SqlDependency Constructor (SqlCommand)

SqlDependency Constructor (SqlCommand^)


Creates a new instance of the SqlDependency class and associates it with the SqlCommand parameter.

Namespace:   System.Data.SqlClient
Assembly:  System.Data (in System.Data.dll)

	SqlCommand^ command


Type: System.Data.SqlClient::SqlCommand^

The SqlCommand object to associate with this SqlDependency object. The constructor will set up a SqlNotificationRequest object and bind it to the command.

Exception Condition

The command parameter is NULL.


The SqlCommand object already has a SqlNotificationRequest object assigned to its Notification property, and that SqlNotificationRequest is not associated with this dependency.

Internally, this constructor creates an instance of the SqlNotificationRequest class, and binds it to a SqlCommand object.

Query notifications are supported only for SELECT statements that meet a list of specific requirements. The following table provides links to the Service Broker and Query Notifications documentation in SQL Server Books Online.

SQL Server Books Online

.NET Framework
Available since 2.0
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