Category "c++sharp"

NET 5 and EF: how to use AddPooledDbContextFactory in liu of DbContext in services

I recently came across AddPooledDbContextFactory concept as part of my NET 5 self-education piece and am keen to implement it properly. However, I am not sure h

Generically Register All Concrete types for Lazy Loading in DI

I want to setup Lazy Loading of registered types in a generic way that does not require me to register each one individually. I can create an extension method t

C# REST API File Upload from Client Code gets 400 Bad Request

I have a Rest API written in .Net core that accepts a File as input as Multipart/Form-data. The API works absolutely fine when I run it from Swagger/Postman. He

MemberNotNullWhen (or other code analysis attributes) for inherited members?

I have a class: public abstract class InvestorAccount { public bool IsRegistered => ...; } And a subclass: public class PrivateInvestorAccount : Investo

`Failed resolution of: Lcom/google/android/datatransport/TransportFactory` when using Xamarin.Firebase

I'm creating a .NET MAUI application using the current preview 11. When I tried to implement Push notifications I added the Xamarin.Firebase.Messaging package a

What is the best practice to handle long external process in ASP.NET page?

An example will be something like: User clicks a button on a webpage I created with ASP.NET. My app calls an API hosted on a third party server. The user sees

How to save values in appsettings.json fetched from UI display

For UI, I am using Extjs, for server side, C#. My problem is i have a appsettings.json property under HubSettings, LiveStream is the property and it has Url, an

Binding section from appsettings.json to options

So I was trying to follow the Microsoft Docs, Options pattern in ASP.NET Core however for the life of me I can't seem to correctly get the "AppSettings" section

.NET Worker Service: Failure processing application bundle, bundle header version compatibility check failed

I've developed a Worker Service in .NET (.NET 5) which runs successfully. I'm then publishing the application using the following publish command. dotnet publi

Specifying cs file to build with dotnet CLI

Suppose I have two files in my current working directory: // file1.cs Console.WriteLine("file1"); //file 2.cs Console.WriteLine("file2"); In powershell, I do

New controller does not respond to requests

I created a new project from the ASP.NET Core Web API template in Visual Studio, and attempted to add a new controller, but I get a 404 response with this messa

404 error after scaffolding identity library of an ASP.NET Core 6 MVC project

I am using .NET 6. Every time I scaffold Identity, the application stops working. My Startup class is like this: using BulkBook.Data.Data; using BulkBook.Data.R

In Unity, how do you create a collection of pointers?

Is it possible to create a list or array of pointers in C#? I want to have a list of T* rather than use IntPtr because i am forever having to type Marshal Ptr T

How can i get Salesforce soql query results to a datatable?

I have a soql query: SELECT Amount, Id, Name, (SELECT Quantity, ListPrice, PriceBookEntry.UnitPrice, PricebookEntry.Name, PricebookEntry.product2.Family FROM

How to change a property of a specific element in a DataTemplate from code behind?

I have a bug in my code. FindChild<T>() is searching a Element which is named "PasswordTextBox" but because "PasswordTextBox" is in the DataTemplate there

compare user draw to a bitmap defined

I'm trying to build an app like StrokePlus using bitmap to be able to check between two images if they're the same visually. The user can draw on the whole scre

Why does commandTimeout raise SqlError in IDbConnection.Execute?

I have an IDbConnection to a SQL server and two stored procedures I would like to start from a console app using the Execute method on the open connection. When

How to get navigation properties with [Owned] attribute Tracked in Entity Framework Core

I got EF tracking turned off by default on my project. I got a DB model class UserModel: public class UserModel : BaseAdminDbModel { [Key] p

How Do I Get the Assigned Drive Letter When Mounting an ISO with WMI in C#?

This is the code that I am using to mount the ISO // With help of WMICodeCreator ManagementObject mo = new ManagementObject("root\\Microsoft\\Windows\\Storage",

Do a Raycast after Raycast-positioned object

I have a code that allows to position an object onto the other object by Raycast. Obviously, I am using Mesh Collider so everything works fine. Ray ray = new Ra