DBNull.IConvertible.ToDouble(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.

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

 virtual double System.IConvertible.ToDouble(IFormatProvider ^ provider) = IConvertible::ToDouble;

double IConvertible.ToDouble (IFormatProvider provider);

abstract member System.IConvertible.ToDouble : IFormatProvider -> double
override this.System.IConvertible.ToDouble : IFormatProvider -> double

Function ToDouble (provider As IFormatProvider) As Double Implements IConvertible.ToDouble

Parameters

provider: IFormatProvider

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

Returns

Double

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

Implements

ToDouble(IFormatProvider)

Exceptions

InvalidCastException

This conversion is not supported for the DBNull type.

Applies to