DBNull.IConvertible.ToUInt64(IFormatProvider) Method
Definition
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.
Important
This API is not CLS-compliant.
This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
virtual System::UInt64 System.IConvertible.ToUInt64(IFormatProvider ^ provider) = IConvertible::ToUInt64;
ulong IConvertible.ToUInt64 (IFormatProvider provider);
[System.CLSCompliant(false)]
ulong IConvertible.ToUInt64 (IFormatProvider provider);
abstract member System.IConvertible.ToUInt64 : IFormatProvider -> uint64
override this.System.IConvertible.ToUInt64 : IFormatProvider -> uint64
[<System.CLSCompliant(false)>]
abstract member System.IConvertible.ToUInt64 : IFormatProvider -> uint64
override this.System.IConvertible.ToUInt64 : IFormatProvider -> uint64
Function ToUInt64 (provider As IFormatProvider) As ULong Implements IConvertible.ToUInt64
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
- Attributes
Exceptions
This conversion is not supported for the DBNull type.
Applies to
See also
ทํางานร่วมกับเราใน GitHub
แหล่งที่มาสำหรับเนื้อหานี้สามารถพบได้บน GitHub ซึ่งคุณยังสามารถสร้างและตรวจสอบปัญหาและคำขอดึงข้อมูลได้ สำหรับข้อมูลเพิ่มเติม ให้ดูคู่มือผู้สนับสนุนของเรา