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How rendering handling concurrency in razor page from API response?
Hi, I'm following up on all the discussions I've had about handling concurrency errors. 1 - I would like to know if it is possible to handle concurrency errors in a context where I have a DataGrid in edition mode on a line? 2 - I have defined a put…
How to create a Splash screen on Andriod
Hi, What is the easiest way to create a Splash screen for my Xamarin project. I can't get it to work. Now my app won't work at all. Some help would be appreciated.

How to get past "To start Android, enter your password"
I just installed VS2019 and Xamarin for multiplatform development. Created a "Blank" project. When I launch Android_Accelerated_x86_Nougat ... which displays a "To start Android, enter your password". How do I get an Android password?
Three material Design TextBoxes inside one MaterialDesignFloatingHintTexbox in WPF
I have a MaterialDesignFloatingHintTextBox which displays a "Date of Birth" hint to my users when it is empty. Here is what I want to implement: the TextBox to display three TextBoxes to the user when clicked in like this, so that my users…
EF Core: Map multiple c# classes to DB table
Hello, I have a DB table named JobPosting with 60 columns. I'd like to have 2 c# entities JobPostingFull & JobPostingLite which both reference the JobPosting table. The JobPostingFull class has all columns from the DB, the JobPostingLite class has…
Multiple app shells
Hi, In app.cs ctor i have condition to move to login through AppShell or to move to main page. It possible to create new app shell and move to main page through this new app shell? Thanks,
How to automatically swipe images in gallery
Hi, Please I have 3 images in gallery. Is a way to automatically swipe these images using javascript or CSS? As the image in front swipes to the right, the image on the left should swipe to the right and vice versa. .gallery{width:…
Display value of DropDownList SelectedItem on a label
Hello, I have been trying to show the value of DropDownList selecteditem in a label but all efforts could not yield desired result. I have a table Data as follows: IdFruits colors1Apple Red2Banana …
How to protect Net.Core server from malicious content uploads by users?
Hi! I have a website where on certain pages the user can (through checks in the controller method): To save (upload to server) text in text fields and to CKEditor. To save (upload to server) images (.jpg) to website through CKEditor and through …
How to check for null column in a DataRow
I'm using DataTables in 4.7.2, and I have defined a table with 2 columns, Start_Date and End_Date. If the 2nd column has a null value, how can I check for that? Right now I've gotten this far, which abends at runtime: // foreach (DataRow eachrow in…
"Failed to get document because the client is offline" error in Xamarin.Forms project
Here is my code of App.xaml.cs file of a Xamarin.Forms project: public partial class App : Application { public App() { CrossFirebaseCrashlytics.Current.HandleUncaughtException(); InitializeComponent(); …
Creating a list with two different tables
I have following two tables Employee and file Path Employee - employeeId is primary key with Identity specification EmployeeId FirstName lastName 1 Mario Gonazales 2 Mario2 Gonazales2 3 …

Maui mobile app using Signalr is encoding hub name in ConnectionData parameter on iOS 17
We have a mobile app in production built using Maui. The server running the api is it connecting to uses .net framework. There are issues connecting to signalR from iOS17 devices. From debug we can see the following: iOS 17 device sets the connectionData…
HttpListener used on Xamarin.IOS app. "Safari cant open the page because it couldn't connect to the server" error only on iOS 17 devices.
Our project uses the latest Xamarin and our app has a function that creates a HTTP server to store a html and config file, and we use SfSafariViewController to view the contents on the html file. However, after the release of iOS17, this function does…
how to remove realm database used in swift iOS in .NET MAUI?
Hello, I rebuild iOS app using .NET MAUI. There was data stored in realm database in iOS app. In MAUI, i want to remove it because it's no longer needed. Is there any way to do that? Thanks
Is there a way to automate adding the FullText Index to an Entity Framework migration
Hi all; Yes I can add the script to the Migration.Up() everytime I revise my model. But that is fundamentally no different from having a CreateIndexes.sql that I just run in SSMS after creating a DB. Is there some way to declare the full text indexes in…

Maui- app.cs write in constructor http call
Hi, I need to write http call asynchronously and i have only constructor their. Is not allowed to make asynchronous call in constructor? Thanks,
LINQ and VB 2015 : Select Distinct in Sub-List of Objects...
Hi, this is a simple example about my task. I have a List of Objects, let's say a group of Persons and each Person has a Property which is a List of other type of Objects, let's say Colors. I'd like to get a Distinct List of all Colors kept by all…
getting the data from two different tables in a list
I have following two tables Employee and file Path Employee - employeeId is primary key with Identity specification EmployeeId FirstName lastName 1 Mario Gonazales 2 Mario2 Gonazales2 3 …
