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.
7,830 questions
2 answers
Dynamically Resizing Models
Hello everyone and thanks for the help in advance. I'm trying to think through a solution for a calendar application. The model for the appointment table looks like: public class tblAppointments { public int ID { get; set; } …
Developer technologies | ASP.NET Core | Other
![](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(208, 34%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
1 answer
Getting “Value of '-2147483648' is not valid for 'RowPosition'” in Visual Studio while building after making changes to design using WinForms designer.
I am running into a persistent and unusual issue while working with the WinForms designer in Visual Studio. Whenever I move or drag any control (such as a TextBox) on a form and then start debugging, Visual Studio throws the following error message three…
Developer technologies | Windows Forms
Developer technologies | Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,994 questions
asked 2026-05-28T11:51:29.5+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, 84%, 27%)' 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)
Researcher
96
Reputation points
answered 2026-05-28T11:51:51.5466667+00:00
AI answer
1 answer
MAUI Label randomly appearing and disappearing in iOS
Hi there I have an if statement that sets the visible property of a label to false if there is no value or it is 0. But I have checked the result from the api and there definitely is a value. The behaviour is inconsistent. Sometimes when I navigate to…
Developer technologies | .NET | .NET Multi-platform App UI
Developer technologies | .NET | .NET Multi-platform App UI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,305 questions
asked 2026-05-28T11:45:09.0566667+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, 33%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJH%3C/text%3E%3C/svg%3E)
Jai Holloway
105
Reputation points
answered 2026-05-28T11:45:27.2766667+00:00
AI answer
2 answers
How to handle duplicate records in Salesforce CRM?
Hi all, In our Salesforce CRM setup, we often get duplicate customer records from different sources. What is the best approach to identify and prevent duplicate records while maintaining data accuracy? Thanks in advance!
Developer technologies | Transact-SQL
Developer technologies | Transact-SQL
A Microsoft extension to the ANSI SQL language that includes procedural programming, local variables, and various support functions.
4,717 questions
asked 2026-05-27T13:06:09.5266667+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(137.6, 22%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWR%3C/text%3E%3C/svg%3E)
Williams Rodriguez
0
Reputation points
answered 2026-05-28T11:31:14.3966667+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(0, 19%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJA%3C/text%3E%3C/svg%3E)
Jimmy Arthur
0
Reputation points
2 answers
Splash screen for Android is default .NET splash screen and not specified splash screen MAUI
I have <MauiSplashScreen Include="Resources\Splash\splash.png" BaseSize="128,128" /> In my csproj., but the android splash screen is the default purple .NET splash screen. It works fine in iOS, but not on android. What would…
Developer technologies | .NET | .NET Multi-platform App UI
Developer technologies | .NET | .NET Multi-platform App UI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,305 questions
asked 2026-05-28T06:40:26.99+00:00
Jai Holloway
105
Reputation points
commented 2026-05-28T11:02:51.77+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, 21%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENV%3C/text%3E%3C/svg%3E)
Nancy Vo (WICLOUD CORPORATION)
4,605
Reputation points Microsoft External Staff
Moderator
3 answers
Unable to install .net
I try install .net framework on my windows server 2019 but got below error even i have permission on the folde Then i try to extract the exe file and run the setup file and got below error. Try running netfx_core_x64 and got below error. Anyone know how…
Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .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.
1,323 questions
asked 2026-05-18T13:14:32.6466667+00:00
Handian Sudianto
7,161
Reputation points
commented 2026-05-28T11:00:30.2166667+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(262.40000000000003, 49%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDN%3C/text%3E%3C/svg%3E)
Danny Nguyen (WICLOUD CORPORATION)
6,945
Reputation points Microsoft External Staff
Moderator
1 answer
VS 2022 Not showing red squiggles and no intellisense anymore, at least, underUnity
Using Visual Studio 2022, I have lost the squiggles red wavy line when there is a typo error (faster to spot it than to move to the console to see error messages) and I have also lost intellisence allowing us to "discover" the methods and the…
Developer technologies | Visual Studio | Debugging
Developer technologies | Visual Studio | Debugging
A core feature of Visual Studio that allows developers to inspect, analyze, and troubleshoot code during execution.
1,199 questions
asked 2026-05-28T10:37:54.7066667+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(0, 22%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EV%3C/text%3E%3C/svg%3E)
vanderghast
1
Reputation point
answered 2026-05-28T10:38:09.6566667+00:00
AI answer
2 answers
MAUI app exiting without crashing after inactivity
Hi there I have a .NET 10 MAUI app and it is exiting on refresh, or any activity, after being in "sleep" mode for a while. The shortest time I have tried is 4 hours, but I believe 2 hours will have it exit too. I have tried leaving the…
Developer technologies | .NET | .NET Multi-platform App UI
Developer technologies | .NET | .NET Multi-platform App UI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
4,305 questions
asked 2026-05-25T04:10:52.8133333+00:00
Jai Holloway
105
Reputation points
commented 2026-05-28T07:44:44.0866667+00:00
Nancy Vo (WICLOUD CORPORATION)
4,605
Reputation points Microsoft External Staff
Moderator
2 answers
Using Visual Studio 2026 (18.6.0) designer I keep getting Sequence contains no elements error when I add or change a control.
Using Visual Studio 2026 (18.6.0) designer I keep getting "Sequence contains no elements" error when I add or change a control. It happens frequently and is quite annoying.
Developer technologies | Windows Forms
Developer technologies | Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,994 questions
asked 2026-05-24T14:35:48.0433333+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(214.4, 30%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDH%3C/text%3E%3C/svg%3E)
Doug Hahn
0
Reputation points
commented 2026-05-28T06:15:55.1133333+00:00
Nancy Vo (WICLOUD CORPORATION)
4,605
Reputation points Microsoft External Staff
Moderator
1 answer
Clickonce user settings not carrying over
Upgrading a vb .net windows forms project from .net 4.8 to .net 10. Everytime I publish an update my user settings are lost. From research it looks like I need to make a strong name key for the project, but the build properties are not showing in my…
Developer technologies | .NET | Other
Developer technologies | .NET | Other
Microsoft Technologies based on the .NET software framework. Miscellaneous topics that do not fit into specific categories.
4,167 questions
asked 2026-05-28T00:42:19.26+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(60.8, 22%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECE%3C/text%3E%3C/svg%3E)
Cody Eidsness
0
Reputation points
answered 2026-05-28T06:10:10.68+00:00
Nancy Vo (WICLOUD CORPORATION)
4,605
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
MAUI click Image to take you to a new view with a larger image
I have an image in a control and when you click it I want to navigate to a new view that has a larger image on it. <?xml version="1.0" encoding="utf-8" ?> <ContentView …
Developer technologies | XAML
Developer technologies | XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
880 questions
asked 2026-05-27T10:42:33.9866667+00:00
Jai Holloway
105
Reputation points
answered 2026-05-28T03:30:11.3033333+00:00
Nancy Vo (WICLOUD CORPORATION)
4,605
Reputation points Microsoft External Staff
Moderator
3 answers
How do I reinstall Visual Studio 2017 Professional IDE
I have my product key, but I can not find my downloadable VS2017pro
Developer technologies | Visual Studio | Setup
Developer technologies | Visual Studio | Setup
The process of installing, configuring, and customizing Visual Studio to support development workflows across languages, platforms, and workloads.
1,375 questions
asked 2026-05-22T21:34:12.6766667+00:00
MrWizard71
0
Reputation points
commented 2026-05-28T02:55:38.6633333+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(240, 36%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELD%3C/text%3E%3C/svg%3E)
Lizzy Dinh (WICLOUD CORPORATION)
530
Reputation points Microsoft External Staff
Moderator
2 answers
How do I fix .NET runtime installation error?
I keep getting a message to download and install .net runtime, x64, V 8.0.11. I downloaded the repair tool and it could not fix the problem. I have no idea how to fix this problem. suggestions?
Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .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.
1,323 questions
asked 2026-05-24T17:40:44.9866667+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(147.20000000000002, 52%, 24%)' 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)
Reg Keegan
0
Reputation points
commented 2026-05-28T02:55:05.96+00:00
Lizzy Dinh (WICLOUD CORPORATION)
530
Reputation points Microsoft External Staff
Moderator
2 answers
C++ Vectors
This is maddening, went to great lengths to make sure that the statements on either side of the = operator of the same type, still get a compiler error I = 0; do { float CH1 = PT1[I]; float CH2 = PT2[I]; float CH3 = PT3[I]; float…
Developer technologies | C++
Developer technologies | 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.
4,065 questions
asked 2026-05-26T21:02:14.4333333+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(131.20000000000002, 34%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESK%3C/text%3E%3C/svg%3E)
Sid Kraft
46
Reputation points
edited a comment 2026-05-27T18:03:42.4366667+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(262.40000000000003, 13%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDR%3C/text%3E%3C/svg%3E)
Darran Rowe
2,616
Reputation points
3 answers
C# support in Visual Studio 2026
Is C# supported in Visual Studio 2026? I see no mention of it in the VS 2026 release description. Does Microsoft still support C#?
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.
11,798 questions
asked 2026-05-25T22:58:31.48+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(281.6, 88%, 37%)' 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)
Fred Saxonberg
0
Reputation points
answered 2026-05-27T16:48:44.3433333+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)
84,061
Reputation points
2 answers
UWP app throws unhandled exception when installed from .msix package
This is a UWP app with Visual Studio Insiders [11709.129]. When deployed from Visual Studio, started with or without debugging to a Windows 10, an Xbox, or a Windows 11, it runs fine and is passing the tests. However, when the project is published to an…
Developer technologies | Universal Windows Platform (UWP)
Developer technologies | Universal Windows Platform (UWP)
A Microsoft platform for building and publishing apps for Windows devices.
3,084 questions
asked 2026-05-20T20:14:21.3+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(291.2, 51%, 38%)' 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)
WoodManEXP
40
Reputation points
edited a comment 2026-05-27T16:36:23.0366667+00:00
WoodManEXP
40
Reputation points
1 answer
Unable to cast object of type 'System.Collections.ArrayList' to type 'System.String[]' error in my WCF service
We have a WCF service that peforms exchange powershell commadlets and parses the responses into a required json format. Recently, we started seeing issues with User/Group commandlets where it is reporting the below issue. Unable to cast object of type…
Developer technologies | .NET | Other
Developer technologies | .NET | Other
Microsoft Technologies based on the .NET software framework. Miscellaneous topics that do not fit into specific categories.
4,167 questions
asked 2026-05-22T07:52:45.5266667+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, 38%, 28%)' 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)
Anusree
0
Reputation points
commented 2026-05-27T12:05:46.24+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(163.2, 69%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVD%3C/text%3E%3C/svg%3E)
Varsha Dundigalla(INFOSYS LIMITED)
5,025
Reputation points Microsoft External Staff
5 answers
Hur man löser denna uppgift i C# för årskurs 1.
Hur man löser denna uppgift i C# för årskurs 1. jag vill designa ett fönster som innehåller två stycken textboxar. I dem ska du kunna skriva in två heltal. Skapa också två etiketter(labels). När man trycker på en knapp så ska datorn sedan kontrollera om…
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.
11,798 questions
asked 2026-05-20T06:52:43.9033333+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, 18%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKD%3C/text%3E%3C/svg%3E)
Keven Day
0
Reputation points
edited a comment 2026-05-27T12:04:14.9233333+00:00
Varsha Dundigalla(INFOSYS LIMITED)
5,025
Reputation points Microsoft External Staff
2 answers
One of the answers was accepted by the question author.
Adding an Image to a custom control in MAUI
Hi there I have been asked to add an image to a view in an old Xamarin app that has been upgraded to MAUI. I am new to MAUI and the custom control is confusing me. I need to add and image placeholder, but set the image source when the form is loaded from…
Developer technologies | XAML
Developer technologies | XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
880 questions
asked 2026-05-27T10:06:51.6566667+00:00
Jai Holloway
105
Reputation points
answered 2026-05-27T10:44:45.38+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(201.6, 1%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJD%3C/text%3E%3C/svg%3E)
Jack Dang (WICLOUD CORPORATION)
18,640
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
DataGridView _CurrentCellDirtyStateChanged not firing
HI folks, I have a datagridview with a _CurrentCellDirtyStateChanged event attached to it. Inside this event there is code that updates other values in another grid. When the value of a cell is changed, by overtyping the value that is already there, it…
Developer technologies | Visual Studio | Debugging
Developer technologies | Visual Studio | Debugging
A core feature of Visual Studio that allows developers to inspect, analyze, and troubleshoot code during execution.
1,199 questions
asked 2026-05-26T15:18:56.33+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(249.60000000000002, 57.00000000000001%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJN%3C/text%3E%3C/svg%3E)
john noble
241
Reputation points
accepted 2026-05-27T10:05:48.1466667+00:00
john noble
241
Reputation points