Developer technologies

.NET 10 documentation for SerializeToUtf8Bytes

Could you point me to an official reference that establishes what applies to .NET 10 for the System.Text.Json.JsonSerializer.SerializeToUtf8Bytes<TValue>(TValue, JsonSerializerOptions) overload? The specific statement I’d like to verify is that…

How to use DateTime in LINQ when it's NULL

create table mytable (Birth datetime null) public class myModel { public Datetime Birth { get; set; } } var query = from aa in mydb.mytable select new cmyModel { Birth = aa.Birth } I get a message: Nullable object must have a value; If I make the data…

Learning courses or books for "building .NET MAUI Blazor Hybirdand web app"

I want to create a new project using this visual studio template:- but i am having troubles finding online courses, books or online documentation targeting this specific template? any advice and help in my learning journey ? Thanks

Visual Studio Build Tools 2022 17.14.45: VisualStudio.vsman size and SHA-256 mismatch

Product: Visual Studio Build Tools 2022 Version: 17.14.45 (build 17.14.37906.3) Channel: Current Affected catalog: VisualStudio.vsman I am attempting to independently verify the integrity of the official Microsoft distribution before installation. The…

Microsoft Graph - Not able to assign manager to a user

Hi, Im having issues when trying to assign a user as a manger to a another user. Here is my solution: private async Task<GraphResponse> UpdateUserWithManagerAsync(GraphServiceClient client, AdUser user, AdUser manager) { …

Microsoft Security | Microsoft Graph

Microsoft Security | Microsoft Graph

An API that connects multiple Microsoft services, enabling data access and automation across platforms

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Developer technologies | C#

Developer technologies | C#

An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.

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Login failed for User

I get "Login failed for User" error in visual basic connection to sql-server. This error occurs when I move my database from one PC to another. I solve this problem by using same "PC-name" & "User-Name" of my old PC…

Combo box does not update

Hello I am building a wpf app, using MVVM (I already imported MVVM.Helpers) I am trying to fill a list with 5000 numbers, and put in in a commbo box, and for some reason is not working my app: https://github.com/eduardoagr/RsidentsManager …

Does Dotnet Net 6 Arm64 work on M1 Silicon ?

When I tried using Scaffold Dbcontext, it show there is no such a word as " scaffold dbcontext". Then I uninstalled Net 6 and installed Arm64 version on m y M1 silicon. Guess what ? It didn't work because when checked botnet version, it…

JWT Token Expiration and Authorization

I am working with a JWT in .Net Core 6.0 Web Api. I am struggling with JWT expiration time...not sure if it is being set correctly with the UTC being different from my loacl time. But I also am having an issue with not being able to run an API Method…

Developer technologies | .NET | Entity Framework Core

Developer technologies | .NET | Entity Framework Core

A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.

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Microsoft Security | Microsoft Identity Manager

Microsoft Security | Microsoft Identity Manager

A tool for managing user identities, credentials, and access across on-premises and cloud environments

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Developer technologies | ASP.NET Core | Other

Developer technologies | ASP.NET Core | Other

A set of technologies in .NET for building web applications and web services. Miscellaneous topics that do not fit into specific categories.

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How do I convert a UWP application to use Azure Maps?

I maintain a large UWP application that uses MapControl (from Windows.UI.Xaml.Controls.Maps). I didn't know that Bing map tokens were being retired until I started seeing a "MapServiceToken not specified" warning in my map views a few days…

Working with Dotnet and Sql edge on M1 mac nuget packages

Hello, Im new to mac, I have an M1 mac mini, Im using Visual Studio for M1 mac as well Recently I have Installed docker with sql edge container in it. In order to make my Web API projects more efficient, I couldn't figure it out if I need some…

WebApi - ApiKey plus JWT

I completed a couple of projects that are implemented in C# .Net 6.0 MVC, and now I'm trying to do my first web API project. This WebApi is implemented in .Net 6.0, with JWT authorization. Everything is working smoothly so far, the token is generated…

Connect .Net project to a website

Hi everyone, I want to login to a website (any website with a login screen) but instead of typing my credentials into a website's login text fields, I want my C# code to do it for me automatically. The issue is that I don't know how to connect my…

Use of IS_MEMBER function with multiple databases

Hi, I'm having the following problem cenario: 1 -StoreProcedure A in database A calls Function B from Database B 2- Function B: Return IS_MEMBER('ROLE') 3- the current user is a member of 'ROLE' on database B and not a member on Database A …

How do I create a view using existing tables from another database just like using dblinks?

Hi experts, Would like to kindly ask for help with creating a view using a query that selects from tables from another database in the same server. Thanks!

Insert button Code and Mysql data to be save and display in grdiview

I am very new and using visual studio community 2000 and mysql work bench 8.0, I am having 3 textbox names like textbox1,2,3 and 1 insert button and 1 data gridview for saving data in mysql database, i need code for insert button.. This is mysql…

MySQL to C# Connection Error

How to implement data validation in wpf by clicking submit button in a mvvm pattern

Hi I would like to get some thoughts on how to get the button in the wpf to show message when the textbox is empty . How do I go about doing it, theoretical advice would be good, I plan to code myself. I just am getting confused with should I use…

Starting/stopping windows service from ASP.NET web application problem

Hi, There is a windows service on server that can be started or stopped from asp.net web application and it worked fine since it ran under the local user account (name it AA) which is not AD account (also an application pool identity). Web app is…

Getting bearer token via Refit

Hi I have an API that takes a username and password and then returns a bearer token. The curl code is below at the end. How can I make the call to get the token via Refit? Many thanks Regards curl -X 'POST' \ …

Windows development | Windows API - Win32

Windows development | Windows API - Win32

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Developer technologies | C#

Developer technologies | C#

An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.

11,580 questions

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