Alert 類別

The Alert class represents a Microsoft SQL Server Agent alert.

繼承階層

System.Object
  Microsoft.SqlServer.Management.Smo.SmoObjectBase
    Microsoft.SqlServer.Management.Smo.SqlSmoObject
      Microsoft.SqlServer.Management.Smo.NamedSmoObject
        Microsoft.SqlServer.Management.Smo.Agent.AgentObjectBase
          Microsoft.SqlServer.Management.Smo.Agent.Alert

命名空間：  Microsoft.SqlServer.Management.Smo.Agent
組件：  Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll 中)

語法

'宣告
Public NotInheritable Class Alert _
    Inherits AgentObjectBase _
    Implements ICreatable, IDroppable, IAlterable, IRenamable,  _
    IScriptable
'用途
Dim instance As Alert

public sealed class Alert : AgentObjectBase, 
    ICreatable, IDroppable, IAlterable, IRenamable, IScriptable

public ref class Alert sealed : public AgentObjectBase, 
    ICreatable, IDroppable, IAlterable, IRenamable, IScriptable

[<SealedAttribute>]
type Alert =  
    class 
        inherit AgentObjectBase 
        interface ICreatable 
        interface IDroppable 
        interface IAlterable 
        interface IRenamable 
        interface IScriptable 
    end

public final class Alert extends AgentObjectBase implements ICreatable, IDroppable, IAlterable, IRenamable, IScriptable

Alert 型別公開下列成員。

建構函式

	名稱	說明
	Alert()	Initializes a new instance of the Alert class.
	Alert(JobServer, String)	Initializes a new instance of the Alert class on the specified instance of SQL Server Agent and with the specified name

上層

屬性

	名稱	說明
	AlertType	Gets the AlertType object value that specifies the type of alert.
	CategoryName	Gets or sets the name of the category to which the alert belongs.
	CountResetDate	Gets or sets the date on which to reset the alert occurrence count back to zero.
	DatabaseName	Gets or sets the name of the database that the alert is monitoring.
	DelayBetweenResponses	Gets or sets the delay between responses in seconds.
	EventDescriptionKeyword	Gets or sets a word or phrase that must appear in the text of an event message that causes the alert to be raised.
	EventSource	Gets the event source text from the application event log.
	HasNotification	Gets the number of SQL Server Agent operators that are assigned to receive notification when the alert is fired.
	ID	Gets the ID value that uniquely identifies SQL Server Agent.
	IncludeEventDescription	Gets or sets the NotifyMethods object value that specifies the types of notification methods (e-mail, pager, or net send) that can contain alert error text.
	IsEnabled	Gets or sets the Boolean property value that specifies whether the alert is enabled or not.
	JobID	Gets or sets the ID value of the SQL Server Agent job that is run in response to the alert being raised.
	JobName	Gets or sets the name of the SQL Server Agent job that is run in response to the alert being raised.
	LastOccurrenceDate	Gets or sets the date on which the alert was last raised.
	LastResponseDate	Gets or sets the date on which the alert last generated a response.
	MessageID	Gets or sets the ID value of the Microsoft SQL Server message that causes the alert to be raised.
	Name	Gets or sets the name of the object. (繼承自 NamedSmoObject。)
	NotificationMessage	Gets or sets the user-supplied text appended to any notification sent in response to an alert being raised.
	OccurrenceCount	Gets the number of times the alert has fired since the alert was enabled or since a specified date.
	Parent	Gets or sets the JobServer object that is the parent of the Alert object.
	PerformanceCondition	Gets or sets the performance condition text.
	Properties	Gets a collection of Property objects that represent the object properties. (繼承自 SqlSmoObject。)
	Severity	Gets or sets the error message severity level that causes the alert to be raised.
	State	Gets the state of the referenced object. (繼承自 SmoObjectBase。)
	Urn	Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (繼承自 SqlSmoObject。)
	UserData	Gets or sets user-defined data associated with the referenced object. (繼承自 SmoObjectBase。)
	WmiEventNamespace	Gets or sets the Windows Management Instrumentation (WMI) namespace for the event.
	WmiEventQuery	Gets or sets the Windows Management Instrumentation (WMI) query for the event.

上層

方法

	名稱	說明
	AddNotification	Designates an operator that receives a notification message when the alert is raised.
	Alter	Updates any Alert object property changes on instance of Microsoft SQL Server .
	Create	Creates an alert on the instance of Microsoft SQL Server as defined by the Alert object.
	Discover	Discovers a list of type Object. (繼承自 SqlSmoObject。)
	Drop	Removes the alert.
	EnumNotifications()	Enumerates a list of all notifications defined on the alert.
	EnumNotifications(String)	Enumerates a list of notification methods defined on the alert that are restricted to the specified operator.
	EnumNotifications(NotifyMethods)	Enumerates a list of notification methods defined on the alert that are restricted to the specified notification methods.
	EnumNotifications(NotifyMethods, String)	Enumerates a list of notification methods defined on the alert that are restricted to the specified notification methods and a specified operator.
	Equals	(繼承自 Object。)
	FormatSqlVariant	Formats an object as SqlVariant type. (繼承自 SqlSmoObject。)
	GetContextDB	Gets the context database that is associated with this object. (繼承自 SqlSmoObject。)
	GetDBName	Gets the database name that is associated with the object. (繼承自 AgentObjectBase。)
	GetHashCode	(繼承自 Object。)
	GetPropValue	Gets a property value of the SqlSmoObject object. (繼承自 SqlSmoObject。)
	GetPropValueOptional	Gets a property value of the SqlSmoObject object. (繼承自 SqlSmoObject。)
	GetPropValueOptionalAllowNull	Gets a property value of the SqlSmoObject object. (繼承自 SqlSmoObject。)
	GetServerObject	Gets the server of the SqlSmoObject object. (繼承自 SqlSmoObject。)
	GetType	(繼承自 Object。)
	Initialize()	Initializes the object and forces the properties be loaded. (繼承自 SqlSmoObject。)
	Initialize(Boolean)	Initializes the object and forces the properties be loaded. (繼承自 SqlSmoObject。)
	IsObjectInitialized	Verifies whether the object has been initialized. (繼承自 SqlSmoObject。)
	IsObjectInSpace	Verifies whether the object is isolated or connected to the instance of SQL Server. (繼承自 SqlSmoObject。)
	Refresh	Refreshes the object and retrieves properties when the object is next accessed. (繼承自 SqlSmoObject。)
	RemoveNotification	Removes the notification of an operator from the alert definition.
	Rename	Renames the alert.
	ResetOccurrenceCount	Resets the alert occurrence count back to zero.
	Script()	Generates a Transact-SQL script that can be used to re-create the Microsoft SQL Server Agent alert.
	Script(ScriptingOptions)	Generates a Transact-SQL script that can be used to re-create the Microsoft SQL Server Agent alert as specified by the scripting options.
	SetParentImpl	Sets the parent of the SqlSmoObject to the newParent parameter. (繼承自 SqlSmoObject。)
	ToString	Returns a String that represents the referenced object. (繼承自 SqlSmoObject。)
	UpdateNotification	Changes the notification method associated with an operator for the alert.
	Validate	Validates the state of an object. (繼承自 SmoObjectBase。)

上層

事件

	名稱	說明
	PropertyChanged	Represents the event that occurs when a property is changed. (繼承自 SqlSmoObject。)
	PropertyMetadataChanged	Represents the event that occurs when property metadata changes. (繼承自 SqlSmoObject。)

上層

明確 繼承 實作

	名稱	說明
	IAlienObject.Discover	Discovers any dependencies. 不要直接在程式碼中參照此成員。其支援 SQL Server 基礎結構。 (繼承自 SqlSmoObject。)
	IAlienObject.GetDomainRoot	Returns the root of the domain. (繼承自 SqlSmoObject。)
	IAlienObject.GetParent	Gets the parent of this object. 不要直接在程式碼中參照此成員。其支援 SQL Server 基礎結構。 (繼承自 SqlSmoObject。)
	IAlienObject.GetPropertyType	Gets the type of the specified property. (繼承自 SqlSmoObject。)
	IAlienObject.GetPropertyValue	Gets the value of the specified property. (繼承自 SqlSmoObject。)
	IAlienObject.GetUrn	Gets the Unified Resource Name (URN) of the object. 不要直接在程式碼中參照此成員。其支援 SQL Server 基礎結構。 (繼承自 SqlSmoObject。)
	IAlienObject.Resolve	Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. (繼承自 SqlSmoObject。)
	IAlienObject.SetObjectState	Sets the object state to the specified SfcObjectState value. (繼承自 SqlSmoObject。)
	IAlienObject.SetPropertyValue	Sets the property value. (繼承自 SqlSmoObject。)
	ISfcPropertyProvider.GetPropertySet	Gets the interface reference to the set of properties of this object. (繼承自 SqlSmoObject。)

上層

備註

To get or set Alert object properties, users must be a member of the sysadmin fixed server role.

To create or drop an Alert users must be a member of the sysadmin fixed server role.

Thread Safety

此型別的任何公用靜態 (在 Microsoft Visual Basic 為共用) 成員具備多執行緒作業安全。並非所有的執行個體成員都是安全執行緒。

範例

使用 SQL Server Agent 排程自動管理工作

執行緒安全性

這個型別的任何公用 static (在 Visual Basic 中為 Shared) 成員都是執行緒安全的。並不是所有的執行個體成員都保證可以用於所有的執行緒。

請參閱

參考

Microsoft.SqlServer.Management.Smo.Agent 命名空間

其他資源

使用 SQL Server Agent 排程自動管理工作

自動化管理工作 (SQL Server Agent)

sp_add_alert (Transact-SQL)