DOT NET Interview Questions - DotNetSpider

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Figure :- 2.2 VB6 IDE referencing the CCW (A)How can we make Windows API calls in .NET? Windows API call are not COM based and are invoked through Platform Invoke Services. strings 42 √ √ √ √ Declare StringConversionType (Function | Sub) MethodName Lib "DllName" ([Args]) As Type StringConversionType is for what type of conversion should take place.Either we can specify Unicode to convert all strings to Unicode values, or Auto to convert according to the .NET runtime rules. MethodName is the name of the API to call. DllName is the name of the DLL. Args are any arguments to the API call.
√ Type is the return type of the API call. Below is a sample code for VB.NET which uses Sleep windows API for delaying. Public Class Form1 Declare Auto Sub Sleep Lib “kernel32.dll” (ByVal dwMilliseconds As Long) Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load MessageBox.Show(“ start sleeping for 5000 Milli seconds.....”) Sleep(5000) MessageBox.Show(“ end of sleeping.....”) End Sub End Class In VB.NET we use declare keyword but in C# it goes little bit different we use DLLIMPORT here. Note :- We have interopservices in this and EXTERN keyword. #region Using directives using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Windows.Forms; using System.Runtime.InteropServices; #endregion namespace CSharpCode { partial class Form1 : Form { [DllImport(“Kernel32.dll”)] static extern int Sleep(long dwMilliseconds); public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) 43
Page 1 and 2: Beta Release 1.0 DOT NET Interview
Page 3 and 4: How can we use COM Components in .N
Page 5 and 6: Can you show a simple code showing
Page 7 and 8: What’s the use of @ Register dire
Page 9 and 10: I want to force the datareader to r
Page 11 and 12: Who is a stakeholder ? ............
Page 13 and 14: √ √ √ .NET interviewers who a
Page 15 and 16: Note While reading you can come acr
Page 17 and 18: √ Project Manager are expected to
Page 19 and 20: Microsoft introduced Common Type Sy
Page 21 and 22: Visual Studio .NET 2003\SDK\v1.1\Bi
Page 23 and 24: (A) What is Manifest? Figure :- 1.2
Page 25 and 26: √ Go to “Visual Studio Command
Page 27 and 28: Figure:- 1.7 Click on project and t
Page 29 and 30: (B) What is Delay signing ? During
Page 31 and 32: Note :- Sample source code are comp
Page 33 and 34: (B) What’s difference between VB.
Page 35 and 36: (I)What is a satellite assembly? In
Page 37 and 38: √ √ √ Using Type library impo
Page 39: √ The second way to create CCW us
Page 43 and 44: pDesired) checks to see if the curr
Page 45 and 46: √ √ Figure :- 2.3 Add reference
Page 47 and 48: There are 5 transactions types that
Page 49 and 50: Binary Compatibility VB makes it po
Page 51 and 52: Private Sub Form1_Load(ByVal sender
Page 53 and 54: the .NET runtime determines that it
Page 55 and 56: SyncLock x 'Do something with x End
Page 57 and 58: (I) How can you avoid deadlock in t
Page 59 and 60: Figure :- 4.2 Channels,Formatters a
Page 61 and 62: Implements InterFaceRemoting.InterF
Page 63 and 64: Console.WriteLine(“Referenced the
Page 65 and 66: √ By Keyword “New”. (A) Are C
Page 67 and 68: When total object lifetime is reduc
Page 69 and 70: mode=”SingleCall” type=”Serve
Page 71 and 72: Non-Default constructors can not be
Page 73 and 74: (B) What is UDDI ? Full form of UDD
Page 75 and 76: Figure :- 4.8 Create Web project me
Page 77 and 78: Figure :- 4.9 Create WebService Pro
Page 79 and 80: Figure :- 4.11 Click on Add Web Ref
Page 81 and 82: Figure :- 4.13 Solution showing the
Page 83 and 84: √ Finally you are able to see you
Page 85 and 86: Webservices as such do not have any
Page 87 and 88: (P)Can you show a simple code showi
Page 89 and 90: √ √ VaryByCustom:-Lets you cust
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√ By default Session objects are
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√ View state is good for caching
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√ All browsers support query stri
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Abstraction It allows complex real
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Public Class ClsChild Inherits ClsP
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Public Class ClsChild Inherits ClsA
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(A) What is difference between abst
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Public Class FrmWithEvents Inherits
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Figure :- 6.6 Shadowing in Action (
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(I) Why can not you specify accessi
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Figure :- 6.7 Shared/Static In Acti
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It provides a way to define and use
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Figure :- 6.8 Garbage collection in
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instance and be used with out creat
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(B) How do we assign page specific
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CustomValidator Used to define User
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can say the following authenticatio
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Digest authentication requires that
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With this setting, all the requests
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√ ASP.NET supports full language
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Application_PreSendContent: Fired b
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WebUIValidation.js javascript file
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√ √ √ .ashx, for custom ASP.N
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The above mapping shows which funct
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(I)How do you upload a file in ASP.
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Figure: - 7.5 High isolation scenar
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√ Remove anonymous access to the
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(I)What are the steps to create a w
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8..NET Architecture (B) What are de
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The below two class diagrams will p
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(I)What’s MVC pattern? Twist: - H
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√ First create your class with st
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√ √ Payment Invoicing All the f
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interfaces of these components. SOA
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web service. Both these services ar
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(A)What is aspect oriented programm
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encapsulation. In short the class n
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Public Property UserName() As Strin
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pstrCustcode = Value End Set End Pr
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End Property Public Property NewVal
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9. ADO.NET (B)What is the namespace
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“DataView” object is used to so
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made to the data in the original da
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First below is the code , after the
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Figure :- 9.3 Load only the Employe
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objCommand = New SqlCommand(“Sele
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Config files are the best place to
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Dataset has “AcceptChanges” met
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Delete Deletes the specified row fr
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preferred way of locking practicall
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10. SQL SERVER (B) What is normaliz
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Figure :- 10.4 City is now shifted
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(I)What are indexes and What is the
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(A)What are fact tables and dimensi
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(B)What are the problems that can o
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REPEATABLE READ This setting disall
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prudent to do so is another story;
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UNION SQL syntax is used to select
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(I) What is ACID fundamental and wh
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Figure :- 10.6 DBCC SHOWCONTIG comm
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BCP (Bulk Copy Program) is a comman
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√ AFTER triggers AFTER triggers e
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(B) What is UML? 11. UML The Unifie
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high level, what components form pa
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This should be compulsory diagram a
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Figure :-11.1 Phase mapping with UM
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√ √ √ Object satisfies a cond
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2-Element Constraint: - It shows a
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(A) Explain all parts of a deployme
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(A) Describe various components in
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(A) What are the element in State C
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(A)Describe different elements in S
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Trace: - Indicates historical relat
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Extends: - Indicates that the eleme
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(B) Who is a stakeholder ? Figure :
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writing a book i will have followin
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software development model you will
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Incremental Model In this model we
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√ √ √ Function points Use Cas
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Twist :- What is 80/20 principle ?
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workflow metrics √ walkthrough me
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√ revisions metrics version contr
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√ 13. Free exams (Thanks to www.m
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DOT NET Interview Questions - DotNetSpider

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