Throws an InvalidCastException. Called by the ToType method.
[Visual Basic] Overridable Public Function ToUInt64() As UInt64 [C#] public virtual ulong ToUInt64(); [C++] public: virtual unsigned __int64 ToUInt64(); [JScript] public function ToUInt64() : UInt64;
None, but the return value is typed ulong to implement the IConvertible interface.
Exception Type | Condition |
---|---|
InvalidCastException | (Always thrown.) |
If the ToType type is a ulong this method is called. This method throws an InvalidCastException().
DBNull Class | DBNull Members | System Namespace | ToType | IConvertible | Type | UInt64