The ForeignKeyColumn object represents a SQL Server foreign key column.
继承层次结构
System.Object
Microsoft.SqlServer.Management.Smo.SmoObjectBase
Microsoft.SqlServer.Management.Smo.SqlSmoObject
Microsoft.SqlServer.Management.Smo.NamedSmoObject
Microsoft.SqlServer.Management.Smo.ForeignKeyColumn
命名空间: Microsoft.SqlServer.Management.Smo
程序集: Microsoft.SqlServer.Smo(在 Microsoft.SqlServer.Smo.dll 中)
语法
声明
<SfcElementTypeAttribute("Column")> _
Public NotInheritable Class ForeignKeyColumn _
Inherits NamedSmoObject _
Implements ISfcSupportsDesignMode
用法
Dim instance As ForeignKeyColumn
[SfcElementTypeAttribute("Column")]
public sealed class ForeignKeyColumn : NamedSmoObject,
ISfcSupportsDesignMode
[SfcElementTypeAttribute(L"Column")]
public ref class ForeignKeyColumn sealed : public NamedSmoObject,
ISfcSupportsDesignMode
[<SealedAttribute>]
[<SfcElementTypeAttribute("Column")>]
type ForeignKeyColumn =
class
inherit NamedSmoObject
interface ISfcSupportsDesignMode
end
public final class ForeignKeyColumn extends NamedSmoObject implements ISfcSupportsDesignMode
ForeignKeyColumn 类型公开以下成员。
构造函数
| 名称 | 说明 | |
|---|---|---|
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ForeignKeyColumn() | Initializes a new instance of the ForeignKeyColumn class. |
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ForeignKeyColumn(ForeignKey, String) | Initializes a new instance of the ForeignKeyColumn class based on the specified foreign key with the specified name. |
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ForeignKeyColumn(ForeignKey, String, String) | Initializes a new instance of the ForeignKeyColumn class based on the specified foreign key with the specified name, which references the specified column. |
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属性
| 名称 | 说明 | |
|---|---|---|
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ID | Gets the foreign key column ID value. |
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Name | Gets or sets a String value that specifies the name of the foreign key column. (覆盖 NamedSmoObject.Name。) |
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Parent | Gets the ForeignKey object that is the parent of the ForeignKeyColumn object. |
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Properties | Gets a collection of Property objects that represent the object properties. (从 SqlSmoObject 继承。) |
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ReferencedColumn | Gets or sets the referenced column. |
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State | Gets the state of the referenced object. (从 SmoObjectBase 继承。) |
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Urn | Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (从 SqlSmoObject 继承。) |
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UserData | Gets or sets user-defined data associated with the referenced object. (从 SmoObjectBase 继承。) |
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方法
| 名称 | 说明 | |
|---|---|---|
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Discover | Discovers a list of type Object. (从 SqlSmoObject 继承。) |
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Equals | (从 Object 继承。) |
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FormatSqlVariant | Formats an object as SqlVariant type. (从 SqlSmoObject 继承。) |
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GetContextDB | Gets the context database that is associated with this object. (从 SqlSmoObject 继承。) |
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GetDBName | Gets the database name that is associated with the object. (从 SqlSmoObject 继承。) |
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GetHashCode | (从 Object 继承。) |
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GetPropValue | Gets a property value of the SqlSmoObject object. (从 SqlSmoObject 继承。) |
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GetPropValueOptional | Gets a property value of the SqlSmoObject object. (从 SqlSmoObject 继承。) |
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GetPropValueOptionalAllowNull | Gets a property value of the SqlSmoObject object. (从 SqlSmoObject 继承。) |
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GetServerObject | Gets the server of the SqlSmoObject object. (从 SqlSmoObject 继承。) |
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GetType | (从 Object 继承。) |
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Initialize() | Initializes the object and forces the properties be loaded. (从 SqlSmoObject 继承。) |
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Initialize(Boolean) | Initializes the object and forces the properties be loaded. (从 SqlSmoObject 继承。) |
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IsObjectInitialized | Verifies whether the object has been initialized. (从 SqlSmoObject 继承。) |
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IsObjectInSpace | Verifies whether the object is isolated or connected to the instance of SQL Server. (从 SqlSmoObject 继承。) |
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Refresh | Refreshes the object and retrieves properties when the object is next accessed. (从 SqlSmoObject 继承。) |
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SetParentImpl | Sets the parent of the SqlSmoObject to the newParent parameter. (从 SqlSmoObject 继承。) |
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ToString | Returns a String that represents the referenced object. (从 SqlSmoObject 继承。) |
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Validate | Validates the state of an object. (从 SmoObjectBase 继承。) |
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事件
| 名称 | 说明 | |
|---|---|---|
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PropertyChanged | Represents the event that occurs when a property is changed. (从 SqlSmoObject 继承。) |
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PropertyMetadataChanged | Represents the event that occurs when property metadata changes. (从 SqlSmoObject 继承。) |
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显式接口实现
| 名称 | 说明 | |
|---|---|---|
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IAlienObject.Discover | Discovers any dependencies. 不要在您的代码中直接引用此成员。它支持 SQL Server 基础结构。 (从 SqlSmoObject 继承。) |
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IAlienObject.GetDomainRoot | Returns the root of the domain. (从 SqlSmoObject 继承。) |
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IAlienObject.GetParent | Gets the parent of this object. 不要在您的代码中直接引用此成员。它支持 SQL Server 基础结构。 (从 SqlSmoObject 继承。) |
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IAlienObject.GetPropertyType | Gets the type of the specified property. (从 SqlSmoObject 继承。) |
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IAlienObject.GetPropertyValue | Gets the value of the specified property. (从 SqlSmoObject 继承。) |
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IAlienObject.GetUrn | Gets the Unified Resource Name (URN) of the object. 不要在您的代码中直接引用此成员。它支持 SQL Server 基础结构。 (从 SqlSmoObject 继承。) |
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IAlienObject.Resolve | Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (从 SqlSmoObject 继承。) |
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IAlienObject.SetObjectState | Sets the object state to the specified SfcObjectState value. (从 SqlSmoObject 继承。) |
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IAlienObject.SetPropertyValue | Sets the property value. (从 SqlSmoObject 继承。) |
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ISfcPropertyProvider.GetPropertySet | Gets the interface reference to the set of properties of this object. (从 SqlSmoObject 继承。) |
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ISfcSupportsDesignMode.IsDesignMode | Gets a Boolean value that specifies whether the foreign key column supports design mode. |
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注释
To get ForeignKeyColumn object properties, users can be a member of the public fixed server role.
To set ForeignKeyColumn object properties, users must have ALTER permission on the parent table or be a member of the db_owner fixed database role.
To create or drop a foreign key column, users must have ALTER permission on the parent table or be a member of the db_owner fixed database role.
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。但不保证所有实例成员都是线程安全的。
示例
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。
请参阅
参考
Microsoft.SqlServer.Management.Smo 命名空间
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