448 questions with Developer technologies | ASP.NET | ASP.NET API tags
context deadline while posting notification through API https://dm3p.notify.windows.com?token=xxx
got many timeout when using wns for push since about 28.11 9:00(utc+8) api: https://dm3p.notify.windows.com?token=xxx I have been using this function for a year without any problems. This timeout problem has occurred since around 9:00(utc+8) this…
Developer technologies | Universal Windows Platform (UWP)
Developer technologies | ASP.NET | ASP.NET Core
Developer technologies | ASP.NET | ASP.NET API
OpenTelemetry with App Insights Profiler
Hello, We migrated our project to OpenTelemetery from application Insight. Of course, AppInsight is our Exporter now. However, I don't want to lose the "Service Profiler". So I installed ONLY…
Developer technologies | ASP.NET | ASP.NET API

How to fix "Operation is not valid due to the current state of the object."
When I use aspnet-codegenerator I get this error even though I could use it normally before. How can I fix it? Thank you everyone !!
Developer technologies | ASP.NET | ASP.NET API
How to add API Authentication and authorization in web server (Kestrel - Self hosted) created in .Net Standard 2.0.
I want to add API Authentication and authorization in our web server (Kestrel - Self hosted) created in .Net Standard 2.0. I want to use Windows authentication here. We found that this can be done using the AddNegotiate() in…
Developer technologies | ASP.NET | ASP.NET API
Operation Not Supported on This Platform When Consuming WCF Service in .NET 8
untering the error "Operation not supported on this platform" while attempting to consume a WCF service from .NET 8. The service is built in .NET Framework with wsHttp security. The implementation involves passing a username, password, and a…
Developer technologies | ASP.NET | ASP.NET API
SAML Access Denied from Azure AD - Localhost Sustainsys Setup
I am trying to set up an SAML based authentication using ASP.Net framework 4.8. But after login i am returning back to my localhost site and getting error like https://localhost:44353/Saml2/Acs?error=access_denied . I have assigned users and all the…
Developer technologies | ASP.NET | ASP.NET API
How locate Web.config file
This question is related to the following Learning Module
Developer technologies | ASP.NET | ASP.NET API
Unhandled exception in CoreCLR
The following error was raised in IIS on Production Server. Application: w3wp.exe CoreCLR Version: 8.0.724.31311 .NET Version: 8.0.7 Description: The process was terminated due to an unhandled exception. Exception Info: exception code c0000005, exception…
Developer technologies | ASP.NET | ASP.NET API
Web App taking high CPU when I am loading a particular web page.
My web app CPU going high when I am uploading a web page while the copy of uploading page working fine without any issue of CPU. Actual Page = mpn Page Copy = mpn1 I don't know what's going on
Developer technologies | ASP.NET | ASP.NET API
how to show web api data in my sql
Hello We Have One Webapi running fine when we enter this url localhost/testapp/api/values/getdata now we need to insert this data automtically in my sql table how to do so please guide step by step { "Table": [ { …
Developer technologies | ASP.NET | ASP.NET API

aspx How to open one page from within another page
I am Working on ASPX Pages in Visual Stodio with vb.net code now i am trying to open a page (a from) from within an open page, which code can accomplish this? Thanks in Advence
Developer technologies | ASP.NET | ASP.NET API
How to fix ASP.NET Core WEB API ? localhost error
I am trying to run an API test first but then whenever i tried to run it it gives me this error localhost cannot be found even on the localhost:5125 still wont run
Developer technologies | ASP.NET | ASP.NET Core
Developer technologies | ASP.NET | ASP.NET API
Best way to query Azure Synapse serverless/dedicated pool from .Net core 8 API
I am developing a .net core 8 API which retrieves data from Azure synapse dedicated pool and serverless and send as api response. I am using EF core now for the repository which queries the synapse using eager loading. But since the entities are huge and…
Developer technologies | ASP.NET | ASP.NET API
error in asp.net
i configoring ny project of asp.net and code vb.net i got this errror Error in project-level import 'app.config' at 'app' : 'app' is not accessible in this context because it is 'Friend'. i dont have in my project a file named app.config how can i…
Developer technologies | ASP.NET | ASP.NET API
Is there a way to expose a single aspx page for anonymous access in a .NET 4.7.2 ASP.NET Web Forms running with Azure AD Authentication?
We have a .NET 4.7.2 ASP.NET Web Forms application deployed under IIS running with Azure Active Directory Authentication. The web app is registered as an application on Azure AD and requires users to login before accessing the site. Is there a way to…
Developer technologies | ASP.NET | ASP.NET API
Do Dev Tunnels Have an HTTP Timeout Issue?
Using a dev tunnel to connect a Mac client app to an ASP.NET service running on a PC has raised a timeout issue. One API call takes about 70 seconds to complete, but when the client runs on the Mac via the dev tunnel, an HTTP timeout occurs after 60…
Developer technologies | ASP.NET | ASP.NET API
CORS Policy Blocking POST Request in ASP.NET Core Minimal API with IIS Express (GET Works)
I'm developing an ASP.NET Core Minimal API using Visual Studio 2022 and running it with IIS Express. While GET requests work as expected, POST requests are being blocked due to CORS policy. Access to XMLHttpRequest at 'https://localhost:44302/api/xxx'…
Developer technologies | ASP.NET | ASP.NET API
how or where a sync function in a web API controller can help me?
hi, I just made one web API with core 9 with entity framework and all actions, i found that all the methods are made with a sync. q1) so my question is where or how it can help me , because in my case i call my controllers action methods from java…
Developer technologies | ASP.NET | ASP.NET API
Unable to Use MicrosoftReport Viwer in containerized environment
HI team , I am have a Asp.net application with 4.7.2 version and my reporting relay on RDLC and XSLT templates , with microsoft reportviewerversion 15 , I am trying to Run in a containerized Environment with ECS on AWS Fargate with windows support ISSUE…
Developer technologies | ASP.NET | ASP.NET API
Azure web app call wcf 404
Why is it that after deploying an asp .net web app to azure web app, https://hk-np-focz-aps-ipe-dev-grg5a4dndackdrge.eastasia-01.azurewebsites.net/PriceTag.svc?wsdl can be accessed, but the call interface returns HTTP/1.1 404 Not Found. The local call to…