Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,404 questions
8 answers
Connexion to database SQL SERVER (2019)
Hi, I've an Blazor Wasm application. Until now I worked with a local database that I've created by migration. "Data Source=(LocalDB)\\MSSQLLocalDB;AttachDbFilename=C:\\Users\\...\\source\\repos\\DATASERVEUR\\Developers.mdf;Integrated…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(316.8, 79%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
Cant select items in a WPF combobox(VSTO Addin) if they are outside the parent window
When using a Combobox in a WPF UserControl via ElementHost for a VSTO AddIn, the Combobox items that are outside of the parent Office application cannot be selected. In the clip below, the blue area is a WPF UserControl inside an ElementHost and you…
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.
2,681 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.
10,309 questions
Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
3,532 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(227.2, 70%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMV%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(294.40000000000003, 48%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
C# Timer WinForms
Hello, public System.Threading.Timer AsyncProgramChangeTimer = null; public void MyStartTimer() { lock (this) { AsyncProgramChangeTimer = new System.Threading.Timer((o) => { …
Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,838 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.
10,309 questions
asked 2022-04-26T10:43:54.263+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(316.8, 38%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMF%3C/text%3E%3C/svg%3E)
Markus Freitag
3,786
Reputation points
accepted 2022-04-27T06:01:58.053+00:00
Markus Freitag
3,786
Reputation points
2 answers
Post JSON Object RestSharp v107
I have to post this json data (data is generated in javascript and must be post to the enpoint from backend): JSON.stringify(dataRest) is:…
asked 2022-04-25T11:08:08.187+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(19.2, 20%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFL%3C/text%3E%3C/svg%3E)
Federico Luna salazar
21
Reputation points
answered 2022-04-27T04:42:16.01+00:00
SurferOnWww
1,916
Reputation points
3 answers
Function giving the follwing Error : The parameters dictionary contains a null entry for parameter 'FileID' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.PartialViewResult FileDetails(Int32) not seeing why>
Hi All, The Function below gives this error, it is not clear why: The parameters dictionary contains a null entry for parameter 'FileID' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.PartialViewResult FileDetails(Int32)' in…
asked 2022-04-26T22:28:11.913+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(118.4, 5%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAD%3C/text%3E%3C/svg%3E)
App Dev
86
Reputation points
answered 2022-04-27T02:25:18.81+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(195.2, 51%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYS%3C/text%3E%3C/svg%3E)
Yijing Sun-MSFT
7,071
Reputation points
3 answers
SingalR Angular Error 404
I am trying to install SignalR on Angular. I have achived this before with ReactJs Looking at several Forum topics and articles I cant really get it to work: Error Code that i get: Utils.js:149 [2022-04-24T03:47:55.451Z] Error: Failed to start…
asked 2022-04-24T04:09:57.907+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(115.19999999999999, 7.000000000000001%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EO%3C/text%3E%3C/svg%3E)
osyris
236
Reputation points
answered 2022-04-27T01:29:36.31+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(73.60000000000001, 90%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZL%3C/text%3E%3C/svg%3E)
Zhi Lv - MSFT
32,021
Reputation points Microsoft Vendor
1 answer
Xamarin Forms application error java.lang.ArrayIndexOutOfBoundsException : Index 4 out of bounds for length 4
I'm getting the below error in VS2022 when trying to debug a Xamarin Forms app on Android emulator. The same works on VS2019 with the same sdk. java.lang.ArrayIndexOutOfBoundsException : Index 4 out of bounds for length
asked 2022-04-04T12:12:29.683+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(64, 85%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ET%3C/text%3E%3C/svg%3E)
teja
16
Reputation points
commented 2022-04-27T01:04:21.487+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 6%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELL%3C/text%3E%3C/svg%3E)
Leon Lu (Shanghai Wicresoft Co,.Ltd.)
68,901
Reputation points Microsoft Vendor
1 answer
Who Wants to Tackle Huge SQL to EF?
Would anyone like to help me convert this to EF? SELECT DISTINCT Item.ITEMID AS StockItem, ISNULL(DsoItems.ITEMID, N'') AS DsoItemId, DsoInventItem.ITEMNAME, ISNULL ((SELECT SUM(PHYSICALINVENT) AS Expr1 FROM DP_AX_PROD.dbo.INVENTSUM WHERE (ITEMID =…
Entity Framework Core
Entity Framework Core
A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
698 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,415 questions
asked 2022-04-26T14:09:25.673+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(211.20000000000002, 70%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENR%3C/text%3E%3C/svg%3E)
Nick R
66
Reputation points
answered 2022-04-26T21:56:33.243+00:00
Erland Sommarskog
101.8K
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
Is there a way to revert a Visual Studio Project to the previous build
So I am Quite frustrated because my Visual Studio Project wasn't updating the code so I decided to rebuild it and now all the files are gone from the debug folder and the project is pretty much impossible to use. Is there a way to recover it? I have…
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,581 questions
.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
1,126 questions
asked 2022-04-26T20:29:14.47+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(275.2, 16%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJG%3C/text%3E%3C/svg%3E)
John Glynn
106
Reputation points
commented 2022-04-26T21:32:22.487+00:00
John Glynn
106
Reputation points
3 answers
Deploy Error: An Lockdown error occurred. The error code was "MuxError"
I get the above error but it means nothing to me other than that there was a problem with the deploy. I did a search but found nothing similar. What does that message mean and how can I fix it? This is a Xamarin Forms app being deployed on an iPad…
asked 2021-11-09T17:21:16.697+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(32, 10%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EW%3C/text%3E%3C/svg%3E)
WillAutioItrax
201
Reputation points
answered 2022-04-26T20:29:53.563+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 21%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDM%3C/text%3E%3C/svg%3E)
Dylan Mills
1
Reputation point
1 answer
Is it possible to have an EF Core middleware or something that can apply to filter to every query?
Hi folks, I've got an existing ASP.NET Core web application that uses EF Core for the database queries. A requirement has come up that requires me to basically filter every query's result using some logic that takes into consideration a user's…
asked 2022-04-25T22:44:59.117+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(227.2, 80%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERC%3C/text%3E%3C/svg%3E)
Ryan Cole
21
Reputation points
answered 2022-04-26T18:13:01.15+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(211.20000000000002, 61%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Bruce (SqlWork.com)
56,931
Reputation points
1 answer
designing class diagram to a system
hey, I'm working on a software engineering project and there are a few things I'm not certain about, hoping you could help... it's an MVC based system and I need to design an MVC diagram, class diagram and a few sequence diagrams. what is the…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(35.2, 9%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER%3C/text%3E%3C/svg%3E)
2 answers
How to publish winform application
Hello all, Pls guide me how to publish my winform application through visual studio 2022 , as i have user id and password of my sql databse in app.config file , i need you help to publish my winform application in a most secured way .
Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,838 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.
10,309 questions
asked 2022-04-25T06:45:05.653+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(166.4, 44%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERK%3C/text%3E%3C/svg%3E)
ravi kumar
331
Reputation points
answered 2022-04-26T17:35:46.717+00:00
Bruce (SqlWork.com)
56,931
Reputation points
2 answers
Process.start() in Asp.net core app : Failed to create an ipc port, Access denied :(
Hello everybody, I wrote a little web api using ASP.net core, running on IIS. In this API i have to launch an EXE, wait for execution, then push an answer to the client who invoke my API. After a few use of this API, my process.start() fail and i…
Internet Information Services
Internet Information Services
Microsoft web server software.
1,591 questions
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,208 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.
10,309 questions
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,581 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(211.20000000000002, 46%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EN%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Error "The group or resource is not in the correct state to perform the requested operation" when doing WebView2.TrySuspendAsync
I basically need to pause a video when the WebView2 control loses its visibility. What I did was this: /*********************************************************************/ private async void SuspendWebView2(WebView2 webView2 ) { …
Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,838 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.
10,309 questions
asked 2022-04-25T17:41:01.93+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 3%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPG%3C/text%3E%3C/svg%3E)
Pablo Glomby
186
Reputation points
accepted 2022-04-26T13:02:44.4+00:00
Pablo Glomby
186
Reputation points
1 answer
One of the answers was accepted by the question author.
Tabcontrol in Xamarin.form
Hi to All. Excuse me for a simple question. I need to know the equivalent control in Xamarin of Tabcontrol in Windows form. I have not found it in Visual Studio and I am a novice in doing App (now on Android). Someone can suggest me a way to use…
asked 2022-04-26T11:35:14.987+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(185.6, 77%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPM%3C/text%3E%3C/svg%3E)
Paolo Mossa
161
Reputation points
accepted 2022-04-26T12:30:27.673+00:00
Paolo Mossa
161
Reputation points
2 answers
For Loop and SkiaSharp
Hi, How can I use for in SkiaSharp, Let's say I want to show every word for 10 seconds (600 frames). It sounds simple, but I haven't figured it out today. for code string[] numbers = { "one", "two", "three",…
Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,297 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.
10,309 questions
asked 2022-04-11T11:40:35.067+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(76.8, 17%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EY%3C/text%3E%3C/svg%3E)
Yusuf
691
Reputation points
commented 2022-04-26T09:17:38.897+00:00
JessieZhang-MSFT
7,706
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
Firebase Push notification
Good Day As you know a lot of HUAWEI phones don't support Firebase Push notification . Is there a way i can check in Xamarin forms if a phone support Firebase push so that i implement a different Push for that phone programmatically ? Thanks
asked 2022-04-19T17:25:28.23+00:00
Vuyiswa Maseko
351
Reputation points
commented 2022-04-26T09:05:26.203+00:00
Vuyiswa Maseko
351
Reputation points
1 answer
Have Picker scroll to currently selected item on dropdown of the list
Cannot find anything about how to cause the Picker control to scroll to the selected item when the dropdown is opened. I have a Picker that can have many items and it is a pain having to scroll manually to get to where you were on last selection. Also…
asked 2022-04-08T17:45:44.487+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(16, 84%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELS%3C/text%3E%3C/svg%3E)
Lloyd Sheen
1,386
Reputation points
commented 2022-04-26T09:04:14.2+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(22.400000000000002, 3%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWZ%3C/text%3E%3C/svg%3E)
Wenyan Zhang (Shanghai Wicresoft Co,.Ltd.)
26,751
Reputation points Microsoft Vendor
2 answers
Windows form and User Control Pannel not adjusting in different Computer Screen?
Recently I have coded a simple software using C# in Visual Studio 2019. In the software, there is only 1 windows from (form 1) and five User Control windows. As you can see, from the windows form, I can access each of the user control panel by…
Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,838 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.
10,309 questions
asked 2022-04-16T17:22:51.28+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(176, 94%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFS%3C/text%3E%3C/svg%3E)
Faisal Shovon
1
Reputation point
commented 2022-04-26T08:58:10.657+00:00
Jack J Jun
24,296
Reputation points Microsoft Vendor