DBNull.IConvertible.ToInt64(IFormatProvider) Method

Definition

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

long IConvertible.ToInt64 (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

제품 버전
.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