Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,710 questions
1 answer
ERROR: System.Xml.XmlException: 'Name cannot begin with the '<' character, hexadecimal value 0x3C
This is a MSDN question asked by Noahi23, the source is ERROR: System.Xml.XmlException: 'Name cannot begin with the '<' character, hexadecimal value 0x3C. Whenever I try to send a POST request to my API it gives me this error in my WPF application.…
asked 2020-03-27T08:09:30.127+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, 9%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECH%3C/text%3E%3C/svg%3E)
Charles He-MSFT
96
Reputation points Microsoft Employee
commented 2021-02-15T20:12:14.963+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, 0%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
moreemo
1
Reputation point
3 answers
One of the answers was accepted by the question author.
C++/CLI How to Display Ram Info in GB
private: System::Void button2_Click(System::Object^ sender, System::EventArgs^ e) { ManagementObjectSearcher searcher("select * from Win32_Processor"); ManagementObjectSearcher searcher1("select * from Win32_VideoController"); …
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.
10,648 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.
3,636 questions
VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
2,668 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.
1,141 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(0, 11%, 10%)' 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)
1 answer
HTTP Call to SQL Database - Error 'contentReceived' does not match memory scopes
Hi There, I am using the Microsoft Bot Framework composer to make an API call via HTTP to Mockapi resource. There is an open API on the other end. The HTTP call works fine in the Browser. But when I run the bot and the HTTP call is executed, I am…
Azure AI Bot Service
Azure AI Bot Service
An Azure service that provides an integrated environment for bot development.
807 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.
1,141 questions
asked 2021-02-14T22:29:40.137+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, 90%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMN%3C/text%3E%3C/svg%3E)
Murali Nagaraj
21
Reputation points
answered 2021-02-15T13:58:07+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, 11%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERM%3C/text%3E%3C/svg%3E)
Ramr-msft
17,731
Reputation points
1 answer
One of the answers was accepted by the question author.
How to migrate App Service to an Azure Function?
We want to change App Service to an Azure Function but we have old apps that point to the .....azurewebsites.net url. How can we do this and preserve the current url of the app or redirect from the app service link to the new azure function endpoint.
![](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, 69%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
something about vs2019's web service
i want create a middleware between winform and xamarin, so i must bulid a middleware by web service. i have add and setup iis , a new web application, but i can not find "web service" item on the right-key list that after right key on the…
Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,326 questions
Windows for IoT
Windows for IoT
A family of Microsoft operating systems designed for use in Internet of Things (IoT) devices.
384 questions
Visual Studio
Visual Studio
A family of Microsoft suites of integrated development tools for building applications for Windows, the web and mobile devices.
4,888 questions
asked 2021-02-13T09:48:42.173+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(89.60000000000001, 96%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDZ%3C/text%3E%3C/svg%3E)
daniel zhou
21
Reputation points
accepted 2021-02-15T10:58:20.677+00:00
daniel zhou
21
Reputation points
0 answers
I would like to set the AddMicrosoftIdentityWebApp based on the request url (B2E, B2C) type to achieve authentication in Statup.cs
he code we are trying in ConfigureServices(IServiceCollection services) method in Statup.cs //Based on request type the code should pick the configuration needed…
ASP.NET Core
ASP.NET Core
A set of technologies in the .NET Framework for building web applications and XML web services.
4,400 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.
1,141 questions
asked 2021-02-15T10:57:06.093+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, 60%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAS%3C/text%3E%3C/svg%3E)
Amit Singh Rathore
0
Reputation points
asked 2021-02-15T10:57:06.093+00:00
Amit Singh Rathore
0
Reputation points
5 answers
One of the answers was accepted by the question author.
Using Combobox Interaction.Triggers add many seconds when changing DataContext
Would anyone have any advice as to why adding Interaction.Triggers onto my comboboxes make changing the Grids DataContext really slow? Like adds about 1 second per trigger event so with 8 comboboxes needing Interaction.Triggers it takes about 8 seconds…
asked 2021-02-14T04:03:01.787+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(67.2, 28.999999999999996%, 16%)' 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)
scott thomson
66
Reputation points
answered 2021-02-15T09:32:01.453+00:00
scott thomson
66
Reputation points
1 answer
One of the answers was accepted by the question author.
Logging CRUD operations ASPNET Core, AspNetUsers, AspNetUserRoles
Hi, I want to log and create UI where logs of CRUD operations could be viewed. It can be which user updated what fields or columns The Users are ASPNETUSERS Can we get such logging ? I am using EF ASP.Net Core MVC Thanks, Regards.
asked 2021-02-12T12:47:23.217+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, 69%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMG%3C/text%3E%3C/svg%3E)
murtaza gandhi
81
Reputation points
accepted 2021-02-15T08:38:10.153+00:00
murtaza gandhi
81
Reputation points
1 answer
I can't create a LaunchScreen.storyboard without getting a "Something went wrong" error.
I'm bringing this across from https://forums.xamarin.com/discussioncomment/426571#Comment_426571, because I still don't have a solution after two weeks. I'd love to publish this before Christmas! I code on a 64-bit acer laptop in VS 2019 which is…
1 answer
One or more reference(s) to type 'UIKit.UIWebView' still exists inside 'Xamarin.Forms.Platform.iOS
Hello, I'm working on a fix for our Xamarin application to prevent blocking due to UIWebView deprecation. Before the start I had tried to add --warn-on-type-ref=UIKit.UIWebView and build. So, "warning MT1503: One or more reference(s) to type…
asked 2020-12-18T15:31:07.127+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, 70%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOS%3C/text%3E%3C/svg%3E)
Oleksandr Savchuk
1
Reputation point
answered 2021-02-15T08:20:57.373+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, 95%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOS%3C/text%3E%3C/svg%3E)
Oleksandr Savchuk
1
Reputation point
2 answers
I have issue with while column of datatable is false in columndef
Hi, My issue is when I set false in datatables "visible": @(User.IsInRole("Admin") ? "true" : "false") when it is false it throws error while editing the model from edit.cshtml since automatic null value…
asked 2021-02-12T11:43:26.477+00:00
murtaza gandhi
81
Reputation points
answered 2021-02-15T06:13:16.997+00:00
Michael Wang-MSFT
1,061
Reputation points
2 answers
TapGestureRecogniser does not work inside a ListView ItemTemplate
I have an Android 9 Xamarin Forms app (no iOS) in which I'm binding a ListView to an ObservableCollection<Comp>. Inside each Comp instance is another ObservableCollection<CompEvent> (sporting events within a competition) and everything works…
asked 2021-02-14T00:04:56.53+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(64, 37%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
MikeC
21
Reputation points
answered 2021-02-15T03:40:59.423+00:00
Cole Xia (Shanghai Wicresoft Co,.Ltd.)
6,751
Reputation points
1 answer
In Xamarin，when I follow the official website tutorial, there is no AXML file in the layout folder of the new Android project I created, only XML file. Why?
When I follow the official website tutorial, there is no AXML file in the layout folder of the new Android project I created, only XML file. Why? I use VS2019
Xamarin
Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
5,326 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.
10,648 questions
asked 2021-02-12T07:41:51.277+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(38.4, 17%, 13%)' 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)
shibayan
1
Reputation point
answered 2021-02-15T02:37:03.52+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(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.)
72,251
Reputation points Microsoft Vendor
0 answers
Restrict remote access by mistake in credentials
Hi. Is there a way to restrict access by minutes / hour to users every time they make a mistake while typing their username and password? all this by remote access in windows. I have read that it can be restricted by ip / Mac, but wanted to find out and…
asked 2021-02-12T11:32:48.823+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, 80%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMG%3C/text%3E%3C/svg%3E)
Marco Garrido P
1
Reputation point
commented 2021-02-15T02:25:58.127+00:00
DaisyTian-1203
11,621
Reputation points
0 answers
Xamarin.Forms with WebView and xslt Transformations (Visual Studio for Mac)
I am using latest Visual Studio and Xamarin.Forms 5.x and I am trying to port my Visual C++ MFC application over to Xamarin.Forms. I am hoping to create a MacOS / iOS version. I stumbled over this rather old discussion about my question. But the link…
![](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, 83%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
2 answers
HttpClient.PostAsync - System.Net.Http.Formatting exception
I am running a .NET Standard 2 project. I have added the Microsoft.AspNet.WebApi.Client (5.2.7) package. My call to HttpClient.GetAsync are working fine, but as soon as I try HttpClient.PostAsync, HttpClient.PostAsJsonAsync (or event the PutAsync…
asked 2021-02-13T11:55:39.693+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(259.20000000000005, 40%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECM%3C/text%3E%3C/svg%3E)
Craig Muckleston
161
Reputation points
answered 2021-02-14T13:15:42.71+00:00
Duane Arnold
3,216
Reputation points
3 answers
One of the answers was accepted by the question author.
Navigation.PushModalAsync() does nothing
Hello, I've a Shell-based XF app and upgraded recently from 4.6.0.847 to (currently) 5.0.0.1931. On some page, I handle a tap event like that: void OnEditClicked(System.Object sender, System.EventArgs e) { // Additional…
asked 2021-02-11T16:55:54.177+00:00
Xavier Perseguers
121
Reputation points
accepted 2021-02-14T09:02:12.993+00:00
Xavier Perseguers
121
Reputation points
3 answers
One of the answers was accepted by the question author.
Data mismatch Error
I have a query that is run to update values changed during editing of controls on a form. When the query is run I get the error message stating, "Data type mismatch in criteria expression.". This only occurs if one of the text boxes with…
asked 2021-01-27T01:40:18.163+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(12.8, 51%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGW%3C/text%3E%3C/svg%3E)
Glenn Walker
251
Reputation points
accepted 2021-02-14T04:23:08.577+00:00
Glenn Walker
251
Reputation points
0 answers
Need some logic advice
This is not specifically about VB Net except that is what I am using to create the program. Trying to make a "Numbrix" puzzle. If you aren't familiar with Numbrix, it's a 9x9 grid of numbers where the requirement is simple, you must be able to…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,648 questions
asked 2021-01-25T01:41:12.497+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(153.6, 91%, 24%)' 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)
Devon Nullman
21
Reputation points
commented 2021-02-14T02:30:39.463+00:00
Devon Nullman
21
Reputation points
1 answer
One of the answers was accepted by the question author.
Upgraded Xamarin Forms and Essentials to latest version and now app will not build
HI all, I have a Xamarin Forms Android project that I developed a couple of years ago and it was using an older version of Xamarin Esssentials and Forms (can't remember the versions sorry) but now after updating both Xamarin.Essentials to v1.6.1 and …