1. What is CLR, CTS, CLS?
2. What is MSIL , IL ?
3. What are the new features of Framework 1.1?
Assembly
4. What is Assembly?
5. What are the contents of assembly?
6. What are the different types of assemblies?
7. What is the difference between a private assembly and a shared assembly?
8. What are Satellite Assemblies? How you will create this? How will you get the different language strings?
9. How will u load dynamic assembly? How will create assemblies at run time?
10. What is Assembly manifest? what all details the assembly manifest will contain?
11. Difference between assembly manifest & metadata?
12. What is Global Assembly Cache (GAC) and what is the purpose of it? (How to make an assembly to public? Steps) How more than one version of an assembly can keep in same place?
13. Advantage of ADO.Net?
14. How would u connect to database using .NET?
15. What are relation objects in dataset and how & where to use them?
16. Difference between OLEDB Provider and SqlClient ?
17. What are the different namespaces used in the project to connect the database? What data providers available in .net to connect to database?
18. Difference between DataReader and DataAdapter / DataSet and DataAdapter?
19. Which method do you invoke on the DataAdapter control to load your generated dataset with data?
20. Explain different methods and Properties of DataReader which you have used in your project?
21. What happens when we issue Dataset.ReadXml command?
22. In how many ways we can retrieve table records count? How to find the count of records in a dataset?
23. How to check if a datareader is closed or opened?IsClosed()
24. What happens when u try to update data in a dataset in .NET while the record is already deleted in SQL SERVER as backend?
OR What is concurrency? How will you avoid concurrency when dealing with dataset? (One user deleted one row after that another user through his dataset was trying to update same row. What will happen? How will you avoid the problem?)
25. How do you merge 2 datasets into the third dataset in a simple manner? OR If you are executing these statements in commandObject. "Select * from Table1;Select * from Table2”
26. how you will deal result set? How do you sort a dataset?If a dataset contains 100 rows, how to fetch rows between 5 and 15 only?
27. Differences between dataset.clone and dataset.copy?
28. What is the use of parameter object?
29. How do u implement locking concept for dataset?
30. How to generate XML from a dataset and vice versa?
31. What is method to get XML and schema from Dataset? getXML() and get Schema ()
32. If I have more than one version of one assemblies, then how'll I use old version (how/where to specify version number?)in my application?
33. How to find methods of a assembly file (not using ILDASM)
34. What is Garbage Collection in .Net? Garbage collection process?
35. What is Reflection in .NET? Namespace? How will you load an assembly which is not referenced by current assembly?
36. What is Custom attribute? How to create? If I'm having custom attribute in an assembly, how to say that name in the code?
37. How Garbage Collector (GC) Works?
38. Why do we need to call CG.SupressFinalize?
39. What is nmake tool?
40. What are Namespaces?
41. What is JIT (just in time)? how it works?
42. What is strong name?
43. What is portable executable (PE)?
44. What is Event - Delegate? clear syntax for writing a event delegate
45. Which namespace is the base class for .net Class library?
46. What are object pooling and connection pooling and difference? Where do we set the Min and Max Pool size for connection pooling?
47. What is exception handling?
48. What is the managed and unmanaged code in .net?
49. How do you create threading in .NET? What is the namespace for that?
50. Serialize and MarshalByRef?
51. using directive vs using statement
52. Describe the Managed Execution Process?
53. What is Active Directory? What is the namespace used to access the Microsoft Active Directories? What are ADSI Directories?
54. What is the difference between CONST and READONLY?
55. What is the difference between ref & out parameters?
56. What is the difference between Array and LinkedList?
57. What is the difference between Array and Arraylist?
58. What is Jagged Arrays?
59. What are indexers?
60. What is Asynchronous call and how it can be implemented using delegates?
61. How to create events for a control? What is custom events? How to create it?
62. If you want to write your own dot net language, what steps you will u take care?
63. Describe the difference between inline and code behind - which is best in a loosely coupled solution?
64. how dot net compiled code will become platform independent?
65. without modifying source code if we compile again, will it be generated MSIL again?
(COM)
66. Interop Services?
67. How does u handle this COM components developed in other programming languages in .NET?
68. What is RCW (Runtime Callable Wrappers)?
69. What is CCW (COM Callable Wrapper)
70. How CCW and RCW is working?
71. How will you register com+ services?
72. What is use of ContextUtil class?
73. What is the new three features of COM+ services, which are not there in COM (MTS)?
74. Is the COM architecture same as .Net architecture? What is the difference between them?
75. Can we copy a COM dll to GAC folder?
76. What is Pinvoke?
77. Is it true that COM objects no longer need to be registered on the server?
78. Can .NET Framework components use the features of Component Services?
(OOPS)
79. What are the OOPS concepts?
80. What is the difference between a Struct and a Class?
81. Value type & reference types difference? Example from .NET. Integer & struct are value types or reference types in .NET?
82. What is Inheritance, Multiple Inheritance, Shared and Repeatable Inheritance?
83. What is Method overloading?
84. What is Method Overriding? How to override a function in C#?
85. Can we call a base class method without creating instance?
86. You have one base class virtual function how will call that function from derived class?
87. In which cases you use override and new base?
C# Language features
88. What are Sealed Classes in C#?
89. What is Polymorphism? How does VB.NET/C# achieve polymorphism?
90. In which Scenario you will go for Interface or Abstract Class?
91. Write one code example for compile time binding and one for run time binding? What is early/late binding?
92. Can you explain what inheritance is and an example of when you might use it?
93. How can you write a class to restrict that only one object of this class can be created (Singleton class)?
(Access specifiers)
94. What are the access-specifiers available in c#?
95. Explain about Protected and protected internal, “internal” access-specifier?
(Constructor / Destructor)
96. Difference between type constructor and instance constructor? What is static constructor, when it will be fired? And what is its use?
97. What is Private Constructor? and it’s use? Can you create instance of a class which has Private Constructor?
98. I have 3 overloaded constructors in my class. In order to avoid making instance of the class do I need to make all constructors to private?
99. Overloaded constructor will call default constructor internally?
100. What are virtual destructors?
101. Destructor and finalize
102. What is the difference between Finalize and Dispose (Garbage collection)
103. What is close method? How its different from Finalize & Dispose?
104. What is boxing & unboxing?
105. What is check/uncheck?
106. What is the use of base keyword? Tell me a practical example for base keyword’s usage?
107. What are the different .net tools which u used in projects?
108. Is goto statement supported in C#? How about Java?
109. What’s different about switch statements in C#?
(ASP.NET)
110. Asp.net and asp – differences?
111. How ASP and ASP.NET page works? Explain about asp.net page life cycle?
112. Order of events in an asp.net page? Control Execution Lifecycle?
113. What are server controls?
114. What is the difference between Web User Control and Web Custom Control?
(Session/State)
115. Application and Session Events
116. Difference between ASP Session and ASP.NET Session?
117. What is cookie less session? How it works?
118. How you will handle session when deploying application in more than a server?
119. Describe session handling in a webfarm, how does it work and what are the limits?
120. What method do you use to explicitly kill a users session?
121. What are the different ways you would consider sending data across pages in ASP (i.e between 1.asp to 2.asp)?
122. What is State Management in .Net and how many ways are there to maintain a state in .Net? What is view state?
123. What are the disadvantages of view state / what are the benefits?
124. When maintaining session through Sql server, what is the impact of Read and Write operation on Session objects? will performance degrade?
125. What are the contents of cookie?
126. How do you create a permanent cookie
127. What is ViewState? What does the "EnableViewState" property do? Why would I want it on or off?
128. Explain the differences between Server-side and Client-side code?
129. Can you give an example of what might be best suited to place in the Application_Start and Session_Start subroutines?
130. Which ASP.NET configuration options are supported in the ASP.NET implementation on the shared web hosting platform?
131. Briefly describe the role of global.asax?
132. How can u debug your .net application?
133. How do u deploy your asp.net application?
134. Where do we store our connection string in asp.net application?
135. Various steps taken to optimize a web based application (caching, stored procedure etc.)
136. How does ASP.NET framework maps client side events to Server side events.
(Security)
138. Security types in ASP/ASP.NET? Different Authentication modes?
139. How .Net has implemented security for web applications?
140. How to do Forms authentication in asp.net?
141. Explain authentication levels in .net ?
142. Explain autherization levels in .net ?
143. What is Role-Based security?
144. How will you do windows authentication and what is the namespace? If a user is logged under integrated windows authentication mode, but he is still not able to logon, what might be the possible cause for this? In ASP.Net application how do you find the name of the logged in person under windows authentication?
145. What are the different authentication modes in the .NET environment?
146. How do you specify whether your data should be passed as Query string and Forms (Mainly about POST and GET)
147. What is the other method, other than GET and POST, in ASP.NET?
148. What are validator? Name the Validation controls in asp.net? How do u disable them? Will the asp.net validators run in server side or client side? How do you do Client-side validation in .Net? How to disable validator control by client side JavaScript?
149. Which two properties are there on every validation control?
150. How do you use css in asp.net?
151. How do you implement postback with a text box? What is postback and usestate?
152. How can you debug an ASP page, without touching the code?
153. What is SQL injection?
154. How can u handle Exceptions in Asp.Net?
155. How can u handle Un Managed Code Exceptions in ASP.Net?
156. Asp.net - How to find last error which occurred?
157. How to do Caching in ASP?
158. What is the Global ASA(X) File?
159. Any alternative to avoid name collisions other then Namespaces.
160. Which is the namespace used to write error message in event Log File?
161. What are the page level transaction and class level transaction?
162. What are different transaction options?
163. What is the namespace for encryption?
164. What is the difference between application and cache variables?
165. What is the difference between control and component?
166. You ve defined one page_load event in aspx page and same page_load event in code behind how will prog run?
167. Where would you use an IHttpModule, and what are the limitations of any approach you might take in implementing one?
168. Can you edit data in the Repeater control? Which template must you provide, in order to display data in a Repeater control? How can you provide an alternating color scheme in a Repeater control? 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?
169. What is the use of web.config? Difference between machine.config and Web.config?
170. What is the use of sessionstate tag in the web.config file?
171. What are the different modes for the sessionstates in the web.config file?
172. What is smart navigation?
173. In what order do the events of an ASPX page execute. As a developer is it important to undertsand these events?
174. How would you get ASP.NET running in Apache web servers - why would you even do this?
175. What tags do you need to add within the asp:datagrid tags to bind columns manually
176. What base class do all Web Forms inherit from?
177. How can we create pie chart in asp.net?
178. Is it possible for me to change my aspx file extension to some other name?
179. What is AutoEventWireup attribute for ?
(WEBSERVICE & REMOTING)
180. What is a WebService and what is the underlying protocol used in it?Why Web Services?
181. Are Web Services a replacement for other distributed computing platforms?
182. In a Webservice, need to display 10 rows from a table. So DataReader or DataSet is best choice?
183. How to generate WebService proxy? What is SOAP, WSDL, UDDI and the concept behind Web Services? What are various components of WSDL? What is the use of WSDL.exe utility?
184. How to generate proxy class other than .net app and wsdl tool?
185. What is a proxy in web service? How do I use a proxy server when invoking a Web service?
186. asynchronous web service means?
187. What are the events fired when web service called?
188. How will do transaction in Web Services?
189. How does SOAP transport happen and what is the role of HTTP in it? How you can access a webservice using soap?
190. What are the different formatters can be used in both? Why?.. binary/soap
191. How you will protect / secure a web service?
192. How will you expose/publish a webservice?
193. What is disco file?
194. What’s the attribute for webservice method? What is the namespace for creating webservice?
195. What is Remoting?
196. Difference between web services & remoting?
197. Can you pass SOAP messages through remoting?
198. CAO and SAO.
199. singleton and singlecall.
200. What is Asynchronous Web Services?
201. Web Client class and its methods?
202. Flow of remoting?
203. What is the use of trace utility?
(XML)
204. Explain the concept of data island?
205. How to use XML DOM model on client side using JavaScript.
206. What are the ways to create a tree view control using XML, XSL & JavaScript?
207. Questions on XPathNavigator, and the other classes in System.XML Namespace?
208. What is Use of Template in XSL?
209. What is “Well Formed XML” and “Valid XML”
210. How you will do SubString in XSL
211. Can we do sorting in XSL ? how do you deal sorting columns dynamically in XML.
212. What is “Async” property of XML Means ?
213. What is XPath Query ?
214. Difference Between Element and Node.
215. What is CDATA Section.
216. DOM & SAX parsers explanation and difference
217. What is GetElementbyname method will do?
218. What is selectnode method will give?
219. What is valid xml document? What a well formed xml document?
220. What is the Difference between XmlDocument and XmlDataDocument?
221. Explain what a DiffGram is, and a good use for one?
222. If I replace my Sqlserver with XML files and how about handling the same?
223. Write syntax to serialize class using XML Serializer?
(IIS)
224. In which process does IIS runs (was asking about the EXE file)
225. Where are the IIS log files stored?
226. What are the different IIS authentication modes in IIS 5.0 and Explain?
227. Difference between basic and digest authentication modes?
228. How to configure the sites in Web server (IIS)?
229. Advantages in IIS 6.0?
230. IIS Isolation Levels?
Controls
231. How will you do Redo and Undo in a TextControl?
232. How to implement DataGrid in .NET? How would u make a combo-box appear in one column of a DataGrid? What are the ways to show data grid inside a data grid for a master details type of tables? If we write any code for DataGrid methods, what is the access specifier used for that methods in the code behind file and why?
233. How can we create Tree control in asp.net?
Programming
234. Write a program in C# for checking a given number is PRIME or not.
235. Write a program to find the angle between the hours and minutes in a clock
236. Write a C# program to find the Factorial of n
237. How do I upload a file from my ASP.NET page?
238. How do I send an email message from my ASP.NET page?
239. Write a program to create a user control with name and surname as data members and login as method and also the code to call it. (Hint use event delegates) Practical Example of Passing an Events to delegates
240. How can you read 3rd line from a text file?
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