Export (0) Print
Expand All

DBNull.IConvertible.ToInt64 Method

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

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

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

long IConvertible.ToInt64(
	IFormatProvider provider
)

Parameters

provider
Type: System.IFormatProvider

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

Return Value

Type: System.Int64
None. The return value for this member is not used.

Implements

IConvertible.ToInt64(IFormatProvider)

ExceptionCondition
InvalidCastException

This conversion is not supported for the DBNull type.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
Show:
© 2015 Microsoft