blocks|key|2944361|text|System.Tuple怎么样？|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2944362|entityMap|0|LINK|mutability|MUTABLE|url|http://msdn.microsoft.com/en-us/library/system.tuple.aspx^0|0|C|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

How about <a href="http://msdn.microsoft.com/en-us/library/system.tuple.aspx" rel="noreferrer">System.Tuple</a>?

blocks|key|259438|text|那Tuple<string,string>呢？它内置于.net+4.0中，而且是轻量级的。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|259439|entityMap^0|1|K|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

what about <code>Tuple&lt;string,string&gt;</code>? It's build into .net 4.0 and it's lightweight.

blocks|key|3158430|text|如果您的“字段名”是唯一的，则可以使用通用Dictionary<string,+string>。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3158431|否则，如果您不介意重复键，则可以使用Lookup类。|3158432|我不会太担心你是否使用了这些类的全部功能。我认为更重要的问题应该是编写简单、易于阅读和维护的代码。|3158433|entityMap|0|LINK|mutability|MUTABLE|url|http://msdn.microsoft.com/en-us/library/bb460184.aspx^0|L|Q|0|I|6|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@$9|S|A|T|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|U|8|@]|D|@$9|V|A|W|1|X]]|E|$]]|$1|H|3|I|5|6|7|Y|8|@]|D|@]|E|$]]|$1|J|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|K|$L|$5|M|N|O|E|$P|Q]]]]

You can use the generic <code>Dictionary&lt;string, string&gt;</code> if your "Field Names" are unique.

Otherwise you could use the <a href="http://msdn.microsoft.com/en-us/library/bb460184.aspx" rel="noreferrer">Lookup</a> class if you don't mind duplicate keys.

I wouldn't worry too much about whether you use the full functionality of those classes or not. I think the more important concern should be to write simple, easy to read &amp; maintain code.

blocks|key|260624|text|.NET的“配对”泛型类是Tuple。您可以像这样使用它：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|260625|var+strings=new+List<Tuple<string,+string>>();
strings.Add(Tuple.Create("REFERENCE",+"Ref"));|code-block|syntax|javascript|260626|如果最左边的字符串是唯一的(即键)，那么字典就是一个完全可以接受的替代品。否则你会得到错误。|260627|至于是使用内置集合还是创建一个实际的对象更好，这取决于您的需要(您稍后会添加更多列吗？你不能用字典的方法做到这一点)，你使用它的频率(如果它是一个核心类型，你可能应该为它建立一个域模型)等等。|260628|编辑：不使用任何字典内置功能，这不是真的:您正在使用它的二进制搜索算法和内部树结构来进行闪电般的查找。Tuple或您自己的类型的列表很可能不会有这个，它将恢复为线性搜索。|BOLD|260629|entityMap|0|LINK|mutability|MUTABLE|url|http://msdn.microsoft.com/en-us/library/system.tuple.aspx^0|D|5|D|5|0|0|0|0|0|0|3|1F|5|0^^$0|@$1|2|3|4|5|6|7|Z|8|@$9|10|A|11|B|C]]|D|@$9|12|A|13|1|14]]|E|$]]|$1|F|3|G|5|H|7|15|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|16|8|@]|D|@]|E|$]]|$1|M|3|N|5|6|7|17|8|@]|D|@]|E|$]]|$1|O|3|P|5|6|7|18|8|@$9|19|A|1A|B|Q]|$9|1B|A|1C|B|C]]|D|@]|E|$]]|$1|R|3|-4|5|6|7|1D|8|@]|D|@]|E|$]]]|S|$T|$5|U|V|W|E|$X|Y]]]]

The "pair" generic class for .NET is <a href="http://msdn.microsoft.com/en-us/library/system.tuple.aspx"><code>Tuple</code></a>. You would use it like:

<pre><code>var strings=new List&lt;Tuple&lt;string, string&gt;&gt;();
strings.Add(Tuple.Create("REFERENCE", "Ref"));
</code></pre>

A dictionary is a perfectly acceptable substitute if the left-most string is unique (ie a key). You'll get errors otherwise.

As to whether it's better to use the built-in collections or create an actual object, depends on your needs (will you be adding more columns later on? you can't do that with a dictionary approach), how often you use it (if it's a core type, you should probably make a domain model for it) etc.

Edit: As to not using any dictionary built-in functionality, that's not true: you're using its binary search algorithm and internal tree construction for lightning-fast look-ups. A list of either <code>Tuple</code> or your own type most likely won't have this and it will revert to a linear search.

blocks|key|3158556|text|对于字符串对，也可以使用NameValueCollection|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3158557|entityMap|0|LINK|mutability|MUTABLE|url|https://msdn.microsoft.com/en-us/library/system.collections.specialized.namevaluecollection(v=vs.110).aspx^0|C|J|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

For pairs of strings alternatively use <a href="https://msdn.microsoft.com/en-us/library/system.collections.specialized.namevaluecollection(v=vs.110).aspx" rel="nofollow">NameValueCollection</a>

blocks|key|257579|text|在我看来，使用自定义结构来存储两个字符串会更好，因为：System.Collections.Generic.Dictionary和System.Collections.Specialized.NameValueCollection需要Add方法来向其中添加字符串-这是额外的代码行。类System.Tuple只有ReadOnly属性-这可能是一个障碍。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|257580|简单结构示例：|257581|public+struct+DoppelWert
{
+public+string+Wert1;+
+public+string+Wert2;
}|code-block|syntax|javascript|257582|entityMap^0|R|11|1T|1E|39|3|3Y|C|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]|$9|R|A|S|B|C]|$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|X|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|Y|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|N|$]]

In my opinion, it is better to use a custom structure for storing two strings, because: <code>System.Collections.Generic.Dictionary</code> and <code>System.Collections.Specialized.NameValueCollection</code> require the method <code>Add</code> to add strings into them – it's additional lines of code.
The class <code>System.Tuple</code> has only ReadOnly properties – this can be an obstacle.

Example of simple structure:

<pre><code>public struct DoppelWert
{
 public string Wert1; 
 public string Wert2;
}
</code></pre>

blocks|key|3158605|text|奇怪的是，没有人提到KeyValuePair？https://msdn.microsoft.com/en-us/library/5tbh8a42(v=vs.110).aspx|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3158606|请注意，如果您关心性能，请查看此比较http://www.dotnetperls.com/keyvaluepair|3158607|entityMap|0|LINK|mutability|MUTABLE|url|https://msdn.microsoft.com/en-us/library/5tbh8a42(v=vs.110).aspx|1|http://www.dotnetperls.com/keyvaluepair^0|N|1S|0|0|I|13|1|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]]|C|$]]|$1|D|3|E|5|6|7|T|8|@]|9|@$A|U|B|V|1|W]]|C|$]]|$1|F|3|-4|5|6|7|X|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]]]

Surprised, no one mentioned KeyValuePair? <a href="https://msdn.microsoft.com/en-us/library/5tbh8a42(v=vs.110).aspx" rel="nofollow">https://msdn.microsoft.com/en-us/library/5tbh8a42(v=vs.110).aspx</a>

Please note that if you are concerned about performance please have a look at this comparison <a href="http://www.dotnetperls.com/keyvaluepair" rel="nofollow">http://www.dotnetperls.com/keyvaluepair</a>

Don't know whether I'm having a &quot;thick day&quot; - but I just wondered what is the best route here.
Context:
I have a list of fields and I want to store alias names with them (I'm using .NET 2.0 BTW) e.g.
<img src="https://i.stack.imgur.com/9CnBx.png" alt="enter image description here" />
So its essentially a pair of strings:
<blockquote>
REFERENCE, Ref
COMMUNITY, Community
POST_CODE, Zip Code
</blockquote>
... and I'm thinking it seems overboard all the time to keep creating objects for things like this, so should I create a StringDictionary and store the values that way, even though I would not use any of the functionality of the StringDictionary class and I'm not bothered about a key value pair association etc - I just want to keep a pair of strings essentially.
Any help/pointers would be great.

What is the best way to store pairs of strings, make an object or use a class in .NET?

我不知道我是不是有一个“密集的一天”-但我只是想知道在这里最好的路线是什么。上下文：我有一个字段列表，我想用它们存储别名(我使用的是.NET 2.0BTW)，例如​​所以它本质上是一对字符串：参考，参考社区，社区POST_CODE，邮政编码..。我在想，一直在为这样的事情创建对象似乎有点过分，所以我应该创建一个Stri...

问在.NET中存储字符串对、创建对象或使用类的最佳方式是什么？
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