sqltabledependency | properly get the SqlTableInjection running | SQL Database library
kandi X-RAY | sqltabledependency Summary
kandi X-RAY | sqltabledependency Summary
In this repository I am demonstrating how to properly get the SqlTableInjection running, a SQL script is also attached (you will need to run it in your SQL Server). In this repository I am demonstrating how to properly get the SqlTableInjection running, a SQL script is also attached (you will need to run it in your SQL Server). Link to download: Audit, monitor and receive notifications on table change. SqlTableDependency is a high-level C# component to used to audit, monitor and receive notifications on SQL Server's record table change. For any record table change, insert update or delete, a notification containing values for the record inserted, changed or deleted is received from SqlTableDependency. This notification contains the update values int the database table. Compared to Microsoft ADO.NET SqlDependency class, this tracking change system has the advantage of avoid a database select to retrieve updated table record state, because this latest table status is delivered by the received notification.
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QUESTION
I have an application that heavily relies on SQlTableDependency, the application run well in our test environment; and we recently restored the database from test env to the production env and enabled service broker on the database the newly restored and we configure our web app to point to the production env , However we realised our web app stoped being notified by the database thru sqltabledependency.
here a sample code of our sqltabledependency handle event
...ANSWER
Answered 2022-Mar-15 at 12:55After hours of googling i found a solution that fixed the problem by simply running the following command on the restored database
QUESTION
I am attempting to implement ASP.NET Core SignalR. I am looking for assistance. The project is located at: https://github.com/Talsiter/AspNetCore-SignalR-SqlTableDependency
The issue that I am running into is when a datatable is being populated from jQuery AJAX, no data is being populated into the view.
Items model (Item.cs)
...ANSWER
Answered 2021-Aug-27 at 05:24The naming convention for response in asp.net core is camel case
instead of pascal case
. Also you need remove "dataSrc": ''
.
Change like below:
QUESTION
I have a Blazor application that uses SQLTableDependency to detect database changes, then notify all clients about the change via SignalR. This works but I need a way to be able to detect changes and only notify specific SignalR groups. Because SQLTableDependency doesn't care about who inserted, altered, or deleted a record in the database, I am not sure how to know which group to send the update too. Please see below for more details about my app and what i'm trying to accomplish.
For each customer we setup a new organization. An organization has its own list of assets, and can have multiple users.
Organization.cs
...ANSWER
Answered 2020-Sep-03 at 16:40When the UI is working with a class for example called : Student
The UI component joins a group called "Student" or "BlahNamespace.Student". If its a list just the name, if its an entity join the both the name and another group with the ID as a string concatenated "BlahNamespace.Student:201" In your case you could append the the organization's name as well for finer grain if the db knows this from the entity.
The server can notify the groups as needed depending on the operation.
I inject the hub into the API controller to achieve this.
Personally I would not use the signalr service to transfer the data, keep it light weight, just "signal" the change. The client can then decide how to deal with that. That way the data can be only accessed one way via the API with all the configured security.
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