.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
1 answer
Configuration system failed to initialize ---> System.NullReferenceException: Object reference not set to an instance of an object.
After months running without any issues/without any changes to the application/server, one of our ASP.NET (MVC/.NET Framework 4.x) applications failed with "Configuration system failed to initialize" every time that access to the configuration…
.NET
ASP.NET
ASP.NET
A set of technologies in the .NET Framework for building web applications and XML web services.
3,598 questions
asked 2021-02-04T13:00:09.907+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(96, 71%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESD%3C/text%3E%3C/svg%3E)
Sal Datoccio
96
Reputation points
commented 2021-02-04T15:40:41.603+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(256, 32%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMT%3C/text%3E%3C/svg%3E)
Michael Taylor
57,396
Reputation points
1 answer
One of the answers was accepted by the question author.
how to work with VS and Xamarin.Forms on a fresh installed MacOS Mojave?
hi, installed MacOS Mojave again on my MacBook Air after many problems with Big Sur ... so how do i install VS and Xamarin.Forms on Mojave? i cannot find any version that works with Xcode 11.3.1 ... is there a complete package or may i install…
asked 2021-02-04T10:45:56.163+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(96, 24%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
andreas krahn
96
Reputation points
accepted 2021-02-04T11:19:20.01+00:00
andreas krahn
96
Reputation points
1 answer
A connection was successfully established with the server. But then an error occurred during the pre-login handshake.(provider: TCP Provider, error: 0- The semaphore timeout period has expired)
Hello Senior!!, Now I facing this error("A connection was successfully established with the server. But then an error occurred during the pre-login handshake.(provider: TCP Provider, error: 0- The semaphore timeout period has expired)…
Azure Database for MySQL
Azure Database for MySQL
An Azure managed MySQL database service for app development and deployment.
922 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.
11,341 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.
1,200 questions
asked 2021-01-12T05:17:15.153+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(182.40000000000003, 54%, 27%)' 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)
wint zarchi htun
6
Reputation points
answered 2021-02-04T10:32:39.293+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(25.6, 99%, 12%)' 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)
Zlatko Lovcevic
26
Reputation points
2 answers
Shell redirection
Hello! I am using Shell as my main page. When entering the application, if the user is not authenticated, then he goes to the page that he should not see. Is there some way to redirect the user to the login page if they are not authenticated?
asked 2021-01-30T16:10:20.017+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, 62%, 17%)' 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)
Константин Ширяев
1
Reputation point
commented 2021-02-04T10:19:30.263+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(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.)
81,021
Reputation points Microsoft External Staff
2 answers
One of the answers was accepted by the question author.
What does mean "Error updating Objective-C type information"?
Hello. I use VS for Mac Community 8.8.6 and Xcode 12.4, under MacOS 11.1. I can build my Cocoa project with no error, and execute it. But, for some weeks, when I try to open a storyboard (in the Solution column), VS displays "Error updating…
asked 2021-01-29T15:46:57.223+00:00
Gilbert Tordeur
146
Reputation points
accepted 2021-02-04T08:52:44.363+00:00
Gilbert Tordeur
146
Reputation points
0 answers
Cmdlet out-display in Powershell stopped working
Making a rebuild of my GITHUB repository running DOCKER in BINDER to get a fresh NOTEBOOK in JUPYTERLAB I had to use a new version of .NETS interactive tool: global Microsoft.dotnet-interactive --version 1.0.155302 --add-source…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 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.
1,200 questions
Windows Server PowerShell
Windows Server PowerShell
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.PowerShell: A family of Microsoft task automation and configuration management frameworks consisting of a command-line shell and associated scripting language.
5,628 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 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.
1,200 questions
Windows Server PowerShell
Windows Server PowerShell
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.PowerShell: A family of Microsoft task automation and configuration management frameworks consisting of a command-line shell and associated scripting language.
5,628 questions
asked 2021-02-04T08:22:18.003+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, 81%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHR%3C/text%3E%3C/svg%3E)
Henning Reckey
1
Reputation point
asked 2021-02-04T08:22:18.003+00:00
Henning Reckey
1
Reputation point
0 answers
Cmdlet out-display in Powershell stopped working
Making a rebuild of my GITHUB repository running DOCKER in BINDER to get a fresh NOTEBOOK in JUPYTERLAB I had to use a new version of .NETS interactive tool: global Microsoft.dotnet-interactive --version 1.0.155302 --add-source…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 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.
1,200 questions
Windows Server PowerShell
Windows Server PowerShell
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.PowerShell: A family of Microsoft task automation and configuration management frameworks consisting of a command-line shell and associated scripting language.
5,628 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 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.
1,200 questions
Windows Server PowerShell
Windows Server PowerShell
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.PowerShell: A family of Microsoft task automation and configuration management frameworks consisting of a command-line shell and associated scripting language.
5,628 questions
asked 2021-02-04T08:22:18.003+00:00
Henning Reckey
1
Reputation point
asked 2021-02-04T08:22:18.003+00:00
Henning Reckey
1
Reputation point
1 answer
Why am I not getting a .dSYM file when I build my iOS app?
I have an App the has been submitted to Apple Play Store that they are failing because it's crashing on startup. Works fine here so I need to get the .dSYM file so I can figure out where it's crashing. I have the crash report from Apple, I just need to…
asked 2021-02-03T04:39:48.61+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, 88%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBK%3C/text%3E%3C/svg%3E)
Brien King
1
Reputation point
commented 2021-02-04T08:05:46.757+00:00
Cole Xia (Shanghai Wicresoft Co,.Ltd.)
6,751
Reputation points
1 answer
WebView inside ScrollView not scrolling.
Hi, I have below code and it does not work for me. The WebView is just not scrolling and cannot read the full article. How can I fix this please? <ScrollView Grid.Row="0" Margin="0" HorizontalOptions="FillAndExpand"…
asked 2021-02-02T19:19:43.727+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(265.6, 63%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
jrahma
116
Reputation points
commented 2021-02-04T06:29:54.257+00:00
JessieZhang-MSFT
7,716
Reputation points Microsoft External Staff
1 answer
Microsoft.Office.Interop.Excel.dll is it require on host PC.
I have created an application in VB.net on Visual Studio 2017. I have referenced Microsoft.Office.Interop.Excel.dll with Embed Interop Types set to True. However when I run the compiled software on a friends machine (running Microsoft 365) the print…
.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.
1,200 questions
asked 2021-02-03T19:47:44.973+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(224.00000000000003, 14.000000000000002%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDT%3C/text%3E%3C/svg%3E)
Dave the Golfer
1
Reputation point
answered 2021-02-04T02:58:56.857+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(80, 32%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJC%3C/text%3E%3C/svg%3E)
Jerry Cai-MSFT
991
Reputation points
1 answer
i want that my xamarin app keep working in background
Hi, i am developing an app with xamarin for iOS and android. and i want to keep my app working even if the phone is in my pocket and recieving notifications . Please i need help .
asked 2021-02-03T14:30:49.627+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(144, 28.000000000000004%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBM%3C/text%3E%3C/svg%3E)
bilel miled
21
Reputation points
answered 2021-02-04T02:09:23.033+00:00
JessieZhang-MSFT
7,716
Reputation points Microsoft External Staff
2 answers
How to create valid setup project for NET 5.0 solution having multiple interlaced exe projects sharing same dlls?
Hi! I have upgraded multi project windows Framework 4.8 solution to NET 5.0. and... Microsoft Visual Studio Installer Projects 0.9.9. setup project is having trouble recognizing shared dll-s. Details... Setup's target installation is,…
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
5,448 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.
1,200 questions
Not Monitored
Not Monitored
Tag not monitored by Microsoft.
42,862 questions
1 answer
Exercise - Scale a web app manually - app doesn't run
While studying the Azure exercise "Scale an App Service web app to efficiently meet demand with App Service scale up and scale out" part 3, I input the command to run the web app, and go t the following output: dotnet run It was not possible to…
.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.
1,200 questions
Azure App Service
Azure App Service
Azure App Service is a service used to create and deploy scalable, mission-critical web apps.
8,505 questions
asked 2021-01-28T20:38:36.143+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(300.8, 10%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDP%3C/text%3E%3C/svg%3E)
Dan Py
1
Reputation point
commented 2021-02-03T18:16:37.587+00:00
Grmacjon-MSFT
18,901
Reputation points
2 answers
One of the answers was accepted by the question author.
How to prebuild C# generics before runtime
Hi, Currently, C# generics are built at runtime. First time, generics execution is very slow because runtime compilation. How to avoid runtime compilation...how to get target x64 or x86 binaries where generics are already compiled to native binary. …
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
5,448 questions
.NET CLI
.NET CLI
A cross-platform toolchain for developing, building, running, and publishing .NET applications.
343 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.
11,341 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.
1,200 questions
Not Monitored
Not Monitored
Tag not monitored by Microsoft.
42,862 questions
2 answers
One of the answers was accepted by the question author.
Skiasharp - Detected Selected Touch Point
Hi In this example there are four touch points TouchPoints[0], touchPoints1, touchPoints[2] and touchPoints[3] …
![](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)
2 answers
One of the answers was accepted by the question author.
ZIndex Changes Unexpectedly
I have a DataTemplate containing several basic elements (a Grid containing Label(s) and Button(s)). Some of the Label(s) are on top of the Button(s) (they have the same Grid.Column & Grid.Row). However, at certain points when I click the Button the…
asked 2021-02-02T20:25:22.417+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(134.4, 12%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENS%3C/text%3E%3C/svg%3E)
Nathan Sokalski
4,111
Reputation points
accepted 2021-02-03T16:07:52.467+00:00
Nathan Sokalski
4,111
Reputation points
1 answer
One of the answers was accepted by the question author.
CollectionView: change selected Label textcolor
CollectionView Selected Item Highlight Colour In this example is it possible to change the Grid background color when the items is selected. I would like to change the grid background color AND the Label TextColor Is it possibile with…
asked 2021-02-03T10:48:42.733+00:00
Alessandro Caliaro
4,196
Reputation points
accepted 2021-02-03T14:18:20.987+00:00
Alessandro Caliaro
4,196
Reputation points
1 answer
One of the answers was accepted by the question author.
How can I use IDisposable in a class derived from a class that's implementing IDisposable already?
I'm trying to understand how Finalizers and IDisposable are supposed relate to each other in a class hierarchy. Given I have a class that's deriving from a base class, both classes have unmanaged resources. How would I implement Finalizers and…
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.
11,341 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.
1,200 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(144, 85%, 23%)' 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.
Crashes on Testflight launch
Xamarin project on windows visual studio. Trying to use testflight and eventually apple store. The crash occurred on my 8th Gen Ipad The app crashes upon launch on testflight. No pages just immediately crashes and generates log. I assume this is a…
asked 2021-02-03T11:00:57.9+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(294.40000000000003, 42%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDD%3C/text%3E%3C/svg%3E)
Devon Daigneault
101
Reputation points
accepted 2021-02-03T12:48:38.84+00:00
Devon Daigneault
101
Reputation points
0 answers
What should be binding in WCF Client for calling SOAP web service with OAuth Authentication
Hello, I am having WCF client which consumes SOAP based web service which has OAuth authentication. My WCF service gets consumed by some other service but my issue is about authentication when it consumes web service. My WCF client, consumes web…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
4,103 questions
asked 2021-02-03T00:11:41.347+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(172.8, 18%, 26%)' 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)
Patel, Manoj (IST)
1
Reputation point
commented 2021-02-03T10:12:45.603+00:00
Patel, Manoj (IST)
1
Reputation point