DBNull.IConvertible.ToDouble(IFormatProvider) Method

Definition

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

double IConvertible.ToDouble (IFormatProvider provider);

Parameters

provider
IFormatProvider

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

Returns

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

Implements

Exceptions

This conversion is not supported for the DBNull type.

Applies to

Produit Versions
.NET Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.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

See also