null, empty string or string that only contains spaces.
Syntax
C#
Parameters
- source
- String.
Return Value
true if the specified string is null, empty or only contains spaces; else – false.Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2