Using==
与 相同.Equals(..)
,因为它只是调用该方法。string.comparison
您可以使用传递枚举的 Equal() 重载来强制使用区分大小写的比较
CurrentCulture Compare strings using culture-sensitive sort rules and the current culture.
CurrentCultureIgnoreCase Compare strings using culture-sensitive sort rules, the current culture, and ignoring the case of the strings being compared.
InvariantCulture Compare strings using culture-sensitive sort rules and the invariant culture.
InvariantCultureIgnoreCase Compare strings using culture-sensitive sort rules, the invariant culture, and ignoring the case of the strings being compared.
Ordinal Compare strings using ordinal sort rules.
OrdinalIgnoreCase Compare strings using ordinal sort rules and ignoring the case of the strings being compared.
更多信息:
http://msdn.microsoft.com/en-us/library/system.stringcomparison.aspx