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ASP. NETA WEB API not showing on solution node
I'm a novice but in the solution node I have 3 projects, now I want to add the asp. Net web api but upon clicking create it loads succesfully but the project itself is not seen in the solution node, my projects remain 3/3 instead of 4/4 in short heres a…


Controller necessary for creating database / Entity Framework
if I create a property set under models and list it in the context class and run a migration and database update the database is not created (as observed through MSSMS). If I create a controller using entity framework in between creating a property set…


Getting error while uploading video on video indexer portal.
Hi, I am trying to upload a video on the Video Indexer portal through Indexer API but this is throwing the below error. The same URL is uploading the video on the indexer portal through Postman…


printing a pdf file embedded on web page
I have a pdf file embedded on a web page. I want to put a print button the web page so that the end user can print the pdf file. How can I achieve this. below is the code for embedding the pdf file on web browser: using (MemoryStream stream = new…


ASP.NET Core MVC : complex data model reading related data
I am trying to display a drop-down on my DEVICES create.cshtml view of the names from CONTACT via the lookup table DeviceAssignments, below is an ERD. I am already able to display the drops downs for DeviceCategories and DeviceLocations, but I am not…


Vsiaul Studio debug services on Docker-Compose not starting
Hi, I try to debug 3 services using Docker-Compose in VS 2022. ServiceC depends on ServiceB which depends on ServiceA. All of these "depends*on" use condition: service_*healthy and every service has a healtcheck. VS will only start container A…
Failed to get appDefinitions
I have 5 apps in the Developer Portal app. But I can't access to view the app detail. All the apps throw the error. Failed to get appDefinitions (Tracking info: ea546b4a-cddf-41d0-bb46-47743858451b_47 Tue, 14 Mar 2023 04:19:48 GMT | Status code:…


Blazor Web assembly application is not running in iOS and macOS ?
I have Blazor Web assembly application with azure active directory login and it works on my local machine, local IIS but when I published it on server. and try to login in iOS it redirects me to login-failed URL every time. and azure ad popup not shown.
Managing UI CRUD Operations With High Number Of Parent/Child Entities
Hello, I am creating a Knowledge Base application using .Net Core 6, Razor Pages (Non-MVC), Entity Framework Core and SQL Server. I have created a Repository Pattern and am using Unit of Work, in an N-Tier architecture. Each Knowledge Base…


String interpolation using $ throws System.NullReferenceException on .Net7
We have in my team just upgraded to .net 7 from 6, but we have run into a issues with string interpolation using $"Text {sample}" We are all developing on Intel Macbook Pro's using both Visual Studio or JetBrains Rider. But since the upgrade…


How to obtain https certificate information using HttpClient
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://xxx.com"); //request.UserAgent = "Mozilla/5.0 request.Method = "GET"; …


Correlation failed, cookies not found using OpenID in ASP.net core MVC 6
I am getting the below error in my ASP.net core MVC 6 application, my application is using Keycloak and is running in a docker container. We connect to Keycloak using OpenID, but after logging in Keycloak this error occur warn:…
ASP.NET Core MVC with Identity - ArgumentNullException: Value cannot be null. (Parameter 'value') on signInManager.PasswordSignInAsync
What's up everyone, I've been having this issue when implementing Identity authentication to my app. This is the error I get: ArgumentNullException: Value cannot be null. (Parameter 'value') System.ArgumentNullException.Throw(string…


Can not log in into my Mobile App when the Web API is behind a Front Door
Hello, My Mobile App (Xamarin Native) uses WebAuthenticator for authentication with different identity providers - Microsoft, Google, Facebook, Twitter. There is an AuthenticationController on my Web API the WebAuthenticator makes a call to. After that a…


How to log request header information for SoapCore web service call
Development details .Net 6 SoapCore (1.0.0) Currently, I am implemented IClientMessageInspector and IEndpointBehavior Interface to log SoapCore web service call request response (Only request message and response message). Using this implementation…


user getting error when refreshing data from sql server database using excel
Users are getting the error when they refresh data from sql server. They are using excel tool to pull the data. See the below error. DatasourceError: Microsoft SQL: A connection was successfully established with the server, but then an error occured…


Cookie(OICD authentication) is not removed when Browser is closed in ASP.NET Core App
Hello, I have an older ASP.NET Core App that uses OICD Authentication and it's Cookie. Problem is that when old .NET Core 2.1 was updated to .NET Core 3.1 that Cookie stayed to live in Browser although Browser was closed. E.g. Logging into App and then…


I faced an error "Application '/LM/W3SVC/2/ROOT' with physical root '######' failed to load coreclr." after upgrading my site to DotNet 6
I have upgrade my site from DotNet Core 2.1 to DotNet 6. It seems to work fine for couple of days. Then it started to crash in random interval of time. I checked in the Event Log to find out the cause of this issue and I found the following error…


How to embed textbox into powerpoint using openxml?
I am trying to embed textbox into slide,but my pragram does not work. I am looking forward your help. This is my code. public void AddShape(Slide iSlide, long x, long y, long width, long heigth, D.ShapeTypeValues shapeType, string rgbColorHex) { …
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