String.Empty Field
.NET Framework 4.5
Represents the empty string. This field is read-only.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
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.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.