In .NET, which is best, mystring.Length == 0 or mystring == string.Empty?

Question

Possible Duplicate: Checking for string contents? string Length Vs Empty String In .NET, which is best, ``` if (mystring.Length == 0) ``` or ``` if (mystring == string.Empty) ``` It seems that these would have the same effect, but which would be best behind the scenes?

Accepted Answer

I prefer

```
String.IsNullOrEmpty(myString)
```

Just in case it contains a null value.

In .NET, which is best, mystring.Length == 0 or mystring == string.Empty?

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