sqldependency

When using SqlDependency without providing an options value, SqlDependency. Start () must be called prior to execution of a command added to the SqlDependency instance., providingthat When debugging the SignalR program, an exception is prompted: When using SqlDependency without providing an options value,

OutputCache attributes (4)-SqlDependency and sqldependency Directory OutputCache Concept Learning OutputCache attributes (1) OutputCache attributes (2) OutputCache attributes (III) OutputCache attributes (4)-SqlDependency NoStore Boolean value, used to determine whether to block the second-level storage of sensitive information. The default value is false.

Series directory: Sqldependency Cache Usage Asp.net uses sqldependency Sqlcachedependency use command notifications to invalidate Cache Cachedependency usage Aggregatecachedependency usage Sqlcachedependency uses Round Robin to invalidate Cache Bytes ---------------------------------------------------------------------------------------------- When the data in the Microsoft SQL Server da

Caching is a function that must be involved in every system. Generally, caching has a problem-when to clear it? For example, you can set an expiration time for the cache in ASP. NET, but how long is it appropriate? If it is too long, the meaning of the cache will be lost. This problem can be solved by using sqldependency for caching. Sqldependency is a type encapsulated by. net2.0. It must be used with sql2

Sqldependency provides the ability to automatically trigger the onchange event to notify the application when the data in the monitored database changes, this allows the system to automatically update data (or cache. For Quick Start, see the following articles by yuanyou. Http://www.cnblogs.com/xrinehart/archive/2006/07/27/461106.html. NET 2.0 sqldependency Quick Start GuideHttp://www.cnblogs.com/gesenkof99

Caching is a function that must be involved in every system. Generally, caching has a problem-when to clear it? For example, you can set an expiration time for the cache in ASP. NET, but how long is it appropriate? If it is too long, the meaning of the cache will be lost. This problem can be solved by using sqldependency for caching. Sqldependency is a type encapsulated by. net2.0. It must be used with sq

Tags: ADE mail connection new framework pen Count LLB manIntroduction : SqlDependency provides such a capability. : When the data in the monitored database is changed , SqlDependency will automatically trigger OnChange event to notify the application , so that the system can automatically update the data ( or cache ) the purpose. Application Scenarios: When the data in the database changes, need to updat

SqlDependency with Servicebroker for cachingStep One:The SQL database must have the Servicebroker service turned on, first detecting if Servicebroker is enabled, and the detection method:Select databasepropertyex (' dbname ', ' isbrokerenabled ')--1 indicates that 0 is enabled and is not enabledStep Two:If Servicebroker is not enabled, use the following statement to enable:ALTER Database Step Three:In implementing a service-based SQL data cache depend

http://blog.csdn.net/idays021/article/details/49661855Class Program{private static string _connstr;static void Main (string[] args){_connstr = configurationmanager.connectionstrings["plmconnectionstring"]. ToString ();Sqldependency.start (_CONNSTR);//incoming connection string, initiating database-based snoopingUpdateGrid ();Console.read ();}private static void UpdateGrid (){using (SqlConnection connection = new SqlConnection (_CONNSTR)){Dependencies are based on a table, and the query statement

The System. Data. SqlClient. SqlDependency class provides a good function about sql2005. Although there are many restrictions on this feature, it is still very useful. Let's first look at a demo: In this example, we first create an SQL environment where some data is inserted, and then use the. net client to query the data. The System. Data. SqlClient. SqlDependency class provides a good function about sql2

This article usesSQL Server 2005The above implementation prevails,SQL Server 2000For different implementation mechanisms, please refer to relevant materials. Step 1: in SQL Server 2005 run on alter database set enable_broker; the statement enables the listener service for the corresponding database to support sqldependency feature. This statement is best executed when the database d

The Microsoft Enterprise Library cache block does not provide sqlcachedependency like system. Web. caching.Let's add one for it. We can directly package the sqlcachedependency of system. Web. caching. Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Public class sqldependency: icacheitemexpiration { Private sqlcachedependency _ sqlcachedependency; Public sqldepende