What is the ASP.NET page life cycle and why is it important?What are application page life cycle events?Which is the first event in the page lifecycle Events?Name of the event that is not fired during page cycle?What events are raised during the Init phase of the page life cycle?What is the purpose of the LoadViewState and LoadPostData methods in the page life cycle?Can you describe the order in which events are raised during the Load phase of the page life cycle?What is the difference between the PreRender and PreRenderComplete events in the page life cycle?How do you handle user input or data changes during the page life cycle?Can you explain the role of the SaveViewState and SavePostData methods in the page life cycle?How does the Unload phase of the page life cycle work, and what tasks should be performed during this phase?Can you describe any scenarios where you would need to override specific methods in the page life cycle to customize the behavior of an ASP.NET page?Can you describe any differences or considerations when working with master pages and user controls within the ASP.NET page life cycle?What is Master Page in Asp.net and how to use?What’s the use of "GLOBAL.ASAX" file?What are the major events in global.asax?What event handlers can I include in Global.asax?How can we apply themes in asp.net?Difference between ASP.Net Website and ASP.Net Web Application?Can an ASPX file contain more than one form marked with runat equal server in ASP.NET?What is the name of class from which web pages are inherited in ASP.NET?What is the difference between Codebehind="MyCode.aspx.cs" and Src="MyCode.aspx.cs" in ASP.NET?Can I use different programming languages in the same .NET application?Can the App_Code folder contain source code files in different programming languages?What is the name of the virtual page that you can request to view trace data when the trace data is not displayed on its corresponding Web page?Which of the following browser capabilities can you not check using Request.Browser?You catch an unhandled exception in a Page_Error handler. How can you access the last error?Is it possible to add APP_Code folder in web application project in Visual Studio?What is the difference between the Theme and StylesheetTheme?How you can determine whether client is connected to server or not?
What is the purpose of the web.config file in ASP.NET?Where is the web.config file located in an ASP.NET application?What are some common sections or elements found in the web.config file?What is the root tag of web.config file?What is custom tag in web.config file?Does Web.config file is case-sensitive?In which format web.config file is stored?Can one directory contains multiple web.config files?What is the purpose of machine.config file?If we remove a web.config file from the application, does this application will work?In an ASP.NET website, when the web.config file is getting called?What will happened if Someone types the URL of web.config file in the browser?For which purpose appsettings tag is used?Can you explain the significance of the and sections in the web.config file?How can you configure application-wide settings such as connection strings, app settings, and custom error pages in the web.config file?Can you describe the role of the section in the web.config file and its impact on ASP.NET application performance?How can you configure authentication and authorization settings in the web.config file?What are the different modes of session state management that can be configured in the web.config file?How can you configure custom HTTP modules and handlers in the web.config file?Can you explain how to set up URL rewriting or routing rules in the web.config file?What are some best practices for managing and securing the web.config file in an ASP.NET application?Which element is used to apply a theme to the current application within the web.config?Is it possible to read Web.config or Global.asax files from browser?Can you tell the location of root web.config file from which all web.config get inherit?What is the use of custom error tag in web.config file?Can you describe the funcitonality of httpHandlers tab in web.config file?
What is ViewState in ASP.NET and why is it used?How does ViewState work in ASP.NET web pages?Can you explain the purpose of the ViewState hidden field?What is the role of ViewState in maintaining the state of controls on a web page during postbacks?How can you enable or disable ViewState for individual controls in ASP.NET?What are the advantages of using ViewState in ASP.NET web pages?What are the potential drawbacks or considerations when working with ViewState?How can you optimize ViewState usage to minimize its impact on performance?Can you explain the impact of ViewState on the size of the rendered HTML page?How can you secure the contents of the ViewState from tampering or unauthorized access?How to check viewstate tampering?Can you describe any alternatives or strategies you have used to manage state without relying heavily on ViewState?What is the lifespan for items stored in ViewState?Does ViewState is encrypted?What is ViewState Chunking?Does ViewState get lost if a user refreshes a Web page?What will happen with ViewState if the user copies the URL and open it in other browser?What Is The Difference Between ViewState and Session?Does ViewState is responsible for maintaining data across the Page PostBack for Postback and non-postback controls?Which method will you use to Delete the ViewState information for all the server and child control(s)?How many ViewState objects can be created on an aspx page?Can I make ViewState enabled for controls where Enableviewstate of the container page is set to false?
What are cookies in the context of ASP.NET web development?How are cookies used in ASP.NET web applications?Explain the process of setting a cookie in an ASP.NET web page?What are the main components of a cookie?Can you explain the different types of cookies in ASP.NET?What is the purpose of the Expires property of a cookie? How is it used?How can you retrieve the value of a cookie in an ASP.NET web page?How do you delete a cookie in ASP.NET?What are the security considerations when working with cookies in ASP.NET?Can you explain the concept of cookieless sessions in ASP.NET?How do you handle cookie size limitations in ASP.NET?What is Cookie Munging?What is Cookie Dictionary?Is it possible to create cookies with keys? Explain using some example?What are the advantages and disadvantages of Cookies? Explain using some example?What is the maximum Data that can be stored in a cookie?What is the maximum number of cookies that can be allowed to a web site?How to turn off cookies for one page in your site in ASP.NET?How do you create a permanent cookie?What is persistent and nonpersistent cookie?Is it possible that cookies created by asp.net application can only be accessed via server side code only?Is it possible to restrict that client side code can not access any cookie?If a users has disabled cookies in his browsers, what can be done to enable forms authentication?What are the different level of settings available for configure cookies in browser?Have you encountered any issues related to cross-domain cookies in your ASP.NET projects? If so, how did you handle them?
What is session state in ASP.NET?How is session state managed in ASP.NET Web Forms?What method do you use to explicitly kill a users session?Where does ASP.Net stores sessionIDs by default?What is the size of the session ID?How can we disable session for an ASP.NET Application?How can we disable session in Page Level?Can we use session variable in App_code Class page?Does SessionID change with every request in the asp.net application?Difference between ASP Session and ASP.NET Session?What is the difference between Session.Clear() and Session.RemoveAll() method?Do session use cookies?Explain Cookie-Less session in asp.netWhat is the best state management variable to save the username for particular session?Can you give an example of what might be best suited to place in the Application_Start and Session_Start subroutines?What is the difference between Application and Session object?Which typically consumes more memory: application state or session state?Which might not work if a user has disabled cookies in his or her Web browser: application state or session state?Can you explain the difference between in-process and out-of-process session state modes?What are the various session state modes available in ASP.NET, and how do they differ?How do you enable and configure session state in an ASP.NET Web Forms application?Can you describe the role and usage of the Session object in ASP.NET?How do you store and retrieve data in session state?What are the considerations and best practices for managing session state effectively?How do you handle session timeouts and expiration in ASP.NET Web Forms?What are the options for storing session state out-of-process, and how do they differ?Can you explain how session state is maintained in a web farm or load-balanced environment?Session_end() event is suppported by which session mode only?What are the advantages and disadvantages of state server(outproc) session mode?What are the advantages and disadvantages of SQL Server session mode?What is the default mode for Session State in ASP.NET?What is the difference between cache and session?What is the difference between HttpContext.Current.Items and HttpContext.Current.Session in ASP.NET?Is it possible to set SessionState to readonly mode? Readonly mode means, we can only read data from session but we can not write any data in session variable?Is it possible to use InProc mode for sessionState in case of web garden?Have you encountered any challenges or issues related to session state management in your ASP.NET projects? If so, how did you address them?

What is the purpose of the Expires property of a cookie? How is it used?

The 'Expires' property of a cookie is used to specify an expiration date and time for the cookie. It determines how long the cookie will be stored on the client's machine before it is automatically deleted by the browser.

The purpose of setting the 'Expires' property is to control the lifespan of the cookie and define when it should expire and become invalid. Once the expiration date/time is reached, the browser will automatically remove the cookie from its storage.

By setting an expiration date for a cookie, you can make it either a session cookie or a persistent cookie:

  1. Session Cookie: If the 'Expires' property is not set or set to a default value (e.g., DateTime.MinValue), the cookie is considered a session cookie. Session cookies are stored in the client's browser memory and are deleted as soon as the browser session ends (i.e., when the user closes the browser).
    Example:
    
    
    HttpCookie sessionCookie = new HttpCookie("SessionCookie");
    sessionCookie.Value = "Session Cookie Value";
    // No expiration date is set, so it's a session cookie
    Response.Cookies.Add(sessionCookie);
    
    
  2. Persistent Cookie: To make a cookie persistent, you set the 'Expires' property to a specific date and time in the future. The cookie will remain on the client's machine until the expiration date/time is reached, even if the user closes the browser or restarts their computer.
    Example:
    
    
    HttpCookie persistentCookie = new HttpCookie("PersistentCookie");
    persistentCookie.Value = "Persistent Cookie Value";
    persistentCookie.Expires = DateTime.Now.AddDays(30); // Expires in 30 days
    Response.Cookies.Add(persistentCookie);
    
    
    In the above example, a persistent cookie named "PersistentCookie" is created, and the 'Expires' property is set to 'DateTime.Now.AddDays(30)', which means the cookie will expire 30 days from the current date.
The 'Expires' property is crucial for managing cookie lifespans and controlling how long the browser should retain the cookie. It allows developers to implement various scenarios, such as session management, persistent authentication, or remembering user preferences over an extended period.

It's important to note that the accuracy of cookie expiration depends on the client's system time. If the client's system time is incorrect or modified, the expiration behavior may not work as intended. Additionally, be aware of privacy regulations and best practices when handling cookie expiration, especially when dealing with sensitive data.