Enum Nullable
public enum NullableFields
- [OriginalName("NULLABILITY_NO_NULLS")] NullabilityNoNulls = 0
- Indicates that the fields does not allow the use of null values. 
- [OriginalName("NULLABILITY_NULLABLE")] NullabilityNullable = 1
- Indicates that the fields allow the use of null values. 
- [OriginalName("NULLABILITY_UNKNOWN")] NullabilityUnknown = 2
- Indicates that nullability of the fields cannot be determined.