Asp.Net Interview Questions

Which controls do not have events?


What is the difference between ADO and ADO.NET?


How u can create XML file?


What is CLR?

What is "Common Type System" (CTS)?


What Is The Difference Between ViewState and SessionState


How would one do a deep copy in .NET?


What is Web.config?


Why is catch(Exception) almost always a bad idea?


What is strong-typing versus weak-typing? Which is preferred? Why?


Advantages of VB.NET


Which two properties are on every validation control?


What is the difference between a.Equals(b) and a == b?


How do you turn off cookies for one page in your site?


What is a Strong Name?


What is cts and cls?


What is the difference between VB and VB.NET?


What is the difference between the C#.NET and VB.NET?


Which property on a Combo Box do you set with a column name, prior to setting the DataSource, to display data in the combo box?

True or False: A Web service can only be written in .NET

web services is not only for .net,
we can develop webservices nin any language,becoz web services is the concept of XML .so,any one can follow these rules and can develop webservices.


XML webservices is rules.but ASP.NET websevices is a s/w with these webservices any other language people can comm to it.


What is the root class in .Net ?
System.object is the root class in .net


What are the advantages and drawbacks of using ADO.NET?


How do you create a permanent cookie?



What is cyclomatic complexity and why is it important?


In .NET Compact Framework, can I free memory explicitly without waiting for garbage collector to free the memory?


What is the difference between thread and process?


Advantages of migrating to VB.NET


How different are interface and abstract class in .Net?


What tags do you need to add within the asp:datagrid tags to bind columns manually?


How does VB.NET/C# achieve polymorphism?


What is serialization, how it works in .NET?


What are value types and reference types?


How many classes can a single .NET DLL contain?


What is the Scope of public/private/friend/protected/protected friend ?


What is managed code and managed data?


What are Assemblies.


What is .NET / .NET Framework?


What does WSDL stand for?


Can we run .NET in unix plateform?


Explain how Viewstate is being formed and how it?s stored on client.


Which control cannot be placed in MDI?


What tags do you need to add within the asp:datagrid tags to bind columns manually.


What is FullTrust? Do GAC?ed assemblies have FullTrust?


Explain DataSet.AcceptChanges and DataAdapter.Update methods.


What is an Interface?


Give the detail procedure of how to add different controls at runtime in VB and dot Net. The controls should be added as per the customers requirement at the customers place without intervention of the programmer. Similarly how to remove these controls which are generated by the customer at runtime?


Differences between Datagrid, Datalist and Repeater?


What is Machine.config?


How can I read .doc document in ASP.Net?


What are the Types of Assemblies?


What tag do you use to add a hyperlink column to the DataGrid?


What is the difference between "using System.Data;" and directly adding the reference from "Add References Dialog Box"?


How to clear a datagrid on a button click?


Briefly explain how the server control validation controls work.


Describe ways of cleaning up objects.


Should validation (did the user enter a real date) occur server-side or client-side? Why?


What?s wrong with a line like this ? DateTime.Parse(myString).


What is a Manifest?


What is a Web Service?







Briefly explain how server form post-back works (perhaps ask about view state as well).


What is the Main difference between ASP and ASP.NET ?


What is CLR?


What is the difference between VB6 and VB.Net?


With respect to security ,which one is the better choice?.Net or J2EE? Explain.


What is "Common Language Specification" (CLS)?


Explain the differences between Server-side and Client-side code?


What is the purpose of reserved word ?using? in C#?


Explain manifest & metadata.


Explain about code access security?


what's ArrayList in .Net (VB.Net or C#) What's the advantageous using ArrayList.


What is Reflection?


What is an Intermediate language?


How is a property designated as read-only?


What property do you have to set to tell the grid which page to go to when using


Explain what a diffgram is, and a good use for one


Is string a value type or a reference type?


Describe the difference between inline and code behind - which is best in a loosely coupled solution.


What are the authentication methods in .NET?


What is the difference between proc. sent BY VAL and By Ref?

With respect to security ,which one is the better choice ,.Net or J2EE? Explain.........


How many types of assemblies are there , wat are they?


How does the XmlSerializer work? What ACL permissions does a process using it require


Difference between Panel and GroupBox classes?


16. What are Attributes?


How would ASP and ASP.NET apps run at the same time on the same server?


NET is Compile Time OR RunTime Environment?


What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why.


What exactly is being serialized when you perform serialization?


Can you give an example of what might be best suited to place in the application_Start and Session_Start subroutines?


Where on the Internet would you look for Web services?


What is the purpose of DOTNET?


What is the transport protocol you use to call a Web service SOAP


Can you explain what inheritance is and an example of when you might use it?


What are PDBs? Where must they be located for debugging to work?


When multiple users are working on one application, the SQL/Oracle statement gets locked when one user is working, thus another user cannot work simultaneously. How can multiple users work. Thus give me syntax for freeing SQL/Oracle queries in order for working of multiple users.


What are ASP.NET Web Forms? How is this technology different than what is available though ASP (1.0-3.0)?


What type of code (server or client) is found in a Code-Behind class?


What should you do to store an object in a Viewstate?


Using ActiveX Control in .Net


Can the action attribute of a server-side tag be set to a value and if not how can you possibly pass data from a form page to a subsequent page. Briefly describe the role of global.asax.


Briefly explain what user controls are and what server controls are and the differences between the two.


How does the lifecycle of Windows services differ from Standard EXE?


Which template must you provide, in order to display data in a Repeater control?


Which method do you invoke on the DataAdapter control to load your generated dataset with data?


In what order do the events of an ASPX page execute. As a developer is it important to understand these events?


What is the difference between Debug.Write and Trace.Write? When should each be used?


Describe session handling in a webfarm, how does it work and what are the limits


Contrast the use of an abstract base class against an interface?


Whats an assembly ..?


What does this do? gacutil /l | find /i ?about?


Can you give an example of what might be best suited to place in the Application Start and Session Start subroutines?


What are the differences between ASP and ASP .Net ?


What is the difference between Servers? Transfer and Response. Redirect? Why would I choose one over the other?


What is the base class of Button control?


What?s the difference between Response.Write() and Response.Output.Write()?


What is connection pooling and how do you make your application use it?


What should one do to make class serializable?


What?s the use of System.Diagnostics.Process class?


What are the two kinds of properties.



RaiseEvent eventname[( argumentlist )]


Which property of the textbox cannot be changed at runtime?


webFarm Vs webGardens


What is Delegation?


Can implement same method name in both base class And derived class with different action?


Can you explain the difference between an ADO.NET Dataset and an ADO Recordset?


What are HTML controls, Web controls, and server controls.


Can you give an example of when it would be appropriate to use a web service as opposed to a non-serviced .NET component


Why The JavaScript Validation Not Run on the Asp.Net Button But Run SuccessFully On The HTML Button


How does output caching work in ASP.NET?


What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why.


What is the RaiseEvent used for?


Parts


Creating a Key Pair


What is "Microsoft Intermediate Language" (MSIL)?


Can you edit data in the Repeater control?


How would you implement inheritance using VB.NET/C#?


What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why.


ASP.NET Authentication Providers and IIS Security


What is a Metadata?


What is an assembly?


What is "Common Language Runtime" (CLR)?


Can you give an example of when it would be appropriate to use a web service as opposed to a non-serviced .NET component


What is the Pager object?


What base class do all Web Forms inherit from?


How can you provide an alternating color scheme in a Repeater control?


What are the features of ADO.Net ?


How would you get ASP.NET running in Apache web servers - why would you even do this?


Contrast OOP and SOA. What are tenets of each ?


What does the


Name some of the languages .NET support?


What is the difference between user control an custom control? What are the advantages/disadvantages?


What is the use of ErrorProvider Control?


Can any object be stored in a Viewstate?


What do you know about ADO.NET?s objects and methods?


ctype(123.34,integer) - should it throw an error? Why or why not?


What is the difference between imperative and interrogative code?


What is a constructor ?


What is GAC?


Briefly explain how code behind works and contrast that using the inline style.

What is the standard you use to wrap up a call to a Web service


What is a Windows Service and how does its lifecycle differ from a ?standard? EXE?


What property must you set, and what method must you call in your code, in order to bind the data from some data source to the Repeater control?


Whats MSIL, and why should my developers need an appreciation of it if at all?


What is the difference between a Debug and Release build? Is there a significant speed difference? Why or why not?


What are the disadvantages of viewstate/what are the benefits


Can you explain what inheritance is and an example of when you might use it?


Where would you use an iHTTPModule, and what are the limitations of any approach you might take in implementing one


What is boxing?


What is the difference between an EXE and a DLL?


How would you implement inheritance using VB.NET/C#?


Can you explain the difference between an ADO.NET Dataset and an ADO Recordset?


How many types of exception handlers are there in .NET?


Difference between Panel and GroupBox classes?


What is Response object? How is it related to ASP?s Response object?


What is Viewstate?


State and explain about Microsoft.net?


Explain about CLR?


What is an Abstract class?


Explain about the base class library provided by Microsoft.NET?

Explain about Common language infrastructure?


Explain about metadata?


directcast(123.34,integer) - should it throw an error? Why or why not?


Explain about appdomains?


How can you clean up objects holding resources from within the code


Difference between a sub and a function.


Explain about Validation?


Explain about developer benefit from memory management?


Explain about .NET Garbage collector?


Explain the process of GC?


Explain about generation?


Explain about WPF?


What is the maximum size of the textbox?


State the different levels of exceptional safety?


Explain about continuable exceptions?


Explain some of the disadvantages due to Microsoft.NET?


Name some changes done since version 3.0?


Using COM Component in .Net


What is the difference between ASP and ASP.NET?


Given a server with 4 cpu's, and no databases write a pseudocode to search for the word camera in 100,000 html documents.


How will you make .NET programs work in Linux ?


what i do for load testing in . net application .


Can i change private assembly to shared assembly?How?


What is the difference between a namespace and assembly name?


What are good ADO.NET object(s) to replace the ADO Recordset object.


True or False: To test a Web service you must create a windows application or Web application to consume this service?


Which control would you use if you needed to make sure the values in two different controls matched?


Which method do you use to redirect the user to another page without performing a round trip to the client?


What method do you use to explicitly kill a user session?