sqldependency

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What are the limitations of SqlDependency?

I am using a table as a message queue and \"signing up\" for updates by using a SqlDependency. Everywhere I read, people are saying \"look out for the limitations of it\" but not specifically saying w[详细]

2023-04-09 18:29 分类：问答
SQL Server Notifications - My OnChange does not fire from a windows service

I would like to make use of SQL Server notifications to capture insert/update events at my database within a windows service. I am attempting to use the SQLDependency object. The MSDN articles make th[详细]

2023-04-02 13:44 分类：问答
A few questions about SqlDependency/SqlCacheDependency

I have a few questions that i would like to clear Can u use SqlDependency or SqlCacheDependency to find out which particular data item has changed in the database?[详细]

2023-03-19 13:39 分类：问答
PHP & MySQL: Check if table's data has changed without polling?

Is there a way to test if a MySQL table\'s data has changed at all, without connecting or querying. This might sound weird, but in ASP.NET you can set up SqlDependencies that are kind of events that[详细]

2023-03-08 10:01 分类：问答
ASP.NET Best way to queue a report in sql and then update the user when it's available

I want to allow user开发者_Python百科s on the website to queue a report (enter the request in a sql table).The queue will be processed by a windows app that will read the queue from the sql server, ru[详细]

2023-03-05 07:07 分类：问答
Caching with SqlDependency

I\'m using SqlDependency to monitor for changes in a database. Let\'s say, these are stock quotes, to make the example easy to understand. The application also uses (another) SqlDependeny-Object to mo[详细]

2023-03-02 12:11 分类：问答
SqlDependency subscription is registered with hard-coded SQL command, but not with LINQ

I am trying to get SQL Dependency notifications working with LINQ. I am successful with hard-coded command text:[详细]

2023-02-25 01:56 分类：问答
How can I use SqlDependency in a class?

I have a big problem. When I implement a SqlDependency watcher in a windows form, everything works fine as long as I invoke my \"OnChance\" event to the ui thread.[详细]

2023-02-17 12:14 分类：问答
Alternatives to SQL Notification for triggering code on table changes

So I\'ve just inherited an application which used the SQL Dependency function associated with SQL Notification Services in order to perform some functionality whenever one of the tables in the DB was[详细]

2023-01-28 12:42 分类：问答
SqlDependency - How do I interpret the SqlNotificationEventArgs properties?

I\'m using the SqlDependency class and have been trying unsuccessfully to find a list of possible combinations of the Type, Source and Info properties of the SqlNotificationEventArgs object.[详细]

2023-01-28 09:49 分类：问答