SqlCacheDependencyDatabase SqlCacheDependencyDatabase SqlCacheDependencyDatabase SqlCacheDependencyDatabase Class

Definition

Configures the SQL cache dependencies databases for an ASP.NET application. This class cannot be inherited.

public ref class SqlCacheDependencyDatabase sealed : System::Configuration::ConfigurationElement
public sealed class SqlCacheDependencyDatabase : System.Configuration.ConfigurationElement
type SqlCacheDependencyDatabase = class
    inherit ConfigurationElement
Public NotInheritable Class SqlCacheDependencyDatabase
Inherits ConfigurationElement
Inheritance
SqlCacheDependencyDatabaseSqlCacheDependencyDatabaseSqlCacheDependencyDatabaseSqlCacheDependencyDatabase

Examples

The following code example shows how to obtain the SqlCacheDependencyDatabase object from the configuration file of an existing Web application.

// Get the Web application configuration.
System.Configuration.Configuration webConfig =
WebConfigurationManager.OpenWebConfiguration("/aspnetTest");

// Get the section.
string configPath = "system.web/cache/sqlCacheDependency";
System.Web.Configuration.SqlCacheDependencySection sqlDs =
(System.Web.Configuration.SqlCacheDependencySection)webConfig.GetSection(
configPath);

// Get the databases element at 0 index.
System.Web.Configuration.SqlCacheDependencyDatabase sqlCdd =
    sqlDs.Databases[0];

' Get the Web application configuration.
  Dim webConfig _
  As System.Configuration.Configuration = _
  WebConfigurationManager.OpenWebConfiguration("/aspnetTest")

' Get the section.
  Dim configPath As String = _
  "system.web/cache/sqlCacheDependency"
  Dim sqlDs _
  As System.Web.Configuration.SqlCacheDependencySection = _
  CType(webConfig.GetSection(configPath), System.Web.Configuration.SqlCacheDependencySection)

' Get the databases element at 0 index.
  Dim sqlCdd _
  As System.Web.Configuration.SqlCacheDependencyDatabase = _
  sqlDs.Databases(0)

Remarks

The SqlCacheDependencyDatabase allows you to programmatically access and modify the databases element of the sqlCacheDependency node within the caching configuration section.

The SQL cache dependency allows the cached data to be synchronized with the original source. After you configure the relationship between an item stored in an ASP.NET application's cache and a specific SQL Server database table, an instance of the SqlCacheDependency class monitors the table for possible changes.

Constructors

SqlCacheDependencyDatabase(String, String) SqlCacheDependencyDatabase(String, String) SqlCacheDependencyDatabase(String, String) SqlCacheDependencyDatabase(String, String)

Initializes a new instance of the SqlCacheDependencyDatabase class with the passed parameters.

SqlCacheDependencyDatabase(String, String, Int32) SqlCacheDependencyDatabase(String, String, Int32) SqlCacheDependencyDatabase(String, String, Int32) SqlCacheDependencyDatabase(String, String, Int32)

Initializes a new instance of the SqlCacheDependencyDatabase class.

Properties

ConnectionStringName ConnectionStringName ConnectionStringName ConnectionStringName

Gets or sets the connection name for the database.

CurrentConfiguration CurrentConfiguration CurrentConfiguration CurrentConfiguration

Gets a reference to the top-level Configuration instance that represents the configuration hierarchy that the current ConfigurationElement instance belongs to.

(Inherited from ConfigurationElement)
ElementInformation ElementInformation ElementInformation ElementInformation

Gets an ElementInformation object that contains the non-customizable information and functionality of the ConfigurationElement object.

(Inherited from ConfigurationElement)
ElementProperty ElementProperty ElementProperty ElementProperty

Gets the ConfigurationElementProperty object that represents the ConfigurationElement object itself.

(Inherited from ConfigurationElement)
EvaluationContext EvaluationContext EvaluationContext EvaluationContext

Gets the ContextInformation object for the ConfigurationElement object.

(Inherited from ConfigurationElement)
HasContext HasContext HasContext HasContext

Gets a value that indicates whether the CurrentConfiguration property is null.

(Inherited from ConfigurationElement)
Item[ConfigurationProperty] Item[ConfigurationProperty] Item[ConfigurationProperty] Item[ConfigurationProperty]

Gets or sets a property or attribute of this configuration element.

(Inherited from ConfigurationElement)
Item[String] Item[String] Item[String] Item[String]

Gets or sets a property, attribute, or child element of this configuration element.

(Inherited from ConfigurationElement)
LockAllAttributesExcept LockAllAttributesExcept LockAllAttributesExcept LockAllAttributesExcept

Gets the collection of locked attributes.

(Inherited from ConfigurationElement)
LockAllElementsExcept LockAllElementsExcept LockAllElementsExcept LockAllElementsExcept

Gets the collection of locked elements.

(Inherited from ConfigurationElement)
LockAttributes LockAttributes LockAttributes LockAttributes

Gets the collection of locked attributes

(Inherited from ConfigurationElement)
LockElements LockElements LockElements LockElements

Gets the collection of locked elements.

(Inherited from ConfigurationElement)
LockItem LockItem LockItem LockItem

Gets or sets a value indicating whether the element is locked.

(Inherited from ConfigurationElement)
Name Name Name Name

Gets or sets the name of the database.

PollTime PollTime PollTime PollTime

Gets or sets the frequency with which the SqlCacheDependency polls the database table for changes.

Properties Properties Properties Properties

Gets the collection of properties.

(Inherited from ConfigurationElement)

Methods

DeserializeElement(XmlReader, Boolean) DeserializeElement(XmlReader, Boolean) DeserializeElement(XmlReader, Boolean) DeserializeElement(XmlReader, Boolean)

Reads XML from the configuration file.

(Inherited from ConfigurationElement)
Equals(Object) Equals(Object) Equals(Object) Equals(Object)

Compares the current ConfigurationElement instance to the specified object.

(Inherited from ConfigurationElement)
GetHashCode() GetHashCode() GetHashCode() GetHashCode()

Gets a unique value representing the current ConfigurationElement instance.

(Inherited from ConfigurationElement)
GetTransformedAssemblyString(String) GetTransformedAssemblyString(String) GetTransformedAssemblyString(String) GetTransformedAssemblyString(String)

Returns the transformed version of the specified assembly name.

(Inherited from ConfigurationElement)
GetTransformedTypeString(String) GetTransformedTypeString(String) GetTransformedTypeString(String) GetTransformedTypeString(String)

Returns the transformed version of the specified type name.

(Inherited from ConfigurationElement)
GetType() GetType() GetType() GetType()

Gets the Type of the current instance.

(Inherited from Object)
Init() Init() Init() Init()

Sets the ConfigurationElement object to its initial state.

(Inherited from ConfigurationElement)
InitializeDefault() InitializeDefault() InitializeDefault() InitializeDefault()

Used to initialize a default set of values for the ConfigurationElement object.

(Inherited from ConfigurationElement)
IsModified() IsModified() IsModified() IsModified()

Indicates whether this configuration element has been modified since it was last saved or loaded, when implemented in a derived class.

(Inherited from ConfigurationElement)
IsReadOnly() IsReadOnly() IsReadOnly() IsReadOnly()

Gets a value indicating whether the ConfigurationElement object is read-only.

(Inherited from ConfigurationElement)
ListErrors(IList) ListErrors(IList) ListErrors(IList) ListErrors(IList)

Adds the invalid-property errors in this ConfigurationElement object, and in all subelements, to the passed list.

(Inherited from ConfigurationElement)
MemberwiseClone() MemberwiseClone() MemberwiseClone() MemberwiseClone()

Creates a shallow copy of the current Object.

(Inherited from Object)
OnDeserializeUnrecognizedAttribute(String, String) OnDeserializeUnrecognizedAttribute(String, String) OnDeserializeUnrecognizedAttribute(String, String) OnDeserializeUnrecognizedAttribute(String, String)

Gets a value indicating whether an unknown attribute is encountered during deserialization.

(Inherited from ConfigurationElement)
OnDeserializeUnrecognizedElement(String, XmlReader) OnDeserializeUnrecognizedElement(String, XmlReader) OnDeserializeUnrecognizedElement(String, XmlReader) OnDeserializeUnrecognizedElement(String, XmlReader)

Gets a value indicating whether an unknown element is encountered during deserialization.

(Inherited from ConfigurationElement)
OnRequiredPropertyNotFound(String) OnRequiredPropertyNotFound(String) OnRequiredPropertyNotFound(String) OnRequiredPropertyNotFound(String)

Throws an exception when a required property is not found.

(Inherited from ConfigurationElement)
PostDeserialize() PostDeserialize() PostDeserialize() PostDeserialize()

Called after deserialization.

(Inherited from ConfigurationElement)
PreSerialize(XmlWriter) PreSerialize(XmlWriter) PreSerialize(XmlWriter) PreSerialize(XmlWriter)

Called before serialization.

(Inherited from ConfigurationElement)
Reset(ConfigurationElement) Reset(ConfigurationElement) Reset(ConfigurationElement) Reset(ConfigurationElement)

Resets the internal state of the ConfigurationElement object, including the locks and the properties collections.

(Inherited from ConfigurationElement)
ResetModified() ResetModified() ResetModified() ResetModified()

Resets the value of the IsModified() method to false when implemented in a derived class.

(Inherited from ConfigurationElement)
SerializeElement(XmlWriter, Boolean) SerializeElement(XmlWriter, Boolean) SerializeElement(XmlWriter, Boolean) SerializeElement(XmlWriter, Boolean)

Writes the contents of this configuration element to the configuration file when implemented in a derived class.

(Inherited from ConfigurationElement)
SerializeToXmlElement(XmlWriter, String) SerializeToXmlElement(XmlWriter, String) SerializeToXmlElement(XmlWriter, String) SerializeToXmlElement(XmlWriter, String)

Writes the outer tags of this configuration element to the configuration file when implemented in a derived class.

(Inherited from ConfigurationElement)
SetPropertyValue(ConfigurationProperty, Object, Boolean) SetPropertyValue(ConfigurationProperty, Object, Boolean) SetPropertyValue(ConfigurationProperty, Object, Boolean) SetPropertyValue(ConfigurationProperty, Object, Boolean)

Sets a property to the specified value.

(Inherited from ConfigurationElement)
SetReadOnly() SetReadOnly() SetReadOnly() SetReadOnly()

Sets the IsReadOnly() property for the ConfigurationElement object and all subelements.

(Inherited from ConfigurationElement)
ToString() ToString() ToString() ToString()

Returns a string that represents the current object.

(Inherited from Object)
Unmerge(ConfigurationElement, ConfigurationElement, ConfigurationSaveMode) Unmerge(ConfigurationElement, ConfigurationElement, ConfigurationSaveMode) Unmerge(ConfigurationElement, ConfigurationElement, ConfigurationSaveMode) Unmerge(ConfigurationElement, ConfigurationElement, ConfigurationSaveMode)

Modifies the ConfigurationElement object to remove all values that should not be saved.

(Inherited from ConfigurationElement)

Applies to

See also