String.Empty versus “” [duplicate]

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It’s not different.

http://msdn.microsoft.com/en-us/library/system.string.empty.aspx:

The value of this field is the zero-length string, “”.

In application code, this field is most commonly used in assignments to initialize a string variable to an empty string. To test whether the value of a string is either null or String.Empty, use the IsNullOrEmpty method.

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