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GrapeCity.Enterprise.Data.Expressions.Evaluation.Variant.op_LogicalNot

operator ! Operator

operator !(Variant)

Performs a logical negation on a Variant value if it is of boolean type, or a bitwise negation if it is of a numeric type.

Declaration
public static Variant operator !(Variant v)
Parameters
Type Name Description
Variant v

Variant to be inverted.
Returns
Type Description
Variant

Variant.True if the given variant is False, False otherwise for boolean variant type . Bitwise 'not' for numeric variants (int, long, ulong, float, double, decimal) and for string which can be parsed as numeric. Returns 'Error' if the given variant is of a non-numeric, non-boolean type that does not support negation, such as TimeSpan, Date, or Object.