NGWS SDK Documentation  

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DBNull.ToDouble

Throws an InvalidCastException. Called by the ToType method.

[Visual Basic]
Overridable Public Function ToDouble() As Double
[C#]
public virtual double ToDouble();
[C++]
public: virtual double ToDouble();
[JScript]
public function ToDouble() : double;

Return Value

None, but the return value is typed double to implement the IConvertible interface.

Exceptions

Exception Type Condition
InvalidCastException (Always thrown.)

Remarks

If the ToType type is a double this method is called. This method throws an InvalidCastException().

See Also

DBNull Class | DBNull Members | System Namespace | ToType | IConvertible | Type | Double