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There is no ViewData item of type 'IEnumerable<SelectListItem>' that has the key 'designid'.
When i am passing data from view to controller then below error is coming There is no ViewData item of type 'IEnumerable<SelectListItem>' that has the key 'designid'. <div class="form-group"> …


How to Share Code Between Multiple Pages and Classes
I'm trying to share code between multiple Code Behind pages and multiple Classes that uses objects and methods of the Page class. Simple examples would be using the "response" and "session" objects. However, in my real example I'll be…
How to use NET MAUI releases with different NET versions
I am working on small tool using NET MAUI, but I am struggling to understand Microsoft's way of working on NET versions. While working on my tool, I have came up with certain bugs and reported them to Microsoft. Now they have fixed them. However I am…
ApiAuthorisation with foreign key
Hi, I have an application where it's necessary to have an ApiAuthorisation means to have several individual account. Also I need to use a foreign key. I defined modelBuilder has below : protected override void OnModelCreating(ModelBuilder…
This App Bundle contains native code, and you've not uploaded debug symbols. We recommend you upload a symbol file to make your crashes and ANRs easier to analyze and debug.
After uploading app bundle on google play it's showing this warning "This App Bundle contains native code, and you've not uploaded debug symbols. We recommend you upload a symbol file to make your crashes and ANRs easier to analyze and…


Net Maui CollectionView, Image Source
I have a CollectionView in .Net Maui, and this collectionview has items as Label and Image, ImageSource i am getting from URL, also I have bottom tabs, and when I am switching tabs and come back to parent tab, all images are lost in collectionview


How to fix Incomprehensible error in the whole of my application?
Hi, some time ago I made a blazor wasm .net core 6 application with VS version 17.2.3 and it works fine. However I opened the code today and I find myself with "red" everywhere, see the image below. Is this a problem with the VS version?…
How to insert data to table on SQL server using jQuery on blazor server side?
I work on blazor server side .I face issue I can't apply jQuery to insert data to SQL server database table owner . after apply script and check table SQL server no rows inserted so my issue jQuery not insert data my code as below : 1 - I create JS file…


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…


how to Clear Cookies not working on WebAuthenticator when Sign out
I am using Open ID Connect for sign in/out. i follow this link https://community.abp.io/posts/integrating-maui-client-via-using-openid-connect-aqjjwsdf After successful sign in, i sign out, then sign in again WebAuthenticator automatically logs me in…


Blazor MAUI blank screen on iOS
I have a Blazor Hybrid MAUI App that works great on Android. However, when I compile my code (both from VS and from dotnet publish in Azure Pipeline) to iOS the app just shows my splash screen and then shows a blank white screen (both on Simulator and on…


How to localizae application display name of iOS developed with .NET MAUI?
Display name is localized on android in (Resources\values) folder and it works as expected. However, I can't get it to work with iOS. What have been done: In info.plist make sure there is this code …


Identity/Authentication between ASP.Net MVC and Xamarin.Forms
Hi All, Just wondering if anyone has information on the best way to integrate Identity/Authentication ASP.NET MVC and Xamarin. I've created a standard ASP.NET Core application using the latest framework with Individual Accounts, I would like to…




Xamarin forms invoking javascript from webview
The android project in the sample as described in this article does not work. The iOS project works exactly as described in the article. The Android does nothing.…


Blazor Server- AD B2C - Public, User and Admin sections with simple .net core identity authentication / authorization technique
Update - I now believe combining @Michael Washington Azure AD Groups solution with my custom AuthorizationHandler solution is the best of both worlds. I don't have an example of it, but if you are going down this path, look in to it. Edited…


Maui android layout content to fite in screen size
Hello all. How I can ensure that my layout content fit in any device screen. I test my app in my phone and it's ok but how I can be sure that it will fit in any other android device. I know I can use scrollview. but I want to know if it possible to…


Visual studio 2022 Installation error
Can someone help me? I am getting this warning when I try to install .NET development for visual studio 2022 : Couldn't install Microsoft.VisualStudio.Community.Shared.Msi


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…


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…

