Feature.IsValueNull

Feature.IsValueNull method

Determines whether the specified attribute has been explicitly set to null value.

public bool IsValueNull(string attributeName)
ParameterTypeDescription
attributeNameStringName of the attribute.

Return Value

true if the attribute value is null; otherwise, false.

Exceptions

exceptioncondition
InvalidOperationExceptionThe attribute is not locked.
ArgumentExceptionThe attribute with this name does not exist in this layer.
ArgumentNullExceptionThe attribute name is null.

See Also