Why use string.Empty over "" when assigning to a string object

Posted by dreza on Programmers See other posts from Programmers or by dreza
Published on 2012-03-19T20:19:06Z Indexed on 2012/03/19 23:38 UTC
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I've been running StyleCop over my code and one of the recommendations SA1122 is to use string.Empty rather than "" when assigning an empty string to a value.

My question is why is this considered best practice. Or, is this considered best practice? I assume there is no compiler difference between the two statements so I can only think that it's a readability thing?

UPDATE: Thanks for the answers but it's been kindly pointed out this question has been asked many times already on SO, which in hind-sight I should have considered and searched first before asking here. Some of these especially forward links makes for interesting reading.

SO question and answer

Jon Skeet answer to question

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