782 questions
2 answers
Could not load type 'Microsoft.EntityFrameworkCore.Metadata.Internal.AdHocMapper'
I'm using .NET 8.0, Entity FrameworkCore 9.0.2, MySql.EntityFrameworkCore 9.0.0 and when I try to get data from the database I get the following error. How to resolve this problem? System.TypeLoadException: Could not load type…
Developer technologies | .NET | Entity Framework Core
Developer technologies | ASP.NET | ASP.NET Core
4,842 questions
Developer technologies | .NET | Other
Developer technologies | .NET | Other
Microsoft Technologies based on the .NET software framework
4,115 questions
asked 2025-02-18T09:23:05.2533333+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(28.799999999999997, 42%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMK%3C/text%3E%3C/svg%3E)
Misha Kurytsia
0
Reputation points
commented 2025-08-12T10:13:43.1966667+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)
1,020
Reputation points Microsoft External Staff
4 answers
One of the answers was accepted by the question author.
how cancel token work in these cases
following code is from https://learn.microsoft.com/en-us/dotnet/csharp/asynchronous-programming/cancel-an-async-task-or-a-list-of-tasks i could not understand when it will show following two messages from last main code. Console.WriteLine("Download…
Developer technologies | ASP.NET | ASP.NET Core
4,842 questions
asked 2025-08-08T12:15:47.5066667+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, 75%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERY%3C/text%3E%3C/svg%3E)
rajesh yadav
291
Reputation points
commented 2025-08-12T10:13:29.02+00:00
rajesh yadav
291
Reputation points
2 answers
How to remove server from server explorer list in Visual Studio
I am sorry if the tag is wrong. I could not find a visual studio tag. The issue is that I have by mistake connected to my own pc as a 'Windows Server' and now it is showing up in the Server Explorer of Visual Studio 2022. I am able to view 'Event Logs',…
Developer technologies | Visual Studio | Setup
1,222 questions
asked 2025-07-25T15:15:51.3633333+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(268.8, 17%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
gagrim808
91
Reputation points
commented 2025-08-12T10:12:49.3233333+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, 9%, 13%)' 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)
Adiba Khan
245
Reputation points Microsoft External Staff
1 answer
Frame work error
I am using VS build task but failing with following error ##[error]C:\Program Files\Microsoft Visual Studio\2022\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(1259,5): Error MSB3644: The reference assemblies for…
Developer technologies | .NET | Entity Framework Core
782 questions
asked 2025-08-01T04:56:26.2066667+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(243.2, 75%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETK%3C/text%3E%3C/svg%3E)
tarun k
555
Reputation points
commented 2025-08-12T10:11:35.6966667+00:00
Adiba Khan
245
Reputation points Microsoft External Staff
2 answers
i have created an app which i used C# But every time i want to run it on domain its doesnt open the form but in task manager its showing
Application: DcmFolderScan.exe CoreCLR Version: 8.0.1825.31117 .NET Version: 8.0.18 Description: The process was terminated due to an unhandled exception. Exception Info: System.Windows.Markup.XamlParseException: The invocation of the constructor on type…
Developer technologies | C#
11,602 questions
asked 2025-07-30T07:20:31.9566667+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(48, 94%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIM%3C/text%3E%3C/svg%3E)
Isaac Mhango
0
Reputation points
commented 2025-08-12T10:10:32.1266667+00:00
Adiba Khan
245
Reputation points Microsoft External Staff
2 answers
C# - CS0103 : The name 'Brushes' does not exist in current context
Hi I'm new to C# and trying to plot a graph in IX developer, got the following code of the web, all compiles fine except for the pens and brushes colors which gives a CS0103: Error saying they don't exist in the current context, can anyone guide me as…
Developer technologies | C#
11,602 questions
asked 2025-08-07T16:50:43.21+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, 73%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJP%3C/text%3E%3C/svg%3E)
Jacques Prinsloo
0
Reputation points
commented 2025-08-12T10:09:23.0166667+00:00
Adiba Khan
245
Reputation points Microsoft External Staff
5 answers
How to load jquery autocomplete dropdown box from an external WEB API
Good day everybody: I have an external web api which returns a label, value records needed for a client application app.MapGet("/AsyncAutocompleteErf/{search}", async (IErvenRepository request, string search) => { var data = await…
Developer technologies | ASP.NET | ASP.NET Core
4,842 questions
Microsoft 365 and Office | Development | Office JavaScript API
1,074 questions
Developer technologies | ASP.NET | Other
3,609 questions
asked 2025-02-06T10:32:43.52+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, 30%, 38%)' 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)
Jose Daniel Navarro Brito
61
Reputation points
commented 2025-08-12T10:05:13.8333333+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, 98%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERH%3C/text%3E%3C/svg%3E)
Raymond Huynh (WICLOUD CORPORATION)
620
Reputation points Microsoft External Staff
1 answer
composite key http
@Html.ActionLink("Edit", "Edit", new { item.monthr,item.tennant }) getting an error . monthr and tennant are the keys.
Developer technologies | ASP.NET | ASP.NET Core
4,842 questions
asked 2025-07-02T07:19:41.8266667+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(252.8, 44%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
asgar ali
0
Reputation points
commented 2025-08-12T10:04:06.59+00:00
Raymond Huynh (WICLOUD CORPORATION)
620
Reputation points Microsoft External Staff
2 answers
How do I control which database to use when a Blazor Server app starts?
I'm working on a rewrite of an old WebForms application. I want to be able to control, through a GitHub Action running in a self-hosted runner, which database (test or production) the application should run against. I thought I could do this with the…
Developer technologies | ASP.NET | ASP.NET Core
4,842 questions
asked 2025-07-03T16:56:57.9066667+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, 35%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFR%3C/text%3E%3C/svg%3E)
Falanga, Rod, DOH
290
Reputation points
commented 2025-08-12T10:03:00.78+00:00
Raymond Huynh (WICLOUD CORPORATION)
620
Reputation points Microsoft External Staff
1 answer
Microsoft Graph API – OnlineMeeting: Organizer cannot be added as attendee
Hello, I’m using the Microsoft Graph API (v1.0) in C# to create Teams meetings using the onlineMeeting resource. I need a scenario where the organizer of the meeting is also explicitly listed in the attendees collection. However, when I include the…
Developer technologies | C#
11,602 questions
asked 2025-08-11T14:55:40.3466667+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(140.8, 40%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESB%3C/text%3E%3C/svg%3E)
Sébastien B
0
Reputation points
answered 2025-08-12T09:36:30.5766667+00:00
Adiba Khan
245
Reputation points Microsoft External Staff
1 answer
The Picker icon is not appearing in .NET MAUI on Windows 11.
.NET 8Installed Workload Id Manifest Version Installation Source android 35.0.39/9.0.100 SDK 9.0.100, VS 17.12.35527.113 aspire 8.2.2/8.0.100 SDK 9.0.100, VS 17.12.35527.113 ios …
Developer technologies | .NET | .NET MAUI
4,050 questions
asked 2025-03-26T12:28:08.53+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, 32%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESV%3C/text%3E%3C/svg%3E)
Sowndarrajan Vijayaragavan
470
Reputation points
answered 2025-08-12T09:22:52.1833333+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, 83%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EML%3C/text%3E%3C/svg%3E)
Michael Le (WICLOUD CORPORATION)
995
Reputation points Microsoft External Staff
4 answers
Unexpected Error with MapRouteFinder in UWP App
Encountering an issue with the Bing Maps in a Microsoft UWP app when attempting to render a path. An "Unspecified error" is returned when passing the following four waypoints to the Bing Maps API via the…
Developer technologies | Universal Windows Platform (UWP)
3,043 questions
asked 2025-07-29T10:24:09.75+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(86.4, 35%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELT%3C/text%3E%3C/svg%3E)
Lokender Tiwari
0
Reputation points
answered 2025-08-12T09:18:52.19+00:00
Lokender Tiwari
0
Reputation points
3 answers
UI freezes for sometime after UI binding
My data is binding to UI quickly but the UI freezes for few seconds and I have only 2 records. I am loading data in ContentView Loaded event var newStops = await Task.Run(() => { return response.Stops .OrderByDescending(x =>…
Developer technologies | .NET | .NET MAUI
4,050 questions
asked 2025-06-15T17:09:15.28+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(198.4, 23%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESG%3C/text%3E%3C/svg%3E)
Shashank Gaddam [C]
20
Reputation points
commented 2025-08-12T08:56:24.51+00:00
Michael Le (WICLOUD CORPORATION)
995
Reputation points Microsoft External Staff
1 answer
Entry field control is covered by keyboard
Hello, I have a view with 4 Entry controls, when I try to type inside the control, the keyboard will cover the Entry field. is there any way to shift up the control to be above the keyboard?
Developer technologies | .NET | .NET MAUI
4,050 questions
asked 2023-03-29T13:11:02.2266667+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, 95%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAO%3C/text%3E%3C/svg%3E)
ahmed omar
181
Reputation points
edited a comment 2025-08-12T08:55:22.6466667+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(121.6, 51%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJF%3C/text%3E%3C/svg%3E)
Jaboulay, Francois Gael
5
Reputation points
1 answer
net maui find one tree control for free thanks!
请大神介绍一个树形控件，免费的开源的。谢谢。类似syncfusion的treeview但这个是收费的。Uranium 这个里面有免费开源的吗。只要树形控件就可以。
Developer technologies | .NET | .NET MAUI
4,050 questions
asked 2025-06-03T11:40:41.24+00:00
张中伟
80
Reputation points
commented 2025-08-12T08:53:40+00:00
Michael Le (WICLOUD CORPORATION)
995
Reputation points Microsoft External Staff
3 answers
Excel VBA: Can my VBA code determine whether Solver is running?
Is there a way to test whether Solver is running? I have a section of VBA code that must be skipped if Solver is running. I'm using MS Office LTSC Professional Plus 2024 (Windows).
Developer technologies | VB
2,897 questions
asked 2025-08-09T18:42:52.5233333+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(252.8, 17%, 34%)' 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)
Dave Post
0
Reputation points
answered 2025-08-12T08:34:39.2333333+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)
795
Reputation points Microsoft External Staff
4 answers
The correct CChildFrame is not activated after the predecessor is closed.
MFC MDI application. Opened several CChildFrame s. (To illustrate better my issue I identified every CChildFrame with an unique id.) Opened, lets say, 5 CChildFrame. 1, 2, 3, 4, 5. List the order of the CChildFrame by menu: About: List…
Developer technologies | C++
3,988 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(297.6, 64%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EF%3C/text%3E%3C/svg%3E)
1 answer
How to Run Instrumentation Profiling with a DLL in Visual Studio 2019 and 2022
In Visual Studio 2017, the Performance Profiler (Instrumentation mode) lets you select both a DLL and an EXE file. However, in Visual Studio 2019 and 2022, I am unable to select a DLL using the Debug → Performance Profiler → Instrumentation option. What…
Developer technologies | Visual Studio | Testing
373 questions
asked 2025-08-11T05:41:35.19+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(92.8, 67%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETC%3C/text%3E%3C/svg%3E)
test code
1
Reputation point
answered 2025-08-12T08:16:00.1966667+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, 73%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EST%3C/text%3E%3C/svg%3E)
Susmitha T (INFOSYS LIMITED)
160
Reputation points Microsoft External Staff
2 answers
One of the answers was accepted by the question author.
Navigate PopToRoot when Tab Reselected in .NET MAUI Windows
Navigate PopToRoot when Tab Reselected in .NET MAUI for Windows same like Android as per below ticket for your reference. https://learn.microsoft.com/en-us/answers/questions/2041922/navigate-poptoroot-when-tab-reselected-in-net-maui
Developer technologies | .NET | .NET MAUI
4,050 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(188.79999999999998, 4%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EB%3C/text%3E%3C/svg%3E)
1 answer
MAUI: Notification icon is blank in Android 15
I am using below code to show the push notification icon in my MAUI application: private void CreateNotificationChannel() { try { var channelId = $"{PackageName}.general"; var notificationManager =…
Developer technologies | .NET | .NET MAUI
4,050 questions
asked 2025-04-28T14:53:02.68+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, 75%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
Sreejith Sreenivasan
1,001
Reputation points
answered 2025-08-12T07:49:58.95+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(54.400000000000006, 39%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETD%3C/text%3E%3C/svg%3E)
Tony Dinh (WICLOUD CORPORATION)
725
Reputation points Microsoft External Staff