Interview Questions


1.     What is web method in web service and how it's differ from normal method and is web method can be used globally??
2.     Sessions state
3.     Page life cycle (when we get view state value)
4.     If 2 user control used on a single page 1 contain a text box and button and other contain a textbox
5.     Then on button click move value from one textbox to another
6.     In SQL how to get first non-null value from different column
7.     How to create virtual directory on IIS
8.     about IIS
9.     What is DDL and DML statements in SQL server
10.            Difference between Temp table And table variable
11.            Different selectors in jQuery
12.            Best Practices to prevent reverse engine of .DLL files & .net assemblies
13.            Different between Thread and process
14.            Unsigned Integer
15.            b-tree structure
16.            difference between deep copy & shadow Copy
17.            Delegate in c#.
18.            serialization and its type
19.            Can we have place 2 .DLL with same name in GAC
20.            Factory ,Singleton Pattern
21.            assert in C#
22.            What is IEnumerable & IDisposable
23.            Difference between  callback and Post back
24.            Which is faster XML or Json, & why??
25.            Which is faster procedure Or LINQ?? And Why??
26.            Page event sequence in asp.net using master page and user control 
27.            Difference between interface and abstract class
28.            Can we use inserted and deleted in procedure
29.            Difference between after and before trigger
30.            If we create a trigger on table1 to update table2 on insertion in table1 and also create a trigger on tabe2 to update table1 on insertation in table2 then what happend???? 
31.            Second highest salary 
32.            Create a function which return a table value.
33.            Many queries using rownumber(),denserank(),rank()  on a particular senario
34.            How to call web method by ajax
35.            How to pass a class object in json or javascript....
36.            Update panel and it's event of ajax what is trigger in update panel
37.            web service and how can we over load a web service method
38.            What is partial class
39.            Method Over loading and over riding
40.            Procedure and cursor
41.            Trigger and it's use worth example
42.            How  to insert retrive and update data through ajax
43.            Difference between callback and postback
44.            what is serialization in c#
45.            Why we create a non clustered index and what is the criteria to select on which column we should create on clustered index and why
46.            what is row versioning in sql server
47.            can we pass dataset in web service method or not
48.            What type of security we can apply to web service authentication.
49.            Can private method be overridden in C# .net?
50.            Is it possible to force garbage collector to run
51.            Object pooling and connection pooling
52.            Shadowing and overriding
53.            What is view state?
54.            Anonymous type
55.            Max size of view state
56.            Constructor chaining
57.            Types of Constructor
58.            Static constructor
59.            Http handler and http module
60.            Design pattern
61.            Difference between array and array list
62.            Generics in C#
63.            Pure virtual function
64.            Agile Methodology and its Advantage
65.            What is cross site scripting (XSS)
66.            Loop through Hash Table
67.            Find specific Value from List.
68.            Characteristic of Static Function.
69.            Update query With Join.
70.            Insert one table data to another table.
71.            Read-only, Const & Static
72.            Var, Dynamic and Object
73.            Threading and MultiThreading
74.            Cookies-less Session.
75.            User Control and Custom Control
76.            Application Level event.
77.            JOIN and Difference between Union and Join.
78.            What is use of Global.asax file. One .Net application contain how many    Global.asax file.

79.            Query to delete Duplicate record.

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