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DBNull.IConvertible.ToType Method

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

Converts the current DBNull object to the specified type.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)
Object IConvertible.ToType(
	Type type,
	IFormatProvider provider
)

Parameters

type
Type: System.Type

The type to convert the current DBNull object to.

provider
Type: System.IFormatProvider

An object that implements the IFormatProvider interface and is used to augment the conversion. If null is specified, format information is obtained from the current culture.

Return Value

Type: System.Object
The boxed equivalent of the current DBNull object, if that conversion is supported; otherwise, an exception is thrown and no value is returned.

Implements

IConvertible.ToType(Type, IFormatProvider)
ExceptionCondition
InvalidCastException

This conversion is not supported for the DBNull type.

ArgumentNullException

type is null.

Three conversions are supported: If the type parameter specifies Object or DBNull, the return value is the current DBNull object itself. If the type parameter specifies String, the return value is the string returned by the ToString method.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, 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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