Category "c++sharp"

Visual Studio .net core tag helpers not working

Well, lets get down to it. I'm using Visual Studio 2015 and ASP.NET core tag helpers have completely stopped working, no idea why as I've not changed anything.

asp.net web api: action filter attribute is thread-safe by default?

Can some one confirm me that asp.net web api action filters are singleton/instance based by default? In asp.net core, I observed that it has one instance by def

How to make auto generate number for text box in C#

I want to Insert auto generate number show in textbox when form is loaded (like 000000001) in database that not define primary key and if table number found 0

Unable to verify checksum for avformat-58.dll

The following is a crash dump produced by my video streaming application written in .NET Core 3.1 with Windows Forms 32-bit. I'm trying to workout how to best i

returns 403(forbidden) when using authentication scheme in .net core

I am doing authentication in my web application with JWT Security Tokens and a custom authentication scheme. I'm generating tokens when a user login I created

Passing @Html.DisplayFor() - values from view to controller

I'm having these classes: public class ProductViewModel { public IEnumerable<Product> Products { get; set; } } public class Product { public in

ECDH with HKDF using c#

What is the best way to implement a elliptic curve diffie hellman using HKDF as key derivation function in windows using native windows functionallity. I couldn

How can i make dll.config to be part of Nuget package

Since dll.config is not supported by .NET and while creating nuget packages dll.config are not part of the package. Is there a way that i can have dll.config a

Save Mail in MIME format (*.eml) in Outlook Add-In

I want to write a little Outlook addin (C#), which saves a selected mail (MailItem) to disk in plain MIME format (.eml). The MailItem.SaveAs() method only allow

Does cross-platform C++ require building separately on every single platform?

My question actually has two variants, but for some context, I have a C++ *.DLL that I use with Unity using P/Invoke. It's built on Windows 10 with MSBuild (pla

Learning Mongodb and having a simple issue with MongoDB

I have the following C# code as I'm learning MongoDB but I get the following error even though this code is straight out of the mongodb documentation! Is there

ASP.NET Web API and OpenID Connect: how to get Access Token from Authorization Code

I try to get OpenID Connect running... A user of my Web API managed to get an Authorization Code of a OpenID Connect Provider. How am I supposed to pass this co

Designer View Disappeared (Visual Studios C#)

I am making a soundboard and I accidentally closed the design view tab for it. I pressed shift + f7 - nothing happened. I right clicked on forum1.cs in Solutio

Using the testing tools, need to write a function that makes the test cases pass for IndexOf with a string and a character

I have the test cases that my teacher wants us to implement using testing tools available in Visual Studio: str c Result ________________________ null

JSON.Net serializing Enums to strings in dictionaries by default - how to make it serialize to int?

Why does my serialized JSON end up as {"Gender":1,"Dictionary":{"Male":100,"Female":200}} i.e. why do the enums serialize to their value, but when they form th

DataTables warning, Requested unknown parameter 'CustomerID' for row 0, column 0

I'm trying to implement datatables to my MVC ASP.NET Core with MySql project so i followed a step-by-step tutorial but i can't fix this error: " DataTables warn

Does a SQL connection close with "using" if the connection comes from a static class?

Am I closing my SQL connection correctly, by placing it inside a "using" block? This is how I grab a new connection, execute a query, and return the results:

ASP.NET Core Dependency Injection error: Unable to resolve service for type while attempting to activate

I created an .NET Core MVC application and use Dependency Injection and Repository Pattern to inject a repository to my controller. However, I am getting an err

Extent Reports won't provide the report for me

I'm trying to provide a report for a simple QA Method but the code wont generate any report for me, please help! namespace CasinoClubTests { [TestFixture]

Call a method on a dynamic object by name

I'm trying to create a "wrapper" around a dynamic object so I can keep method names on dynamic object matching the names of the methods in the wrapping class.