DatabaseCollection 类

The DatabaseCollection class represents a collection of Database objects that represent all the databases defined on the instance of SQL Server.

命名空间:  Microsoft.SqlServer.Management.Smo
程序集:  Microsoft.SqlServer.Smo(在 Microsoft.SqlServer.Smo.dll 中)

语法

声明
Public NotInheritable Class DatabaseCollection _
    Inherits SimpleObjectCollectionBase
用法
Dim instance As DatabaseCollection
public sealed class DatabaseCollection : SimpleObjectCollectionBase
public ref class DatabaseCollection sealed : public SimpleObjectCollectionBase
[<SealedAttribute>]
type DatabaseCollection =  
    class
        inherit SimpleObjectCollectionBase
    end
public final class DatabaseCollection extends SimpleObjectCollectionBase

DatabaseCollection 类型公开以下成员。

属性

  名称 说明
公共属性 Count Gets the number of objects in the referenced collection. (从 SmoCollectionBase 继承。)
公共属性 IsSynchronized Gets the Boolean property value that specifies whether access to the collection is synchronized and therefore thread-safe. (从 SmoCollectionBase 继承。)
公共属性 Item[ ( [ ( Int32] ) ] ) Gets a Database object in the collection by index number.
公共属性 Item[ ( [ ( String] ) ] ) Gets a Database object in the collection by name.
公共属性 Parent Gets the Server object that is the parent of the Database object.
公共属性 SyncRoot Gets an object that can be used to synchronize access to the collection. (从 SmoCollectionBase 继承。)

页首

方法

  名称 说明
公共方法 Add Adds an database object to the collection.
受保护方法 AddExisting Adds an object to the collection. (从 AbstractCollectionBase 继承。)
受保护方法 AddImpl Adds the specified object to this collection (从 SortedListCollectionBase 继承。)
公共方法 Contains Verifies whether the specified object exists in the collection. (从 SimpleObjectCollectionBase 继承。)
公共方法 CopyTo Copies the collection objects to a one-dimensional array beginning at the index value specified.
公共方法 Equals (从 Object 继承。)
受保护方法 Finalize (从 Object 继承。)
受保护方法 GetCollectionElementType Gets the Collection Element Type. (从 SmoCollectionBase 继承。)
公共方法 GetEnumerator Returns an IEnumerator interface that allows you to iterate through the objects in the collection. (从 SmoCollectionBase 继承。)
公共方法 GetHashCode (从 Object 继承。)
受保护方法 GetItemById(Int32) Extracts a member from the referenced collection using a system-defined, unique identifier. (从 SmoCollectionBase 继承。)
受保护方法 GetItemById(Int32, String) Extracts a member from the referenced collection using a system-defined, unique identifier and name. (从 SmoCollectionBase 继承。)
受保护方法 GetObjectByIndex Extracts a member from the referenced collection using a system-defined, unique identifier. (从 SmoCollectionBase 继承。)
公共方法 GetType (从 Object 继承。)
受保护方法 ImplAddExisting Adds an existing specified object to this collection (从 SortedListCollectionBase 继承。)
受保护方法 InitializeChildCollection() () () () Initializes the child collections of the referenced collection. (从 SmoCollectionBase 继承。)
受保护方法 InitializeChildCollection(Boolean) Initializes the child collections of the referenced collection with the option to refresh the properties of the referenced collection. (从 SmoCollectionBase 继承。)
受保护方法 InitInnerCollection Initializes the collection. (从 SimpleObjectCollectionBase 继承。)
公共方法 ItemById Extracts a member from the DatabaseCollection collection using a system-defined, unique identifier.
受保护方法 MemberwiseClone (从 Object 继承。)
公共方法 Refresh() () () () Refreshes the referenced collection. (从 SmoCollectionBase 继承。)
公共方法 Refresh(Boolean) Refreshes the referenced collection with the option to refresh child objects of the referenced collection. (从 SmoCollectionBase 继承。)
公共方法 ToString (从 Object 继承。)
受保护方法 ValidateParentObject Validates the parent object exists. (从 SmoCollectionBase 继承。)

页首

字段

  名称 说明
受保护字段 initialized This value supports the SMO infrastructure and is not intended to be used directly from your code. (从 AbstractCollectionBase 继承。)

页首

显式接口实现

  名称 说明
显式接口实现私有方法 ICollection. . :: . .CopyTo Copies the elements from an instance to an array beginning at the index indicated. (从 SmoCollectionBase 继承。)

页首

注释

A DatabaseCollection object can be used to gain access to a set of databases. You can use the Item property to return a specific Database object.

Thread Safety

此类型的任何公共静态(Microsoft Visual Basic 中的 Shared)成员在多线程操作中是安全的。不保证所有实例成员都是线程安全的。

示例

使用集合

线程安全

此类型的任何公共 static(在 Visual Basic 中为 Shared) 成员都是线程安全的。不保证所有实例成员都是线程安全的。