This documentation is archived and is not being maintained.

Nullable.HasValue Property

Gets a value indicating whether the current Nullable object has a value.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

property bool HasValue {
	bool get ();
/** @property */
public boolean get_HasValue ()

public function get HasValue () : boolean

Not applicable.

Property Value

true if the current Nullable object has a value; false if the current Nullable object has no value.

If the HasValue property is true, the value of the current Nullable object can be accessed with the Value property.

The following code example returns the value of a Nullable object if that object has a defined value; otherwise, a default value is returned.

No code example is currently available or this language may not be supported.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

.NET Compact Framework

Supported in: 2.0

XNA Framework

Supported in: 1.0