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MetaAccessor.HasValue Method

Specifies whether the instance has a loaded or assigned value.

Namespace:  System.Data.Linq.Mapping
Assembly:  System.Data.Linq (in System.Data.Linq.dll)

public virtual bool HasValue(
	Object instance
)

Parameters

instance
Type: System.Object

The instance being looked at.

Return Value

Type: System.Boolean
true if the instance currently has a loaded or assigned value; otherwise, false.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, 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.

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