24,311 questions with .NET-related tags

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How to fix the exception System.Net.Http.HttpRequestException: The SSL connection could not be established

we have SignalR and SignalR.Client libraries used in our project to establish the connection between the client and the server. The services are .NET applications and the client is a mobile application which is also a .NET application. I am got the…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,472 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,249 questions
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,324 questions
Azure SignalR Service
Azure SignalR Service
An Azure service that is used for adding real-time communications to web applications.
124 questions
asked 2024-05-29T11:57:56.0666667+00:00
Singh, Sheetal 0 Reputation points
commented 2024-05-30T04:22:17.5433333+00:00
Singh, Sheetal 0 Reputation points
0 answers

Running app on mac - menu corrupted

Hi, Please run the app from: https://github.com/dotnet/maui/issues/22719 the menu corrpted when switching between pages and when maximize the page. Thank in advance,

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,997 questions
asked 2024-05-29T15:02:22.02+00:00
Dani_S 2,906 Reputation points
edited a comment 2024-05-30T03:35:20.98+00:00
Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 27,126 Reputation points Microsoft Vendor
1 answer

How to create event for subclassed control

I use GestureRecognizers with Label in lots of places in an app and would like to create a new Label control that basically uses Label as the base and adds a TapGestureRecognizer that invokes an event that can be defined in XAML. I know how to subclass…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,997 questions
C#
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.
10,408 questions
asked 2024-05-28T15:05:06.46+00:00
Lloyd Sheen 1,391 Reputation points
commented 2024-05-30T03:31:27.8+00:00
Leon Lu (Shanghai Wicresoft Co,.Ltd.) 69,691 Reputation points Microsoft Vendor
0 answers

How to maintain Ajax calendar values after postback in Gridview Footer

I am using AJAX control textbox in gridview. Inside the gridview, Footer Template i am using dropdown control and many textboxes. after selecting of Ajax calendar control, if i select dropdown, the ajax value getting cleared. How to maintain the date…

ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,324 questions
C#
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.
10,408 questions
asked 2024-05-29T15:22:30.55+00:00
Gani_tpt 1,786 Reputation points
commented 2024-05-30T03:17:00.4366667+00:00
Lan Huang-MSFT 26,686 Reputation points Microsoft Vendor
1 answer

.Net Maui, ability to access external sd card

With the removal of read and write permissions to external storage, is there any way to access external SD cards? My app normally relies on being able to automatically backup data to external SD cards in the event the tablet dies or is broken. Is there…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,997 questions
asked 2024-05-15T16:07:34.8933333+00:00
Phunction 206 Reputation points
commented 2024-05-30T03:16:51.4066667+00:00
Leon Lu (Shanghai Wicresoft Co,.Ltd.) 69,691 Reputation points Microsoft Vendor
2 answers

How to Detect Initial DPI changes in a WPF Application while Scaling according to Per Monitor Aware in Variable Dynamic Screen Resolution?

In daily life we have to deal with a lot of different types of display size it may be mobile or may be a 4k monitor. The screen resolution vary from display to display. Here another important factor is DPI (Display per inch) which is mainly a scaling…

Windows
Windows
A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.
4,870 questions
Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,689 questions
C#
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.
10,408 questions
C++
C++
A high-level, general-purpose programming language, created as an extension of the C programming language, that has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.
3,571 questions
asked 2024-05-27T23:46:16.7233333+00:00
MERUN KUMAR MAITY 531 Reputation points
commented 2024-05-30T02:49:57.6433333+00:00
Hongrui Yu-MSFT 415 Reputation points Microsoft Vendor
0 answers

How do you Register a Blazor App to Upload Photos to Azure Blob Storage

I've created a simple Blazor Application based on the standard Blazor Web application template to upload photos to Azure Blob Storage. It works when I run it in my computer, but I'm having trouble getting it to run when I Publish it to an Azure App…

Azure Blob Storage
Azure Blob Storage
An Azure service that stores unstructured data in the cloud as blobs.
2,499 questions
Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,428 questions
Azure App Service
Azure App Service
Azure App Service is a service used to create and deploy scalable, mission-critical web apps.
7,048 questions
asked 2024-05-29T23:47:39.4066667+00:00
George Irwin 0 Reputation points
edited the question 2024-05-30T02:49:21.2+00:00
Givary-MSFT 28,576 Reputation points Microsoft Employee
2 answers

Getting error while finding control in Footer Row Gridview

I am getting error while binding data in dropdown in gridview footer template. Pls. help us, how to bind dropdown values inside the gridview footer template. getting below error.

ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,324 questions
C#
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.
10,408 questions
asked 2024-05-29T13:47:28.71+00:00
Gani_tpt 1,786 Reputation points
answered 2024-05-30T02:44:08.77+00:00
Lan Huang-MSFT 26,686 Reputation points Microsoft Vendor
1 answer

App crashes after throwing an error ' Window was already created'

Platform : Android Version : MAUI 8 Description : I was trying to invoke platform specific code by implementing broadcast Receiver for android, When I tried to register the receiver onResume( ) , app crashed with an error "Window was already…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,997 questions
asked 2024-05-29T09:32:36.64+00:00
Manickam, Suraj 260 Reputation points
answered 2024-05-30T02:39:26.9133333+00:00
Leon Lu (Shanghai Wicresoft Co,.Ltd.) 69,691 Reputation points Microsoft Vendor
1 answer

Ensuring Database Updates on Form Closure: Troubleshooting for Mac.

When I attempt to insert details into the database upon closing the form or upon its disappearance event, the code doesn't execute as expected. However, the same code executes properly when triggered by a button click or when the form appears. I need…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,997 questions
asked 2024-05-06T12:03:23.94+00:00
Sarfaraz Sable 20 Reputation points
answered 2024-05-30T02:31:43.79+00:00
Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 27,126 Reputation points Microsoft Vendor
1 answer

EF Core 3.1 - System.InvalidOperationException: 'The entity type 'Pntbec03' requires a primary key to be defined. If you intended to use a keyless entity type call 'HasNoKey()'.'

Hello . I need to handle a EF Core Entity relating to a table , but without having EF managing all its columns , but just a subset of them. I have scaffolded the small database to which the table belongs into a DbContext , and I though I could create…

Entity Framework Core
Entity Framework Core
A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
705 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,472 questions
asked 2024-05-29T13:46:26.23+00:00
leo del ciello 66 Reputation points
edited the question 2024-05-30T02:28:12.1366667+00:00
Hui Liu-MSFT 44,471 Reputation points Microsoft Vendor
3 answers

Update Workload Problem/ NuGet Package unable to be installed.

**I have created 3 Projects: FrontEndProject and it is a Blazor Project and this is the csProj:** <Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly"> …

ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,249 questions
Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,428 questions
C#
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.
10,408 questions
asked 2024-05-10T04:54:17.63+00:00
Muhammad Ghozlan 5 Reputation points
commented 2024-05-30T02:14:20.3733333+00:00
Ping Ni-MSFT 2,405 Reputation points Microsoft Vendor
0 answers

Cannot supply a component of type 'Components.BookComponent' because the current platform does not support the render mode 'Microsoft.AspNetCore.Components.Web.InteractiveServerRenderMode'

when i call component by this way i have this error in TestComponent.razor i call BookComponent to get html var sensorHtml = new ComponentRenderer<WeaponDetails>() .Render(); BookComponent.razor @rendermode InteractiveServer other…

Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,428 questions
asked 2024-05-15T07:54:39.42+00:00
Mahdi Elahi 26 Reputation points
commented 2024-05-30T02:13:16.0833333+00:00
Ping Ni-MSFT 2,405 Reputation points Microsoft Vendor
2 answers

Error while submitting the registration form

RegistrationForm.cshtml @page @model FaceAdminApp.Pages.Auth.RegistrationFormModel @{ ViewData["Title"] = "RegistrationForm"; } <style> .container { max-width: 600px; margin: 0 auto; padding:…

ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,249 questions
asked 2024-05-20T05:31:38.77+00:00
Surya Chandra Mohan 20 Reputation points
commented 2024-05-30T02:12:32.0266667+00:00
Ping Ni-MSFT 2,405 Reputation points Microsoft Vendor
2 answers

How to retrieve the any table from SQL DB and display dynamically in one page in asp.net core

Requirements are as below. 1. In single page of asp.net core, need to display any table data dynamically like jtable from jQuery plugin... With generic code with ado.net or web api orAPI or entity framework core

Entity Framework Core
Entity Framework Core
A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
705 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,249 questions
C#
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.
10,408 questions
asked 2023-04-02T16:30:01.65+00:00
phani sekhar 1 Reputation point
commented 2024-05-30T02:09:18.2166667+00:00
Hutty 0 Reputation points
1 answer

Connecting SQL Server Data to RDLC reports in Blazor .Net Framework

Hello, I am trying to create/integrate RDLC reports in Blazor .NET framework. So far: I have managed to open a RDLC report thanks this Question and Answer:…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,472 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,249 questions
Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,428 questions
SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
12,927 questions
asked 2024-05-13T09:36:27.6966667+00:00
Geoffrey de Sousa 0 Reputation points
commented 2024-05-30T02:01:59.45+00:00
JasonPan - MSFT 4,551 Reputation points Microsoft Vendor
0 answers

How to resolve SignalR Hub connection issue from Client side Javascript code

I have web application developed in .NET 5.0. This web application calls Web APIs to fetch information from SQL DB. Web and API applications are two separate applications hosted in Azure. I want to push some real time data every 2 minutes to all clients…

.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,472 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,249 questions
asked 2024-05-15T12:40:41.6033333+00:00
Mayuri Barve 1 Reputation point
commented 2024-05-30T02:00:24.17+00:00
JasonPan - MSFT 4,551 Reputation points Microsoft Vendor
1 answer

how to use muti -language in blazor?

how to use muti-language ?

Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,428 questions
asked 2024-05-16T11:15:11.3566667+00:00
mc 3,746 Reputation points
commented 2024-05-30T01:58:22.3133333+00:00
JasonPan - MSFT 4,551 Reputation points Microsoft Vendor
1 answer

How to resolve CORS errors when running Blazor WASM alongside Blazor Server and ASP.NET Core Web API?

Hi, I have a solution having Blazor WASM, Blazor Server and Asp.Net Core Web API. When I try to run the applications, the Blazor server and API work without any problem but I get this error while running the WASM. Cross-Origin Request Blocked: The Same…

ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,249 questions
Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,428 questions
asked 2024-05-26T09:22:59.9066667+00:00
Cenk 956 Reputation points
commented 2024-05-30T01:56:05.27+00:00
JasonPan - MSFT 4,551 Reputation points Microsoft Vendor
0 answers

Microsoft.Maui.ApplicationModel.FeatureNotSupportedException for PhoneDialer and EmailMessage

I am getting below exception for PhoneDialer and EmailMessage features. Microsoft.Maui.ApplicationModel.FeatureNotSupportedException: Specified method is not supported. at…

.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
2,997 questions
asked 2024-05-29T09:18:27.9966667+00:00
Sreejith Sreenivasan 691 Reputation points
commented 2024-05-30T01:51:31.9733333+00:00
Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.) 27,126 Reputation points Microsoft Vendor