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DatabaseNotEnabledForNotificationException Class

The exception that is thrown when a SQL Server database is not enabled to support dependencies associated with the SqlCacheDependency class. This class cannot be inherited.

System.Object
  System.Exception
    System.SystemException
      System.Web.Caching.DatabaseNotEnabledForNotificationException

Namespace:  System.Web.Caching
Assembly:  System.Web (in System.Web.dll)

[SerializableAttribute]
public sealed class DatabaseNotEnabledForNotificationException : SystemException

The DatabaseNotEnabledForNotificationException type exposes the following members.

  NameDescription
Public methodDatabaseNotEnabledForNotificationException()Initializes a new instance of the DatabaseNotEnabledForNotificationException class.
Public methodDatabaseNotEnabledForNotificationException(String)Initializes a new instance of the DatabaseNotEnabledForNotificationException class.
Public methodDatabaseNotEnabledForNotificationException(String, Exception)Initializes a new instance of the DatabaseNotEnabledForNotificationException class with a specified error message and a reference to the inner exception that is the cause of this exception.
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  NameDescription
Public propertyDataGets a collection of key/value pairs that provide additional user-defined information about the exception. (Inherited from Exception.)
Public propertyHelpLinkGets or sets a link to the help file associated with this exception. (Inherited from Exception.)
Public propertyHResultGets or sets HRESULT, a coded numerical value that is assigned to a specific exception. (Inherited from Exception.)
Public propertyInnerExceptionGets the Exception instance that caused the current exception. (Inherited from Exception.)
Public propertyMessageGets a message that describes the current exception. (Inherited from Exception.)
Public propertySourceGets or sets the name of the application or the object that causes the error. (Inherited from Exception.)
Public propertyStackTraceGets a string representation of the immediate frames on the call stack. (Inherited from Exception.)
Public propertyTargetSiteGets the method that throws the current exception. (Inherited from Exception.)
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  NameDescription
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Public methodGetBaseExceptionWhen overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions. (Inherited from Exception.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetObjectDataWhen overridden in a derived class, sets the SerializationInfo with information about the exception. (Inherited from Exception.)
Public methodGetTypeGets the runtime type of the current instance. (Inherited from Exception.)
Public methodToStringCreates and returns a string representation of the current exception. (Inherited from Exception.)
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The following code example is an exception handler for a simple administration page for setting up change notification in a SQL Server database.

For the full code required to run the example, see the Example section of the SqlCacheDependencyAdmin class overview topic.

catch (DatabaseNotEnabledForNotificationException ex)
{
  enabledTables.Visible = false;
  disableTable.Visible = false;
  enabledTablesMsg.Text = "Cache notifications are not enabled in this database.";

  tableName.Visible = false;
  enableTable.Visible = false;
  tableEnableMsg.Text = "Must enable database for notifications before enabling tables";
}

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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