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ASP.NET Core Interview Questions and Answers

Here are some common interview questions and answers for ASP.NET Core: 1.      What is ASP.NET Core and how is it different from ASP.NET? ASP.NET Core is a cross-platform, open-source framework for building modern, cloud-based web applications. It is a re-imagining of ASP.NET, with a focus on performance, modularity, and flexibility. Unlike ASP.NET, ASP.NET Core can run on Windows, Linux, and macOS, and it includes a number of features and improvements over its predecessor. 2. What are some key features of ASP.NET Core? Some key features of ASP.NET Core include: Cross-platform compatibility Improved performance and scalability Modular architecture Dependency injection support Cloud-ready configuration Built-in support for Web API and MVC Improved tooling and debugging experience 3. How does ASP.NET Core handle dependency injection? ASP.NET Core includes built-in support for dependency injection. This allows developers to manage dependencies between objects in their application, leading
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What .Net Core?

 What .Net Core? .NET Core is a free, open-source, and cross-platform framework developed by Microsoft that allows developers to build a wide range of applications, including web, mobile, desktop, gaming, IoT, and AI. It is a modular and lightweight version of the full .NET framework, which is optimized for performance and flexibility. .NET Core includes a runtime, a set of libraries, and a development environment. The runtime provides a platform for executing code, while the libraries provide a wide range of functionality, such as collections, I/O, and network communication. The development environment includes tools like the .NET Core CLI (Command Line Interface) and the .NET Core SDK (Software Development Kit), which make it easier to create, test, and deploy applications. .NET Core supports multiple programming languages, including C#, F#, and Visual Basic, and it can be integrated with other languages and technologies, such as Python and JavaScript. Additionally, it supports multi
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How to pass an array in a QueryString ?

How to pass an array in a QueryString ?
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FileUpload control inside UpdatePanel is not working

FileUpload control inside UpdatePanel is not working
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Could not load file or assembly ‘AjaxControlToolkit’ or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0×80070057 (E_INVALIDARG))

I am devloping a website using asp.net and ajax, i am faceing this error during website building "Could not load file or assembly ‘AjaxControlToolkit’ or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0×80070057 (E_INVALIDARG))".   Could not load file or assembly ‘AjaxControlToolkit’ or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0×80070057 (E_INVALIDARG))
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How to display confirmation box in DetailsView

How to display confirmation box in DetailsView For the details view, you need to add the event on DataBound event so that when the data is getting binded with the item, the event will be attached with the item.  See the below code which will be helpful for you. 
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How to Bind a DropDownlist in MVC Application.

How to Bind a DropDownlist in MVC Application. (1) First open MVC Project or Create New Project choose ASP.NET MVC 2 web app  (2) Add New Item in Model folder, Right click in Solutions Explorer Model folder >Add New Item Choose ADO.NET Entity Data Model through wizard add the database and table in your application and then 
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