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I want to request a token using the clientID of a user-assigned managed identity as the scope, so that the token I receive has the clientID as its audience. To achieve this, I used the following code in C#: var credential = new DefaultAzureCredential(new DefaultAzureCredentialOptions { ManagedIdentityClientId = clientID }); var token = await credential.GetTokenAsync(new TokenRequestContext(new[] { $"{clientID}/.default" }) { }); This code is...

I have a string in format of 123*7?8 Where, the symbol ? means it can have any digit in its place. And the symbol * means that any number with a maximum length of 3 characters or nothing can stand in its place. I'm doing some sort of combination of numbers. The problem is that I don't know the length of the string because...

Some prerequisite information: dotnet version: 7.0.36 Now to my problem: I was working on my project which makes use of Angular in the frontend and C# in the backend. I have added Authorization and Authentication using JWT Bearer tokens. After receiving the token when i logged in, i created an Angular Interceptor that sends the token every time a request is sent. What confused...

I am getting the below error in jenkins. In my c# solution, i have 2 projects... --> One is the main project - .netframework 4.8 - Windows Application (which contains the package Dapper). --> Another project is the test project - .netframework 4.8 - Class library (which contains Nunit packages Nunit, Nunit Console runner and Nunit3 Test adapter). I think some conflicts happening between...

I'm trying to write a serializer for my classes, so that any properties are mapped to a byte writer. I need to loop over List<> properties for each item in the actual list, right now WriteCollectionPropertyToWriter just writes it once. How can I make this method (WriteCollectionPropertyToWriter) basically do this recursively for each item? Here is the full class public class NetworkPacketSerializer { public...

We have a .NET 6 application which makes requests to a third party API. About a month ago, requests from most of our computers started failing. The error we get is "System.Net.Http.HttpRequestException: An error occurred while sending the request. ---> System.IO.IOException: The response ended prematurely." That's it, that's the whole error. No inner exception, unless I don't know how to log it properly. We...

private (string Message, CMCBPostingResult Result) PostData(string postUrl, string cookie, GlTranClass data) { } Can anyone explain, is it method in C# or what else? I'm trying to understand it, I don't know how to find the same tutorial

I am trying to get the value of my column authID so I can authenticate the user authority in my login form. Please help me I'm new to Linq. Thank you. This is my code acpEntities db = new acpEntities(); public void authenticateUser() { var sqlQuery = db.user_tbl.SqlQuery("OPEN SYMMETRIC KEY encryptUserPass DECRYPTION BY PASSWORD = 'pa$$w0rd'; SELECT userID, username, pass = CAST(DECRYPTBYKEY(pass) AS nvarchar),...

My algorithm private void UpdateInventory() { List<byte> indexes = new(); for (int x = 0; x < Inventory.Count; x++) { if (!indexes.Contains(Inventory[x].ID)) { indexes.Add(Inventory[x].ID); for (int i = x + 1; i < Inventory.Count; i++) { if (x != i && Inventory[x].ID == Inventory[i].ID && Inventory[x].amount < 99) { if (Inventory[x].amount + Inventory[i].amount > 99) { Inventory[i].amount -= 99 - Inventory[x].amount; Inventory[x].amount = 99;...

I have some WebSocketHandler which periodically sends changes. Each time when I send a notification, I log how many connections there are and for each connection, I write a log. This works fine for 20-25 hours, and suddenly the foreach stops going through some connections. Example of logs: 2024-04-11 00:00:12,453 Sending session information to Players:28 Clients:28 Connections:28 2024-04-11 00:00:12,763 Sending session information for ba3fef0d-04c8-494d-9323-43ceffac0e24...

I'm in the process of writing a Discord bot using C# with Dsharpplus. At the moment I have a command that adds to a dictionary and if i test its been added within the command there is no isse. But when i try to access it from the component interaction method in Program.cs it gets stuck thinking. For now I'm keeping it simple and...

I have an application in which I will request some files from some servers. I Have N servers and from each server I will request X files, where X is different for each server. The method to request files from servers is async, from the HttpClient. I was thinking in some options: Option 1: foreach and await each iteration public class Application { private...

I have an Unity Project, In that Project, i need to Type Urdu Texts in Text and TMP Component, I tried to Find Unicode for Urdu Font, but i didn't Get. So Anyone tell me that, How to find a Unicode font that includes Urdu characters?

I'm working on comment on the product details page. I want to display all the comments of that product. Usually, I use ViewBag to select all the comments : ViewBag.Comment = await _context.ProductComments .Where(n => n.ProductId == sp.ProductItems.ProductId) .ToListAsync(); And then in the view : IEnumerable<ProductComment> listComment = ViewBag.Comment as IEnumerable<ProductComment>; @foreach (var comment in listComment) { <div> <p>@comment.Detail</p> <p>@comment.CreatedBy</p> <p>@comment.CreateDate</p> </div> } But...

I've bumped into such kind of issue and don't know how to solve it. here is log file: Recoverable System.ArgumentException: Value does not fall within the expected range. at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo) at Microsoft.VisualStudio.Shell.RunningDocumentTable.UnlockDocument(_VSRDTFLAGS lockType, UInt32 cookie) at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.ProjectFrameOpenCloseListener.FrameEventsLifetime.<>c__DisplayClass20_0.<b__0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Threading.JoinableTask.CompleteOnCurrentThread() at Microsoft.VisualStudio.Threading.JoinableTask1.CompleteOnCurrentThread() at Microsoft.VisualStudio.ProjectSystem.ProjectMultiThreadedService.ExecuteSynchronously[T](Func1...

Getting a null object from Automapper [09:25:23 ERR] System.NullReferenceException: Object reference not set to an instance of an object. at lambda_method501(Closure, Object, RoomLogic, ResolutionContext) at AutoMapper.Mapper.MapCore[TSource,TDestination](TSource source, TDestination destination, ResolutionContext context, Type sourceType, Type destinationType, MemberMap memberMap) at AutoMapper.Mapper.Map[TSource,TDestination](TSource source, TDestination destination) at AutoMapper.Mapper.Map[TDestination](Object source) Here is how I map: var roomLogic = mapper.Map<RoomLogic>(room); Profile: public class RoomProfile : Profile { public RoomProfile(IServiceProvider serviceProvider)...

I'm trying to implement this decryption method from java to c#: https://github.com/ecsec/open-ecard/blob/f66ae48e7bbb2bb27a524e12d3febabf162c17c7/ifd/ifd-protocols/pace/src/main/java/org/openecard/ifd/protocol/pace/SecureMessaging.java#L198C3-L198C90 /** * Decrypt the APDU. * * @param response the response * @param secureMessagingSSC the secure messaging ssc * @return the byte[] * @throws Exception the exception */ private byte[] decrypt(byte[] response, byte[] secureMessagingSSC) throws Exception { ByteArrayInputStream bais = new ByteArrayInputStream(response); ByteArrayOutputStream baos = new ByteArrayOutputStream(response.length - 10); // Status bytes...

I want to build an application where a user will be able to create his/her own form and store it in a DB. I have a fair idea to do this on Front end and DB. Using Json input i can create a dynamic form and DB can be created. However, i am not sure how do i create APIs for CRUD dynamically. Can...

I wanted to dynamically show and hide a tab in a TabbedPage. When the app starts, all tabs are displayed correctly, but if I remove the tab and then add it again, the content of the tab is not displayed. This is how it looks on start and after readding <TabbedPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="MauiTabbed.MainPage" BackgroundColor="Yellow"> <NavigationPage Title="Home"> <x:Arguments> <ContentPage Title="Home" BackgroundColor="Aquamarine"> <Button x:Name="ToogleBtn" Text="Toogle...

I'm making a web app that consumes an API with ASP.NET Core. I'm new to this so sorry in advance if I have something wrong or I did something wrong. In the app, Users are entered with ID, DNI, NAME, AGE and EMAIL. The problem I have is that when I try to enter a user in the API in Swagger or Postman everything...

I am trying to create a plugin for outlook using c# VSTO. When I click the "From" button in Outlook in a message, a drop down list appears. I need to add some additional entries to this dropdown list. The MailItem class itself provides many features, but I have not found a way to do what I need to do. Please advise me on...

I'm not sure if I am asking this question correctly, so please bear with me as this is all very new to me. I am trying to fully grasp dependency injection in .NET Core while also trying to understand proper design patterns. I found a great tutorial (the teacher is excellent and explains things well), but the problem is that the sample application in...

Using a BlazorWebView control (introduction) inside a WinForms .NET 8 form, I do have this "Counter.razor" file being displayed: <p><button @onclick="IncrementCount">Increment counter</button></p> <p>@_counterValue</p> @code { private int _counterValue = 0; private void IncrementCount() { _counterValue++; } } Correct behavior The above code works perfectly: The user clicks the button. The variable is incremented. The page displays the new variable value. Incorrect behavior Now I...

In my webapplication I generate a token like this public string GenerateJSONWebToken(int userID, string key, string issuer) { SymmetricSecurityKey securityKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(key)); SigningCredentials credentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256); JwtSecurityToken token = new JwtSecurityToken( issuer, issuer, null, expires: DateTime.Now.AddSeconds(10), signingCredentials: credentials); return new JwtSecurityTokenHandler().WriteToken(token); } example of a result is this eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE3MTExODA4MzgsImlzcyI6IlRlc3QuY29tIiwiYXVkIjoiVGVzdC5jb20ifQ.RhoTC3sB663iulNZbC1j2DDJMCfMzUfLmVRuyU84jKE and the result is send to a client Now the client wants...