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Top 15 asp dot net interview questions and answers
- 1. Top 15 ASP.Net Interview Questions and Answers
- 2. CRB Tech reviews compiles some important interview questions keeping your interest in concern. Hope this helps you in cracking your interviews. ASP.NET is the new ASP generation. It is does not fit with Classic ASP ASP.NET pages have the .aspx extension When a browser requests an ASP.NET file, the ASP.NET engine reads the file, compiles and executes the words in the file, and returns the result to the browser as plain HTML. ASP.NET is a development frame for building web pages and web sites with HTML, CSS, JavaScript and server scripting.
- 3. 1. What is ASP? Active Server Pages is a Microsoft’s server-side technology, which helps in developing dynamic and user-friendly Web pages. 2. Define ASP.Net. It is a development framework for building web pages and web sites with HTML, CSS, JavaScript and server scripting.
- 4. 3. ASP.net advantages? ASP.Net advantage over ASP : Compiled Code Language Support Strict Coding needs Event-Driven Programming Model 3rd Party Controls User Authentication Easier Configuration & Deployment Object and Page Caching Higher Scalability
- 5. 4. How to maintain session in ASP.NET? In-process storage. Session State Service. Microsoft SQL Server. In-Process Storage The default location is the ASP.NET process itself. Session State Service It is an alternative to using in-process storage for session state. ASP.NET provides the ASP.NET State Service. The State Service gives you an alternative for storing session state that is not tied quite so closely to ASP. Net’s own process. Microsoft SQL Server It is the final choice for storing state information.
- 6. 5. What is the difference between Server.Transfer and Response.Redirect? Server.Transfer() : The client sees it as on the requesting page , but all the content is of the requested page. Response.Dedirect() : Here the client know the physical location (page name and query string as well). 6. Types of comments in asp.net Single line comments // for single line comments Multiple line comments /* for multi line comments */ XML tags comments /// XML tags depicted in a code comment
- 7. 7. Use of @RenderPage() method @RenderPage() method is used to bring content from separate files. Example: <html> <body> @RenderPage(“header.cshtml”) <h1>Hello Web Pages</h1> <p>This is a paragraph</p> @RenderPage(“footer.cshtml”) </body> </html>
- 8. 8.What is the folder structure of ASP.NET Web Pages Logical Folder Structure Below is a basic folder structure for an ASP.NET web page: Folders The “Account” folder has log on and security files The “App_Data” folder has databases and data files The “Images” folder has images The “Scripts” folder has browser scripts The “Shared” folder has common files Physical folder structure Below is a basic folder structure for image C:userDocumentsMyWebSitesDemoImages From the example above: The virtual name of a web picture might be “Images/pic31.jpg”. But the physical name is “C:usereDocumentsMyWebSitesDemoImagespic31.jpg” URLs and Paths URLs are to access files from the web: http://www.demo.com/html/html5_intro.asp %>
- 9. 9. Difference between globalization and localization Globalization is the process of creating a software product that functions in multiple locales. Localization is the way of adapting a globalized application, which you have already processed in a localized way, to a particular locale. 10. Define ViewState. It is the method that the ASP.NET page frame utilize to preserve page and control values between round trips. When the HTML markup for the page is given, the current state of the page and values that must be kept during post back are arranged into base64-encoded strings.
- 10. 11. Name the methods used to force all the validation controls to run Page.Validate() method 12. What is the difference between Response.Write() and Response.Output.Write() methods? Response.write() doesn’t give output in format. The latter one helps you to give output in format Response.write – it writes the text stream , whereas Response.output.write – it writes the HTTP Output Stream.
- 11. 13. Define Cookie A cookie is used to identify a user. It is a small file that the server implants on the user’s computer. Each time the same PC requests a page with a browser, it will send the cookie also. With ASP, one can both create and retrieve cookie values. 14. How to Create a Cookie? The “Response.Cookies” is used to create cookies. N.B. The command Response.Cookies must appear BEFORE the <html> tag. In the below example, we are creating a cookie named “fname” and give it the value “ABC” : <% Response.Cookies(“fname”)=”ABC” Response.Cookies(“fname”).Expires=#Jan 10,2015#
- 12. 15. How to recover a Cookie Value? The command “Request.Cookies” is used to recover a cookie value. Example: <% firstname=Request.Cookies(“fname”) response.write(“Firstname=” & firstname) %> More questions would be coming next. We are updating our list of question and answers on .NET
- 13. Stay connected to this page of CRB Tech reviews for more technical up- gradation and other resources. CRB Tech reviews will continue to enlighten you with such technical articles on .NET.
- 14. Thank You....