; set; }
}

要声明数组，使用：

MyClass[] data = new MyClass[10];
data[0] = new MyClass   // Populate first record
{
    Name = "...",
    Contact = "...",
    Address = "...",
};

和对数组进行排序：

data = data.OrderBy(x => x.Name).ToArray();

或者这样：

Array.Sort(data, (x, y) => x.Name.CompareTo(y.Name));

第二个选择是因为它重新排列代替元件更有效，并且不需要分配一个新的数组来存储结果。

The second option is more efficient as it rearranges the elements in place, and doesn't require allocating a new array to store the results.

或者，使用 列表＆LT; T＆GT; ：

Or alternatively, use a List<T>:

List<MyClass> data = new List<MyClass>(10);
data.Add(new MyClass   // Populate first record
{
    Name = "...",
    Contact = "...",
    Address = "...",
});

和对列表进行排序：

data.Sort((x, y) => x.Name.CompareTo(y.Name));

这将有类似表现的的Array.Sort 的方法，但是，它是一个更好的选择，如果你需要能够从你的列表中添加或删除元素动态。

This will have similar performance to the Array.Sort method, however, it is a much better option if you need to be able to add or remove elements from your list dynamically.

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