C# - Страница 2241

We have a Windows 2016 virtual server that is running with OneDrive service. The OneDrive is used to sync the Excel files stored in the corporate SharePoint. We are developing C# code on the virtual server.

The purpose of the code is to read/write...

My ASP.NET Core MVC web app is completed and shows no error, but when I try to deploy using an IIS profile to my web server, I get this error in the event log:

The certificate received from the remote server was issued by an untrusted certificate...

How can I do this in XAML:

PSEUDO-CODE:

so that the user sees stars or dots when he is typing in the password.

I've tried various examples which suggest PasswordChar and PasswordBox but can't get these to work.

e.g. I can do this as shown...

I still don't understand C# very well. but I have an idea for a game that I want to make.

I have a square object. I need it to be able to be dragged with the mouse, but at the same time it rotates depending on which point it is taken.

I also...

I'm working on an ASP.NET Core 8 application using Identity for authentication, including Google sign-in. After successfully signing in with Google, the application redirects to /signin-google, but this results in an unhandled exception: (Access...

I want to dynamically create and delete docker containers in Azure for processing export request which is passed as Service Bus Message in topics

I am expecting ACI containers to be created dynamically through code and delete them when the work is...

One of my automated testing projects is looking to use parameters under Azure DevOps Test Plan as an input for each test case. After I did my research I cannot find anything that relates to it. All I found is how to use test cases with parameters...

I'm doing some testing which outputs the full result set into script task (display messagebox) from Execute SQL Task using Foreach loop Container. but running into DTS Script task: runtime error.

Error Message box

Am I missing some sort of...

I'm trying to change the image when mouse is over a button, but it's not working here is what am trying to do :

But this gives me this error : Triggers collection members must be of type EventTrigger.

How would I make it work?

Источник:

INTRO
When inserting new elements into an existing presentation, some of them require a unique identifier (positive integer).

To avoid using the same identifier twice, we need to find the identifiers that are already in use.

The code below...

I created an ASP.NET Core 6 Razor pages project in Visual Studio 2022 and when I tried to create a razor page using Entity Framework (CRUD) in the Add new scaffolded item section, I get this error:

value cannot be null
parameter name:...

In my code, the List ids did not take the data.Id value, taken from @bind=@data.Id. The reason for that is unknown. Please, is there any suggestions, because I am new to data binding? The list was printed out by the last Console... line and one got...

I'm developing an ASP.NET Core 8 API with Angular frontend (both hosted in Azure App Service). In the frontend application, I have a dashboard page that needs to display data pulled from multiple databases hosted in Azure SQL. The challenge is that...

I initially configured my Console application using .NET generic host as follows:

var builder = new HostBuilder() .ConfigureServices((hostContext, services) => { services.AddLogging(); }) .ConfigureLogging((hostContext, configLogging) => {...

I am following one tutorial and CSS worked for Shared razor pages. First example works fine and does everything it needs, but the second does not load CSS. No color changes or image size.

@inject IProductService ProductService...

I'm relatively new to building web applications and could use some assistance. I've developed a C# backend using the ASP.NET Web API framework in Visual Studio, along with a simple frontend using JavaScript and HTML.

Currently, my backend works...

I do get an (IMHO) unexpected Exception InvalidOperationException Sequence contains no elements in the below code, where I believe this should not be the case. Please see the code, background info and description below.

The Issue

For the sake...

INSERT INTO Report ( TestDetailID, ReceiptID, TestID, DrName, ReceiptDate, ReceiptTime, PatientName, Age, Sex, AgeDesc, Telephone, Address, DrID, ReportDate, ReportTime, CurrentUser, , ReportType, TestPartID, PARTICULARS, , , PartType, Results,...

I have three class in my project:

public partial class Product { public string? Title { get; set; } public string? UrlAddress { get; set; } public virtual ICollection ProductSizes { get; set; } public virtual Picture? Picture { get; set; } }...

I'm basically opening the docx file taking the xml part and doing a string find/replace but the string I'm replacing with has /r/n in it. Whenever I do that I get the error Memory stream is not expandable . If I remove the /r/n it works find but I...

I am able to connect to H2 database from my C# application with the help of below mentioned URL

org.h2.Driver.load(); Connection conn = DriverManager.getConnection( jdbc:h2:~/test , sa , sa ); Statement stat = conn.createStatement(); //Working...

I am trying to import data from a csv to a gridview, but for some reason, I get the following error:

DataBinding: 'System.Data.DataRowView' does not contain a property with the name 'Col5'.

Here is how the csv looks like:

I would like to...

I have some code that uses the GetOrAdd function from ConcurrentDictionary to add values with a unique key to a holder. However, I want to be able to tell if a values key is found (i.e. a true returned from TryGet) or whether it has to be added.

I...

I post screenshot with Diagram/Generated DLL/Simple Main/And error throwing

public ActionResult Add_category(tbl_category cat) { List catLi = db.tbl_category.OrderByDescending(x => x.cat_id).ToList(); ViewData = catLi; tbl_category c = new...

How to generate an ECSDA key pair using the SecP256r1 curve in C# ??

Currently, I am using Bouncy Castle

Below is the code, that I am using to generate the ECSDA private key.

// Create ECDSA key pair generator var ecKeyPairGenerator = new...