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SignalR Chat App With ASP.NET WebForm And BootStrap - Part Three

by Altaf Ansari

SignalR Real-Time ChatApp with Emoji / Smiley and sending file attachment

SignalR Chat App with ASP.NET WebForm And BootStrap - Part One

by Altaf Ansari

Integration of SignalR with ASP.NET C# WebForm Application in Real-Time Chat Application

Simple SignalR Server and Client Applications Demonstrating Common Usage Scenarios

by Mustafa Kok

SignalR server and client applications for demonstrating common scenarios like connecting, disconnecting, joining and leaving groups, sending messages to all clients, to specific or group of clients

Incremental Search on the Web with Dynamic LINQ + SignalR

by dsuryd

Application of "MVVM over SignalR" library described in a previous CodeProject tip, combined with Dynamic LINQ library to do incremental web search by typing the query

Latest Articles

.NET Core Razor pages (MVC) SignalR Client Error Message "connection disconnected with error 'websocket is not in the Open state'" Handling

by Victor Sirghii

SignalR JavaScript client error: "websocket not in Open state" resolved

One Possible Way of Selectively Assigning Hubs to Different WebApps in the Same Application

by Zoltán Zörgő

One application, multiple SignalR endpoints with different hubs

Tracking Changes in EntityFramework and Notifying these Changes to Client Apps using SignalR

by Pusparag Subudhi

Extending SignalR to push EF change notification to connected client applications

Exploring Signal-R to make WPF Application Interactive

by Pusparag Subudhi

A WPF application can be made more interactive and deployment friendly by using SignalR to our advantage. This is Part 1 showing how SignalR can be implemented in a WPF application for two-way communication and synchronization.

All Articles

SignalR

.NET Core Razor pages (MVC) SignalR Client Error Message "connection disconnected with error 'websocket is not in the Open state'" Handling

18 Mar 2024 by Victor Sirghii

SignalR JavaScript client error: "websocket not in Open state" resolved

Reload a web page on receipt of signalr notification

18 Aug 2023 by pkfox

I have a self hosted website on my LAN which contains a SignalR hub endpoint. On receipt of the incoming payload, it is added to a generic list which my Razor _layout.cshtml view renders. All works well but the data isn't rendered until I reload...

Reload a web page on receipt of signalr notification

18 Aug 2023 by Graeme_Grant

You could use SignalR with javascript: signalr javascript example - Google Search[^] - that should point you in the right direction. UPDATE An alternative is to use server-side Blazor. Then you can write it all in C#. Under the covers,...

Online chat application using ASP.NET, signalr, and ASP.NET identities

30 Jun 2023 by Cameron van Rooyen

Question How do I create the relationship between the support team member and partner user in my chatHub and then save the messages that they have sent to one another in my SQL database. Note, I am using ASP.NET identity framework for my user...

One Possible Way of Selectively Assigning Hubs to Different WebApps in the Same Application

16 Jun 2023 by Zoltán Zörgő

One application, multiple SignalR endpoints with different hubs

Set Enable broker failure to use with SignalR

2 Jan 2023 by Member 3153152

Hello All.......I am new in Asp.Net Web development..........I want to generate database change notification using SignalR, for this, I am using SQL Server 2008 R2.I am getting failure with following command ALTER DATABASE SignalRDummy SET ENABLE_BROKER.It says "Msg 1205,...

Set Enable broker failure to use with SignalR

2 Jan 2023 by MMMMMD

hi, using this query for solve your Problem: ALTER DATABASE SignalRDummy SET ENABLE_BROKER WITH ROLLBACK IMMEDIATE

Tracking Changes in EntityFramework and Notifying these Changes to Client Apps using SignalR

17 Apr 2022 by Pusparag Subudhi

Extending SignalR to push EF change notification to connected client applications

Exploring Signal-R to make WPF Application Interactive

13 Oct 2021 by Pusparag Subudhi

A WPF application can be made more interactive and deployment friendly by using SignalR to our advantage. This is Part 1 showing how SignalR can be implemented in a WPF application for two-way communication and synchronization.

VERY SIMPLE example of C# signalr solution that uses strongly typed calls

30 Sep 2021 by Member 15329613

You have to write your own code. No one here will write all the code for you. But if you get stuck on a specific point we'd gladly help.

How do I create a signalr hub that calls an existing web API controller?

26 Jul 2021 by amsga

Hi All, I am trying to provide the same results from both an existing Web API Controller as well as a new SignalR Hub. I am trying as much as possible not to duplicate the same code in both the Hub and Web API Controller. Any advice or links to...

How do I create a signalr hub that calls an existing web API controller?

23 Jul 2021 by lmoelleb

Do not put logic into the controller. Typically a web controller should: 1) Take any incoming parameters and convert to whatever data model the domain layer (a.k.a. business logic and other things) needs. 2) Call the domain layer with a single...

How can I use cache in signalr project?

13 Apr 2021 by gacar

I have a SignalR project. Can i use cache some records? And how? What I have tried: I haven't any idea. codeproject alert: Both the question and 'What have you tried' must be between 30 and 50000 characters.

How can I use cache in signalr project?

13 Apr 2021 by Dave Kreskowiak

With such a poor question, the only answer you're going to get is a generic one. Yes. How is dependent on your requirements and existing code, which I seriously doubt you have. This also has nothing to do with SignalR. SignalR just handles...

Signalr compatible with web forms app and xamarin?

13 Apr 2021 by sasko1

Hi! I have maybe stupid question? I need to choose functionalities for project that is going to contain web forms, .net core api and xamarin mobile app. What I have tried: For last project i made chat app with .net core web application and...

Signalr compatible with web forms app and xamarin?

13 Apr 2021 by Dave Kreskowiak

That's the nice part about SignalR. It's completely environment agnostic. It doesn't care what kind of application, web or not, you're writing. It's server is entirely separate from your application.

Push realtime data on web page using signalr

25 Feb 2021 by Member 15067806

I have recently heard about signalR. I want to display Realtime data on web application. I have a console application in asp.net which receives Realtime data from a device and sends on udp port. This udp data sent by console application should be...

Tracking active connectionids signalr .NET core

28 Jan 2021 by sasko1

Hi! I am trying to make chat app and i am trying to figure out best way to keep track of user connectionIDs. I am saving connectionID OnConnectedAsync to database and OdDisconnectedAsync removing That connectionID from database. My problem is...

Calling any function on ondisconnectedasync task in signalr hub

24 Jan 2021 by sasko1

Hi! I have problem with client side implementation of signalrHub. This is my ChatHub hub public class ChatHub : Hub { public string GetConnectionId() { return Context.ConnectionId; } public...

Calling any function on ondisconnectedasync task in signalr hub

24 Jan 2021 by Richard Deeming

Think about what you're asking. When a client disconnects from your hub, and will no longer receive any messages from your server... ... you want to send a message from the server to that client telling them they've disconnected. That...

Get signalr connectionid outside of hub

24 Jan 2021 by sasko1

Hi! I am trying to make something like customer service chat with signalr. I am able to use signalr to send message to every client but struggle with getting connectionID value anywhere outside of ChatHub so i could send to induvidual clients. ...

Get signalr connectionid outside of hub

24 Jan 2021 by sasko1

I solved it like this connection.start().then(function () { connection.invoke('GetConnectionId') .then(function (connectionId) { //alert(connectionId); })

Get signalr connectionid outside of hub

22 Jan 2021 by Christian Graus

Clearly you need to write the getconnectionid method, in order to take a value on your server, and share it with clients. Are you trying to create a group chat or connection? I am not sure you can just share an id and add someone to a session?

Signalr client does not receive messages from server

21 Jan 2021 by Member 11996793

Gerry, I'm encountering the same issues. I don.t have an answer yet. There is very little info with no complete solutions on Google from Microsoft. There are also no modern books. It's all too bad because its a good concept. I almost have it...

Asp.net MVC text to speech on client

18 Dec 2020 by Member 4764082

I have ASP.Net MVC application which is using SignalR to pass data to all connected client. I need to read out this data received on Client in English and Arabic. Client browser can be on iOS or Android or Windows PC. How can i solve this issue....

Problem with accessing httpcontext from signalr hub

20 Nov 2020 by sasko1

Hi! I am trying to make simple chat app with signalR. I did signalR part and have working chat. Now i want to save chat messages to database. In order to save message i need to know id of current authentificated user but I found out that...

Problem with accessing httpcontext from signalr hub

20 Nov 2020 by Richard Deeming

The Hub class[^] has a Context property[^] which returns the HubCallerContext[^]. You can get the authenticated user by looking at the HubCallerContext.User property[^].

Signalr client does not receive messages from server

5 Nov 2020 by Member 14652754

I am trying to create a server client environment with SignalR. I read a lot of information on the internet and also a lot on Stack Overflow but I am totaly stuck :( What I have tried: Here is what I did: I created a ASP.NET web application...

Connecting android signalr client to (normal) signalr web api

11 Sep 2020 by nortee

Hi, I am trying to connect an android phone via signalr core to a normal (net461) signalr web api. And it always just hangs on the last line as per below. hubConnection = new...

What should I use in my scenario signalr or worker service?

2 Sep 2020 by Member 14929601

I am building an application that closely resembles Google keep. The problem lies in the following scenario.(realtime sync) Consider a user visits my website on 2 devices i.e laptop and desktop. When he edits/adds/deletes any new Note then the...

BackgroundWorker

How do I make a server aps or aspx page with signalr

2 Aug 2020 by Member 14876167

I need to create a page based on websocket for transfering data between visitors and between visitors and server (online auction). Process: The website is hosted on a shared server somewhere .... The website administrator opens his admin page on...

WebSocket-server

How do I make a server aps or aspx page with signalr

2 Aug 2020 by Member 14876167

I dropped SignalR and used the websockets directly in VB

WebSocket-server

How to implement ASP.NET global.asax events code in ASP.NET core startup.cs file.

31 Jul 2020 by TCS54321

i am implement a notification system when use insert any value in database using signalR and asp.net core. I am new in SignalR and asp.net core. i follow this article Create a push notification system with SignalR | DotNet - awesome[^] to...

How to implement ASP.NET global.asax events code in ASP.NET core startup.cs file.

31 Jul 2020 by Sandeep Mewara

Would suggest you to follow this article that explains step-by-step on how to use SignalR with ASP.NET core. Post that, make necessary changes if needed be. Refer: Get started with ASP.NET Core SignalR | Microsoft Docs[^]

Xamarin app - failure to achieve network communication

27 Jul 2020 by Member 14891432

I'm writing a Xamarin app, targeting Android and iPhone. My app needs to communicate with a server to send and receive data. So far, I've concentrated mainly on the Android. I started with SignalR and spent a lot of time trying different things...

Quick Look into SignalR

19 Jul 2020 by Sandeep Mewara

See with a working demo how SignalR works and how it can be used

How do I make a server aps or aspx page with signalr

4 Jul 2020 by Member 14876167

thank you for your answer ... I'm sure you all already went to this kind of situation : you're stacked with a project, you've been googling for 3 weeks in search of a solution . And then you decide you've been stupid enough not asking for help...

WebSocket-server

How do I make a server aps or aspx page with signalr

4 Jul 2020 by MadMyche

Microsoft does have tutorials for web pages using SignalR; go through them and learn how they work, and then work from there to get to where you need to be. Microsoft Docs: Get started with ASP.NET Core[^]OP: In my opinion, the solution is using...

WebSocket-server

Windows 2019 firewall blocking windows service with signalr

18 Jun 2020 by User 14773238

After further investigation, it turns out the actual web listening was being hosted by the System process. As explained in answers to another question, apparently all HTTP listening winds up going through the System process. Setting the...

The remote certificate is invalid according to the validation procedure

10 Jun 2020 by Member 13444435

Hello together, I hang unsuccessfully for days on this problem and not a single answer to different posts at different websites helped me so solve it. I`m working on a Windows 10 System and implementing with VisualStudio 2017. With AspNetCore I`ve implemented the following projects: 1.)...

The remote certificate is invalid according to the validation procedure

10 Jun 2020 by rajesh2245977

Hi, Did you get any solution for this ? I am also facing similar issue on linux using docker. Regards, Rajesh

Printing the last added line to log file

16 May 2020 by Garth J Lancaster

Well .. I wouldn't be using the FileSystemEventHandler OnChanged event to attempt to get every line/group of lines added - there's too much buffering etc going on, and have a look here FileSystemWatcher.Changed Event (System.IO) | Microsoft...

Printing the last added line to log file

16 May 2020 by dreevo

I have a log file that I have to trace in real time with signalr. I'm using the mapping to remote method and FileSystemEventHandler approach as follow : This is the method that watches the log file. public void Progress_Log(SchemaUpdate...

How can use complex SQL select statement for SQL dependency

12 May 2020 by mohamad_ali

hi i am using sqldependecy to get notify from sqlserver and use signalr for send alarm to some users that store in database before that i sent alarm for all user and use simple select but now i want using complex select What I have tried: ...

How can use complex SQL select statement for SQL dependency

12 May 2020 by Richard Deeming

That query cannot be used with a SqlDependency: Creating a Query for Notification | Microsoft Docs[^]: Query notifications are supported for SELECT statements that meet the following requirements: … The statement must not contain subqueries… …...

How start sqldepndency with daynamic connection string in ASP.NET MVC 5

12 May 2020 by mohamad_ali

I have some databases that work with single ASP.NET MVC project and all of the databases are the same and i used real time alarm with signalr but when i want to start sqldependencyin Application_Start method needed connection string, i set...

How start sqldepndency with daynamic connection string in ASP.NET MVC 5

11 May 2020 by Richard Deeming

As the name suggests, the Application_Start event fires when the application starts. It doesn't run again until the application is restarted. It will also potentially run before any user has logged in, which would mean you wouldn't have a cookie...

Asp.net MVC text to speech on client

23 Apr 2020 by Richard Deeming

The Javascript speech synthesis API works in all modern browsers: SpeechSynthesis - Web APIs | MDN[^] The supported languages will vary depending on the browser. For example, on my PC, Firefox only supports English, but Chrome (and by extension...

Creating Real Time App with ASP.NET Core SignalR and React in Typescript

7 Apr 2020 by Vikas Sharma

Scrum poker app using ASP.NET Core SignalR 3.1 with React in Typescript

How do I convert signalr + SQL server ASP.NET MVC to ASP.NET web aplication

5 Apr 2020 by koklimabc

for working with getAllMessages() You need to create Web Api function by create a new Message.svc file under Root directory with below, [WebMethod] [WebInvoke(Method = "Get", ResponseFormat = WebMessageFormat.Json)] public...

How do I convert signalr + SQL server ASP.NET MVC to ASP.NET web aplication

5 Apr 2020 by kryptonita

I took an example https://github.com/venkatbaggu/signalrdatabasenotifications/tree/master/SignalRDbUpdates where SignalR is used with SQL Server. The example works perfectly, however, and in Asp.net MVC. I'm trying to follow the same example by...

How do I convert signalr + SQL server ASP.NET MVC to ASP.NET web aplication

5 Apr 2020 by koklimabc

under your NotificationHubs.cs, context.Clients.All.UpdateMessages(); Must change the small letter "u" to "U" In order to verify Signarl is whether working or not, you need check if setting is followed as bellow. under your...

Connecting to SignalR Host

31 Jan 2020 by SohaibX

Hello,I'm pretty new on SignalR, I've Self-Hosted a signalR at http://localhost:8080Let's say my computer's IP is 192.15.15.15. I Need my client to connect to this host, with IP Address like http://192.15.15.15/signalr but when I try to connect I get the errorBad Request - Invalid...

How to add alerts to azure resources using ARM templates?

13 Nov 2019 by Anil K. Choudhary

Hey, There are multiple ways to add alerts through code please use below ARM Template. ARM Templates { "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#", "contentVersion": "1.0.0.0", "parameters": { "alertName": { ...

How to add alerts to azure resources using ARM templates?

13 Nov 2019 by madhukrishnahere

Instead of creating alerts in every environment for Azure resources, need to add alerts for the following resource through ARM templates. API Management Service App Service SignalR Key Vault Azure Storage Cosmos DB Kubernetes Service What I have tried: I haven't found proper references for...

Signalr - cant connect to server from client

30 Oct 2019 by RickZeeland

I had a similar problem that strangely occurred on some computers: the first try fails and the second try works. Never found the cause but "solved" it by adding a retry. It also baffles me that there is so little information about these sort of Signal problems on the internet. You might be...

Signalr - cant connect to server from client

29 Oct 2019 by gan chee siang

Hi everyone, who can help me why cannot connect to server side from client side? keep showing "Response status code does not indicate success: 404 (not found)" What I have tried: startup.cs using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using...

Why is the data transfer speed from the server being cut during the stream?

3 Oct 2019 by Gerry Schmitz

Upload speed is always slower than download speed; as much as 10x slower. And you can't compare "local" traffic (SQL Server Express) with traffic over the internet. Particularly if you're handling multiple streams. If you've got some "slower" network cards, switches or hubs in the mix, that...

Why is the data transfer speed from the server being cut during the stream?

3 Oct 2019 by Михаил Матясов

Why is the data transfer speed from the server being cut during the stream? 12 minutes ago|LINK|95.79.163.30 There is an ASP. NET application running on a VPS server. (Channel width 200 mb \ s). It works as follows: data is transferred from the client to the server and immediately to the...

Windows 2019 firewall blocking windows service with signalr

2 Sep 2019 by nortee

Hi, I am trying to host a windows service containing a signalr hub which has a custom port number (in my case 7777) on windows server 2019. However, the firewall is blocking my calling systems (.net clients) from calling the hub in the service at all. The network is the only place where this...

Pull file from client machine folder

28 Aug 2019 by kedar001

In my application, file editing is done using a shared folder on server. but which is a security risk. is there any other way to edit Microsoft word file. or is there any way to upload file from downloaded folder or any temp folder from client machine without user interaction using any...

Pull file from client machine folder

28 Aug 2019 by Afzaal Ahmad Zeeshan

Quote: file editing is done using a shared folder on server. but which is a security risk. It will be a security risk as long your users can edit the files anonymously. You must try requiring them to login before they can access the resources and suddenly this will be a beautiful feature in your...

How to connect an MFC desktop app to a sgnalr server written in C# ?

6 Aug 2019 by patfr11

Hi, I have an MFC app that I need to connect to a SgnalR server written in C#. I don't find any example of SignalR client code in C++, everything is in C#. Could somebody help ? Thanks What I have tried: I have installed the Microsoft.AspNet.SignalR.Client.cpp.v1.40 as seen somewhere else but...

How to connect an MFC desktop app to a sgnalr server written in C# ?

6 Aug 2019 by MadMyche

30 seconds of google found this: GitHub - SignalR/SignalR-Client-Cpp: C++ client for ASP.NET SignalR 2.x[^]

Simple SignalR Server and Client Applications Demonstrating Common Usage Scenarios

16 Jul 2019 by Mustafa Kok

SignalR server and client applications for demonstrating common scenarios like connecting, disconnecting, joining and leaving groups, sending messages to all clients, to specific or group of clients

Azure signalr service question

29 May 2019 by 855

I created a signalr service on Azure. I'm trying to connect it from C# client. Below is the code sample i found, something i don't understand is when Azure SignalR already used(app.UseAzureSignalR), why map it to a local Hub(Chat)? will the Chat.cs be hosted on azure? startup.cs...

Azure signalr service question

29 May 2019 by Gerry Schmitz

2 problems: 1) I "found" 2) I don't understand Quote: Below is the code sample i found, something i don't understand Quickstart to learn how to use Azure SignalR Service | Microsoft Docs[^]

Signalr not triggering C# event on changes in db table

16 May 2019 by Codes DeCodes

I am using signalR for notification i.e. when record is inserted in table, I have to inform user in my app as new notification. My code goes like this: I global.asax file in Application_start(): SqlDependency.Start(@"data source=DESKTOP-591MN5Q\SQLEXPRESS01;initial...

Signalr not triggering C# event on changes in db table

16 May 2019 by Codes DeCodes

I found the solution. Just in case if this solution will help someone else in future. No db owner existed so this issue was caused. I changes db owner and now every thing is working as required.

Trying to create a signal R chat application but gives an error saying $ is undefined

22 Apr 2019 by Sean2299

SignalR Simple Chat .container { background-color: #99CCFF; border: thick solid #808080; padding: 20px; margin: 20px; } ...

Trying to create a signal R chat application but gives an error saying $ is undefined

22 Apr 2019 by ZurdoDev

F-ES is correct. You need to load jquery first. $ undefined means it can't find the jquery library. Or maybe you are loading too many jqueries. You'll have to troubleshoot, as F-ES listed, to find out what exactly is causing it if you think you are loading it in the right order.

The remote certificate is invalid according to the validation procedure

26 Mar 2019 by Member 13444435

Hi Richard, this does only eliminate some exceptions, but I still get the exception that the remote certificate isn`t valid. If I start the Web.AuthServer and afterwards only the Web.ApiServer everything is fine. But the Web.ApiServer tries to get a SignalR-Connection to Web.ApiSwitch and if...

The remote certificate is invalid according to the validation procedure

26 Mar 2019 by Richard Deeming

If you want to use a self-signed certificate, then you'll need to bypass the certificate validation. There are several suggestions in this StackOverflow thread[^]. For example: using (var httpClientHandler = new HttpClientHandler()) { // NB: You should make this more robust by actually...

How to show incoming text sms coming from twilio api in ASP.NET MVC using signalr without refresh page

11 Mar 2019 by Sukhwinder Lagah

How to Show incoming Text Sms coming from Twilio api in asp.net mvc using signalR without refresh page What I have tried: I have tried .net with signalR and load content using jquery ajax

Signal r - progress bar only show only current users progress bar

4 Mar 2019 by traci dukes

Hi, Can you share with me how you got the progress bar fixed to not display in a multi-user environment. I have been trying use clients.client(connectionId) to limit progress bar to current user but it is not working. Any help would be much appreciated. Thanks Traci Dukes What I have tried: ...

I want to implement chat functionality in my ASP.NET MVC 5 application without signalr and without any third party framework like twilio and others

9 Oct 2018 by Member 13441472

please help me to implement chat functionality in my MVC 5 asp.net application. and client do not want to use signalR and any other third party frameworks. give me some ideas to implement or how can i start. thanku in advance What I have tried: i did't tried anything, i want to start from scratch

I want to implement chat functionality in my ASP.NET MVC 5 application without signalr and without any third party framework like twilio and others

9 Oct 2018 by Vincent Maverick Durano

You would need to implement a JavaScript polling to ping your server within a given time. For example, you write a JavaScript function that performs an AJAX request to your server to fetch the data. You may need to use setInterval to ping your server every seconds. One example is this: ASP.NET...

I want to implement chat functionality in my ASP.NET MVC 5 application without signalr and without any third party framework like twilio and others

8 Oct 2018 by summiya1

Check this out Simple Chat Application in ASP.NET[^]

I want to implement chat functionality in my ASP.NET MVC 5 application without signalr and without any third party framework like twilio and others

7 Oct 2018 by F-ES Sitecore

I googled "asp.net chat application" and this was the first result https://pusher.com/tutorials/chat-aspnet/[^] I'm sure if you google yourself you'll find many more.

How to pass/share user specific data between two different web applications

19 Sep 2018 by Member 13990481

I have two different web applications that need to transfer data between them. After reading about SignalR, I'd like to give this a try but I am not sure if its a good fit. The examples I found not really matches my requirements. I did not find much documentation on how to do this. Any advice on...

SignalR Chat App With ASP.NET WebForm And BootStrap - Part Three

18 Sep 2018 by Altaf Ansari

SignalR Real-Time ChatApp with Emoji / Smiley and sending file attachment

Signalr javascript client error: dynamic file not generated

11 Sep 2018 by Member 13769611

Here is the screenshot of runtime project that contains signalR. https://i.stack.imgur.com/hzzEo.png[^] There is no hubs file generated. I am getting the most common javascript error That is also shown in picture. Please advice something on this. The code is the sample code from microsoft...

Signalr javascript client error: dynamic file not generated

11 Sep 2018 by Member 13769611

Finally got the answer. I was trying every possible thing I got on internet and then one thing worked. and that was in this line [HubName("myHub")].. I had this name as [HubName("MyHub")] before and so the error. [HubName("myHub")] public class MyHub : Hub { public void Send(string...

SqlDependency OnChange Event Fires many times for every single event on Database

11 Aug 2018 by Arsenije Arsenijevic

I know the question is old, but I see it's not answered, just referenced to a working example. You're creating new SqlDependency objects on each call of the GetAllUsers method (which I presume is not called just once) and not stopping the old-ones. This results in multiple SqlDependency objects...

SqlDependency OnChange Event Fires many times for every single event on Database

11 Aug 2018 by Member 11467752

I'm developing a notification system using SqlDependency and signalR, the problem I can't deal with is when I change the attribute value "IsOnline" in DB to True or False based on attendee status, OnChange event fires many times, first time a new user log in I get two notifications then the...

Turn Your Razor Page Into Reactive Form

1 Aug 2018 by dsuryd

How to create a powerful reactive form on an ASP.NET Core Razor Page in MVVM style, with field configuration and validations written in C# and communicating with SignalR.

Asp.net signalr database update notifications in repeater?

19 Jul 2018 by Vincent Maverick Durano

Quote: I'm pulling the data, but I can't print it Repeater. See if this will work for you: https://www.aspsnippets.com/Articles/Bind-Populate-Repeater-control-with-JSON-object-using-jQuery-AJAX-in-ASPNet.aspx Essentially, Data Representation Control such as Repeater is a Server Control....

Asp.net signalr database update notifications in repeater?

19 Jul 2018 by Smthm

I can't pull the data into the Repeater. To use the data, I need to transfer it into the repeater, not the table. I've been calling online for days, but I haven't found an answer. What I have tried: $(function () { // Proxy created on the fly var job =...

How do I send a signalr message to an MVC client from a web controller

13 Jul 2018 by Tony Girgenti

I can't say that I figured this out, but I did manage to get it to work by testing different coding strategies especially inspired from this article[^] by Dino Esposito. I created a button to "GetProducts" and modified the bottom "div" in the AccessToken.cshtml file like this:

How do I send a signalr message to an MVC client from a web controller

13 Jul 2018 by Tony Girgenti

Hello, I have an Asp.Net Core 2.1, MVC Web application in Visual Studio 2017 15.7.5. I have been trying to figure out how to send a single SignalR string text message to an MVC View.cshtml from the controller method that is invoked from the MVC View using this type of link:...

How to dispaly updated records in view page using signalr?

17 Jun 2018 by Member 11933660

Using SignalR need display updated records without refresh page i tried using signalR not working depenedncy on change event please help on this What I have tried: using SignalRDbUpdates.Hubs; using System; using System.Collections.Generic; using System.Configuration; using System.Data;...

Jquery ASP.NET masterpage problem signalr

7 May 2018 by Herman<T>.Instance

Issue is solved. It was a caching thing in the browser...

Jquery ASP.NET masterpage problem signalr

7 May 2018 by Herman<T>.Instance

Hi Folks, in my asp.net website I have signalR installed and when an exception is recorded in the Errors Table of my MS SQL Server the SqlDependency is run, the error is received from the db, the ErrorHub sends the message to all context.Clients.all.... My page shows a pnael with the message...