Asp Net C# Interview Questions

Web Design And Development

Asp Net C# Interview Questions

Top ASP.NET C# Interview Questions

Asp Net C# Interview Questions

ASP.NET C# interview questions typically range from basic to advanced topics covering web development using the ASP.NET framework with C# language. Common questions can include concepts like MVC architecture, data binding, authentication and authorization, error handling, web services, and more. Employers may also inquire about your experience with building and maintaining web applications, optimizing performance, working with databases, and your problem-solving skills. It is important to prepare for such interviews by reviewing fundamental C# and ASP.NET concepts, practicing coding exercises, and being ready to discuss your previous projects and experience in web development.

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1 - What is ASP.NET? ASP.NET is a web application framework developed and maintained by Microsoft for building dynamic web applications and services.

2) What is C#? C# is a programming language developed by Microsoft that is widely used for developing web applications and services in the ASP.NET framework.

3) Explain the difference between ASP.NET Web Forms and ASP.NET MVC. ASP.NET Web Forms follows a more traditional event driven model for developing web applications, while ASP.NET MVC uses a more modern and structured approach based on the Model View Controller pattern.

4) What is ViewState in ASP.NET? ViewState is a hidden field on an ASP.NET web page that stores the state of the page and its controls across postbacks.

5) How does routing work in ASP.NET MVC? Routing in ASP.NET MVC maps URLs to controller actions based on a defined route table, allowing for clean and customizable URLs in web applications.

6) What are the different types of authentication supported in ASP.NET? ASP.NET supports forms authentication, Windows authentication, and other custom authentication methods for securing web applications.

7) Explain the concept of caching in ASP.NET. Caching in ASP.NET allows web pages and data to be stored temporarily in memory or on disk, improving performance by reducing the need to recreate the data on each request.

8) What is the difference between Response.Redirect and Server.Transfer in ASP.NET? Response.Redirect sends a redirect response to the client's browser, causing a new request to the specified URL, while Server.Transfer transfers the request to a new page on the server without the client's browser being aware of the change.

9) How can you handle errors in ASP.NET applications? Errors in ASP.NET applications can be handled using try catch blocks, custom error pages, and the global.asax file to manage application wide errors.

10) What are the advantages of using ASP.NET Web API? ASP.NET Web API is a lightweight framework for building RESTful services that allows for easy integration with existing ASP.NET features, support for multiple content types, and broad platform compatibility.

11) How does asynchronous programming work in ASP.NET? Asynchronous programming in ASP.NET allows long running tasks to be offloaded to background threads, preventing blocking of the main thread and improving the responsiveness and scalability of web applications.

12) What is Entity Framework in ASP.NET? Entity Framework is an object relational mapping (ORM) framework in ASP.NET that simplifies data access by allowing developers to work with data as objects, abstracting the underlying database structure.

13) What is the role of the Global.asax file in ASP.NET? The Global.asax file in ASP.NET contains application level events and settings that allow for customization and handling of application wide events such as application start, end, error handling, and session management.

14) How can you optimize performance in ASP.NET applications? Performance in ASP.NET applications can be optimized by implementing caching, minimizing server requests, optimizing database queries, using asynchronous programming, and following best practices for code optimization and resource management.

 

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