可能重复：   What是的String.Empty和＆ldquo之间的差异;＆rdquo;的

是，等同于的String.Empty ？

这是pferred初始化字符串值$ P $？

 公共密封类字符串{
    // ...
    公共静态只读字符串空=;
    // ...
}
 

使用空当你要重新present没有价值;

使用的String.Empty 当你要重新present，有一个值，但该值是一个空字符串。

Possible Duplicate: What is the difference between String.Empty and “”

Is "" equivalent to String.Empty?

Which is preferred for initializing string values?

public sealed class String {
    //...
    public static readonly String Empty = "";
    //...
}

Use null when you want to represent that there is no value;

Use String.Empty when you want to represent that there is a value, but the value is a blank string.