DBNull.IConvertible.ToType(Type, IFormatProvider) Method

Reference

Definition

Namespace:: System

Assembly:: System.Runtime.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: DBNull.cs

Source:: DBNull.cs

Source:: DBNull.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Converts the current DBNull object to the specified type.

 virtual System::Object ^ System.IConvertible.ToType(Type ^ type, IFormatProvider ^ provider) = IConvertible::ToType;

object IConvertible.ToType (Type type, IFormatProvider provider);

abstract member System.IConvertible.ToType : Type * IFormatProvider -> obj
override this.System.IConvertible.ToType : Type * IFormatProvider -> obj

Function ToType (type As Type, provider As IFormatProvider) As Object Implements IConvertible.ToType

Parameters

type: Type

The type to convert the current DBNull object to.

provider: 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.

Returns

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

ToType(Type, IFormatProvider)

Exceptions

InvalidCastException

This conversion is not supported for the DBNull type.

ArgumentNullException

type is null.

Remarks

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.

Applies to

Udostępnij za pośrednictwem