Mindmajix as a team has got enough questions from the trainees who got their ASP.NET Training and cracked interviews at various MNCs around the world and successfully placed. From the collection of ASP .NET Interview Questions, the following are the most common questions we got are listed to make it easy for those who are willing to crack the interview with ease. All the answers to those were written by our professional experienced trainers and are tailored to meet the concepts expected by the interviewer.
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ASP is server-side scripting technology by Microsoft, to execute instructions made by dynamic websites, on an internet server.
ASP .NET is used to build websites, services, and applications that are dynamic. These applications are built on any of the .NET compatible languages like VB, C#, etc.
The key difference between them is that ASP is interpreted as scripts are used, whereas ASP.NET is compiled because of these pages using .NET languages. ASP .Net pages are to be MSIL(Microsoft Intermediate Language) compiled.
Internet Information Server by Microsoft with its own Operating System. It is used to execute web-page scripts.
IIS acts in between browser and ASP.net engine to process chrome requests and responses are submitted back.
Page load event ensures that all the controls are loaded completely. These controls can be accessed through the Page_Init event.
System.Web.UI.Control - Parent class of all the WS Controls.
In order to check whether the page is posted back, we use the page object “IsPostBack” property.
SQL notification triggers when there is any change in the data that is made a copy in the cache, whereas, SQL invalidation directly invalidates that data in the cache when there is any change in the database data that is copied to cache earlier.
In the control class, there exist ViewStateMode is introduced in ASP.NET4. This helps to work with the view state of event control, despite it is disabled on the web page.
A website, which has its content available in the respective language of the country or the region it is accessed is referred to as a multilingual website.
Additional information provided to the server from the webpage through the URL is referred to as a query string.
Using query string there exist no special resources used on the server side reducing the burden. Query strings are supported by any of the browsers.
The length of the query string is limited to the length supported by the URL. And the information provided by the query string is visible to the user, compromising security.
Single property to view all the validation messages is done by ValidationSummary control.
The latest stable release is ASP .NET 4.7.1 (October 2017)
Process of sharing cached objects in an application in order to improve the performance by reducing the processing time. Cached objects are active up to a specified time.
MetaKeyword, MetaDescription, AllowMultiple, etc are the latest properties.
Authentication is to identify the right person whereas authorization is the process of providing valid access to the resources available.
Only an authentic person can be authorized to use resources.
For Example Person A is allowed to access File A to view but not edit.
Here, the process of identifying whether the person is A or not is authentication, and not providing access to edit the file A to person A is an authorization.
Controls that are not available in the ASP library can be created and registered, known as custom server controls.
Using @Register directive, new custom server controls can be registered.
Page.Validate() method is used.
RedirectPermanent() - Method to redirect page to the specified path provided as parameter.
System.Net.Mail.MailMessage and System.Net.Mail.SmtpMail are the two classes used along with SmtpClient class, and server name port and credentials to mail.
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Ravindra Savaram is a Content Lead at Mindmajix.com. His passion lies in writing articles on the most popular IT platforms including Machine learning, DevOps, Data Science, Artificial Intelligence, RPA, Deep Learning, and so on. You can stay up to date on all these technologies by following him on LinkedIn and Twitter.