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ASP.NET Core MVC with Identity - ArgumentNullException: Value cannot be null. (Parameter 'value') on signInManager.PasswordSignInAsync
What's up everyone, I've been having this issue when implementing Identity authentication to my app. This is the error I get: ArgumentNullException: Value cannot be null. (Parameter 'value') System.ArgumentNullException.Throw(string…


Printing a div card with exact styles as it appears on the web page
On my web form, I have these div card where there are labels with values, and two image controls. The labels on the card can have their font-family and color changed by the user o the client side to the desire of the user, using controls provided to do…


How to Increase None-Paged-Pool limit ??
Referring to the post on the link below, the size of NonePagedPool cannot exceed 128GB no matter how many RAMs are added to 1TB or…


Invoking azure functions server SignalR group functions from ASP.NET Core Client
I am trying to invoke azure functions server SignalR group functions from an ASP.NET Core client. The server side code that I am trying to invoke via an ASP.NET Core client can be found in this article. I have not found a single reference of a C#…


Why is Maui's "Colors.xml" not found building with Visual Studio Mac but is with Visual Studio Windows?
Using VS Mac 17.6 Preview 2, building a MAUI application, it is responding with "Resource "Resources/Styes/Colors.xml" not found (XFC0124)" as an error. Building the exact same code, just copied to the Mac for its build, with VS…


making an image box in Razor page
I want to make an image box on my razor page so that users can type or sign their name in that box. I want something like adobe acrobat offers. below is the screen shot: How can I achieve this.


Displaying progress bar in asp.net mvc
Hi, I have written following controller : public ActionResult ProgressBarDisplay() { int count = 0; // reads the count from database and updates the count double percentage = (count / 9) * 100; return View(percentage); …


I can't generate a Razor view in ASP.NET Core v7 - Package restore failed
I'm new in ASP.NET and I don't know exactly where is the error or which package is broken. It only occurs while generating a template of view. I can generate Controllers and empty Views normally. I reinstalled the Visual Studio, cleaned and rebuilt the…


Why .Net 8.0 does not show up as Traget Framework for a new .NET MAUI App on Mac?
I have installed both Visual Studio 2022 for Mac v17.6 Preview and .NET 8.0, all successfully installed. Platform: MacBook Pro, x64 (2.2 GHz, 6-core Intel Core i7, 16GB/256GB), macOS Ventura Version 13.1 I've also successfully run dotnet workload install…
Input control used to display and change font-family does not work with multiple javascript
I have controls that can be used to change font-family and colors of label controls. The input control is for changing font-family while the AjaxControlToolkit ColorPickerExtender is used to change labels color. At the top of my HTML page, I registered…


ContentView add GraphicView can display in android and not display in windows ? bug?
<ContentView xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:drawables="clr-namespace:myMolly.Drawables" …


Exposing NET 7 classes as COM for Excel VBA (and vb6)
I have a .net 7 class library with GUID and ComVisible attributes defined. Also added EnableComHosting tag in csproj. After registering (regsvr32) the comhost.dll it is usable from e.g. Excel VBA, but only as late bound. Anyone able to guide me further…


I can't find ASP.NET Web Application (.NET Framework) with c#
Hello I want to use ASP.NET Web Application (.NET Framework), and I have downloaded Visual Studio Community 2019 v16.11.3, and i have clicked the ASP.NET and web devleopment before i download it but I can't find the one i needed, I don't want the…


Can you please tell me how to animate the CommunityToolkit.Maui's Expander control for opening and closing it slowly?
I would like to show some hidden tips with a simple implementation of CommunityToolkit.Maui.Views.Expander control -- such as using a Label control as its content. It would be visually nice if the Expander opens and closes slowly, say with some Easing…
visual studio,why some Method never show in hint list?
It took a long time to find out why the CheckAccess Can't use in my project, The reason is below. just want to know why? It's so unreasonable
error when try to get values from object parameter 'object' does not contain a definition for 'employeeID'
I working on blazor web application server side by csharp . I face issue i can't get values of properties employee id and department code from object parameter to insert value on table I get compile time error when try to get value for property employee…


Remove Lines From Notepad and Write Data in New New Notepad With Group Key Repeated With Each Lines
Good Morning Great Minds ! I need Help to read Data From Notepad where a specific string(Group Key) repeated each page. I need To write Group key with each line of strings. in OriginalFile.txt i Removed unwanted Strings and Make a new file after remove…


NET MAUI - Keep keyboard focused on ListView update
I have a ListView with an ObservableCollection of Database Entries. When I update the Observable collection the focus of the Entry get lost and the keyboard disappears. Even when i set the focus afterwards manually the keyboard does not appear. Thats my…


Opening hyperlink in browser
My first take with Andriod I'm looking to open a link in an email in browser, like the screenshot. Other apps are listed and I wish to bring include my app as well... Any reference link or how to do helpers will be very help I am using C# Visual Studio…