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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.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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