Content
How do I add a data entry control inside of the ListView.
I am trying to add a data entry control called Entry Cell inside of a ListView so that the user can enter data that I can save to the Database. I get the error... A value of type 'EntryCell' cannot be added to a collection or dictionary of type…


Perform (Create, Read, Update, and Delete) operations on a ListView in .Net Maui
Hi Friends. I have a ListView in a Content Page that I would like the user to be able to Perform (Create, Read, Update, and Delete) operations on in .Net Maui. Thanks in advance for for any help.


Exapand glyphicon-plus glyphicon-plus when collapsed on button click
I have a page with bootstrap glyphicon-plus glyphicon-minus in a span with a class. when the page loads the span is collapsed by default and I need to Expand it on a button click programmatically. I am doing $("#btn-search").click(function…
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…
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.…
ASP.NET Core MVC : complex data model reading related data
I am trying to display a drop-down on my DEVICES create.cshtml view of the names from CONTACT via the lookup table DeviceAssignments, below is an ERD. I am already able to display the drops downs for DeviceCategories and DeviceLocations, but I am not…


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 thanks


Turning off cascade deletes
I have a case where I need to turn off cascading deletes (two different models are both wanting to cascade delete and so one needs to be turned off). I think I have this right but I saw numerous different answers all over the place and so want to…


the service microsoft.visualstudio.shell.interop.iselectioncontainer already exists in the service container in VS2022
I recently installed Visual Studio 2022 Professional edition on my machine windows 2010. I'm just trying to create a sample windows form project and trying to open the designer / form by double clicking on Form1.cs and I'm getting this weird error…


A connection was successfully established with the server, but then an error occurred during the login process Error from .Net core WebAPI
Hi, I've an application that uses WebAPI in .Net core 6 and uses Kestrel server. When calling HttpPost request, the code tries to inject data in DB but fails with error: The certificate chain was issued by an authority that is not trusted. Inner…


Any sample .net websites with authentication & authorization?
I would like to create a web portal with the following features. Authentication & authorization Connect to sql database Pages are base on their roles where i can have the versatility to set A decent master page Create, Read, Update and delete…
After certificate update for signing ClickOnce application, ApplicationDeployment.CurrentDeployment.IsFirstRun is false
Since our certificate for signing our ClickOnce application expired recently, we rolled out a new one before deploying the next update of the application. The update worked fine, but our release notes weren't shown, as…


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…


Displaying Image within Project folder
Any idea why an image wouldn't display in core 6? Is there a problem with the line of code below...the way the path is transcribed? Is there a problem using png format in 6? <img src="/Media/Home.png" alt="Home Page"…


layout_width="wrap_content" has no effect to button
Hello In platform xamarin android <Button android:id="@+id/size" android:tag="size" android:text="@string/buttonsize" android:fontFamily="calibri" …


Designating a link open a .cshtml (view) file in a text editor
Is there a way to have a .net webpage link and open a .cshtml (view) page in either in Visual Studio or other text editor? <a href="/Views/Home/Notes.cshtml">View in Text Editor</a> Yields


Web form issue
Hi, I get "undefined" unexpectedly to the column/field below, while there is the proper row value returned from the table. What is the reason? html += "<td >货币</td><td style='font-weight:…


Net7 Maui Unable to load DLL 'Microsoft.ui.xaml.dll'
In Visual Studio, using Net7, when debugging project it runs fine. If I go to the directory and run the exe I get the following message in application log "Exception Info: System.DllNotFoundException: Unable to load DLL 'Microsoft.ui.xaml.dll' or…


Displaying Razor code without executing it.
The code below, using the <pre></pre> tag using <> substitution displays the html code successfully on a view page (see below) BUT... it requires the Razor elements... @RenderBody() @await…


Entity Framework, nullable, and no warnings or hacks
I am trying to get my model constructors written so that nullable works, with no warnings, and no having to assign default! - in other words, to do it all right. BTW, if I'm wrong on any of this, please let me know. I'm mostly there. What's left is…

