Single-valued navigation properties represent lookup fields where a single entity can be referenced. Each single-valued navigation property has a corresponding partner collection-valued navigation property on the related entity.展开表 NameTypePartner objectid_account account account_principalobjectat...
The SledDog.Malamute and WorkDog.Newfoundland members have the same underlying value, although they represent different enumeration types. A call to the Equals method indicates that these values are not equal. C# 複製 執行 using System; public enum SledDog { Unknown=0, AlaskanMalamute=1, ...
CheckObjectState(Boolean)Validates the state of the referenced object with the option to specify that an exception is thrown if the object is not yet created. (从SqlSmoObject继承。) CheckObjectStateImpl(从SqlSmoObject继承。) CheckTextCorectness(从ScriptNameObjectBase继承。) ...
The visibility of the method does not matter.@AerospikeKey public String getKey() { return this.keyPart1 + ":" + this.keyPart2; }Note that it is not required to have a key on an object annotated with @AerospikeRecord. This is because an object can be embedded in another object (as...
Serializes and deserializes object graphs that represent the state of an object. This class cannot be inherited. C# Copy public sealed class ObjectStateFormatter : System.Runtime.Serialization.IFormatter Inheritance Object ObjectStateFormatter Implements IFormatter IStateFormatter Examples The following ...
Properties Gets a collection of Property objects that represent the object properties. (繼承自 SqlSmoObject。) ScalarResult Gets the scalar result for the referenced object. (繼承自 SqlSmoObject。) State Gets the state of the referenced object. (繼承自 SmoObjectBase。) Urn Gets the Uniform Reso...
Representa una colección de datos dinámica que proporciona notificaciones cuando se agregan o quitan elementos, o cuando se actualiza toda la lista. C#Copiar publicclassObservableCollection<T> :System.Collections.ObjectModel.Collection<T>,System.Collections.Specialized.INotifyCollectionChanged,System.Componen...
But I have not yet described how object types in general really work. As I mentioned in Chapter 1, Swift object types come in three flavors: enum, struct, and class. What are the differences between them? And how would you create your own object type? That’s what this chapter is ...
Does not require invoking any per class code. Requires only stream access to the data.6.2 Stream ElementsA basic structure is needed to represent objects in a stream. Each attribute of the object needs to be represented: its classes, its fields, and data written and later read by class-...
card_error Card errors are the most common type of error you should expect to handle. They result when the user enters a card that can’t be charged for some reason. idempotency_error Idempotency errors occur when an Idempotency-Key is re-used on a request that does not match the first ...