DBNull.IConvertible.ToByte(IFormatProvider) Method

Reference

Definition

Namespace:: System

Assemblies:: netstandard.dll, System.Runtime.dll

Assembly:: System.Runtime.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: DBNull.cs

Source:: DBNull.cs

Source:: DBNull.cs

Important

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This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.

 virtual System::Byte System.IConvertible.ToByte(IFormatProvider ^ provider) = IConvertible::ToByte;

byte IConvertible.ToByte(IFormatProvider provider);

abstract member System.IConvertible.ToByte : IFormatProvider -> byte
override this.System.IConvertible.ToByte : IFormatProvider -> byte

Function ToByte (provider As IFormatProvider) As Byte Implements IConvertible.ToByte

Parameters

provider: IFormatProvider

An object that implements the IFormatProvider interface. (This parameter is not used; specify null.)

Returns

Byte

None. The return value for this member is not used.

Implements

ToByte(IFormatProvider)

Exceptions

InvalidCastException

This conversion is not supported for the DBNull type.

Applies to

製品	バージョン
.NET	Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0, 2.1

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