Category Archives for c-sharp

In C#, How Can I Utilize Assert In MSTest To Confirm The Occurrence Of An Exception Being Thrown?

In C# with MSTest, you can use the Assert.ThrowsException method to verify that an exception has been thrown. Here’s an example: [TestClass] public class MyTestClass { [TestMethod] public void MyTestMethod() { // Arrange var myObject = new MyObject(); // Act and Assert Assert.ThrowsException<SomeException>(() => myObject.MyMethod()); } } public class MyObject { public void MyMethod() { […]

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C#: Unable To Read Data From The Transport Connection : An Existing Connection Was Forcibly Closed By The Remote Host

This error occurs when an existing network connection is terminated unexpectedly by the remote host. There are a few possible reasons for this error: Server-side issue: The remote host (server) forcefully closes the connection, either due to a timeout, an error on the server, or the server going offline. Network issue: There might be network […]

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In C#, How Can I Obtain A String Representation Of An ISO 8601 Date From A DateTime Object?

In C#, you can use the DateTime.ToString() method with the desired format specifier yyyy-MM-ddTHH:mm:ss.fffZ to get an ISO 8601 formatted date as a string. The Z represents the UTC time zone offset. Here’s an example: DateTime dateTime = DateTime.Now; string isoDate = dateTime.ToString("yyyy-MM-ddTHH:mm:ss.fffZ"); Console.WriteLine(isoDate); Output: 2022-10-10T15:30:45.123Z Note that this will give you the current date […]

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How Can A Byte Array Be Initialized To A Specific Value In C#, Other Than The Default Null?

In C#, you can initialize a byte array to a specific value by utilizing the Enumerable.Repeat method along with the ToArray method. Here’s an example: byte value = 10; // The value you want to initialize the array with byte[] byteArray = Enumerable.Repeat(value, sizeOfArray).ToArray(); In the example above, value represents the value you want each […]

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How Can I Automatically Configure Appsettings.json For Both Dev And Release Environments In ASP.NET Core Using C#?

In ASP.NET Core, you can automatically set the appsettings.json file based on the environment in which the application is running. This allows you to separate your application configurations for different environments, such as development, testing, and production. Here are the steps to achieve this: Create separate appsettings.json files for each environment you want to support. […]

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What Distinguishes Public, Private, Protected, And Having No Access Modifier In C#?

In C#, access modifiers are used to control the accessibility of classes, methods, properties, and other members within a program. Here is a breakdown of the different access modifiers in C#: Public: The public access modifier allows unrestricted accessibility to a class, method, or property from anywhere within the program, as well as from external […]

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C#: ASP.NET 5 MVC: Unable To Connect To Web Server ‘iis Express’

There can be several reasons why you might be unable to connect to the IIS Express web server in ASP.NET 5 MVC. Here are a few suggestions to troubleshoot the issue: Make sure IIS Express is installed: Ensure that you have IIS Express installed on your machine. You can check this by searching for "IIS […]

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In Asp.Net Core, How Can Multiple Implementations Of The Same Interface Be Registered In C#?

To register multiple implementations of the same interface in ASP.NET Core, you can make use of the built-in dependency injection container. You need to configure the container to recognize and resolve multiple implementations for the interface. Here’s an example of how you can register multiple implementations: First, define your interface, let’s say ISomeInterface: public interface […]

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In Visual Studio, What Is The Method To Activate NuGet Package Restore For C#?

To enable NuGet Package Restore in Visual Studio, follow these steps: Open your solution in Visual Studio. Right-click on the solution in the Solution Explorer and select "Enable NuGet Package Restore". If you don’t see this option, it means that your solution is already set up for automatic package restore. Visual Studio will now add […]

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In C#, How Can I Obtain The Current Username In .net?

You can use the Environment.UserName property to retrieve the current username in .NET using C#. Here’s an example: using System; class Program { static void Main() { string username = Environment.UserName; Console.WriteLine("Current username: " + username); } } This will display the current username in the console.

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