Question

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

Is "" equivalent to String.Empty?

Which is preferred for initializing string values?

Answer 1

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.