/// <summary> /// Determines whether a default value definition is a null value. /// </summary> /// <param name="defaultValue">A column's default value.</param> /// <returns><c>true</c> if the provided default value is a null value; otherwise, <c>false</c>.</returns> protected static bool IsNullDefaultValue(string defaultValue) { return(!defaultValue.IsNullOrWhiteSpace() && NullValues.Contains(defaultValue)); }