VB interview questions

34 Comments on VB interview questions

1. shvraj Dabi
   Posted 5/9/2006 at 1:16 pm | Permalink

   2.We set the CancelError property equal to True to cause an error to be raised if the user closes the dialog box by clicking Cancel or the Close button. The error number returned is 32755
   Ans. 1

2. shvraj Dabi
   Posted 5/9/2006 at 1:17 pm | Permalink

   1.Description

3. shvraj Dabi
   Posted 5/9/2006 at 1:28 pm | Permalink

   3.If this is a question about activex control component then it is .CAB

4. shvraj Dabi
   Posted 5/9/2006 at 1:35 pm | Permalink

   5.Nothing

5. shvraj Dabi
   Posted 5/9/2006 at 1:36 pm | Permalink

   7.On Error GoTo 0

6. shvraj Dabi
   Posted 5/9/2006 at 1:46 pm | Permalink

   11.Consists of several Projects

7. shvraj Dabi
   Posted 5/9/2006 at 1:48 pm | Permalink

   14.BackColor, Transparent

8. shvraj Dabi
   Posted 5/9/2006 at 1:52 pm | Permalink

   15.AutoRedraw = True

9. Kamlesh Patani
   Posted 5/26/2006 at 5:51 am | Permalink

   4. (1)

10. Kamlesh Patani
    Posted 5/26/2006 at 5:59 am | Permalink

    9. Cancel parameter to 1

    12. Form window, standard or code module

    16. Msgbox err.number & err.description

    17. To provide a repository for images used by other controls

    19. Value

11. Kamlesh Patani
    Posted 5/26/2006 at 6:08 am | Permalink

    20. Open dialog box

    21. Deactivate

    23.Bold

    25. KeyPress, KeyUp and KeyDown

    26. Binary Format

    27. CurrentX and CurrentY

    28. Property Let

    29..ZOrder property

    34.Max

    35.Shell

    37.Can be different at times

12. Kamlesh Patani
    Posted 5/26/2006 at 6:27 am | Permalink

    “Hi friends, If any this wrong ? than , I am sorry. Give me true answer of that”

    38. MyVar has not been declared

    39. None of the above

    40.A critical message icon

    42.NextRecordset

    43.CursorLocation

    44.Hexadecimal Coding

    45. Ensure that a Standard Exe form is included and is made the Startup Form.

    46. Tab index

    47. Current X and Y co-ordinates of mousepointer

    48. Deleting files

    49. LinkMode

    50.DragDrop

    51.Caption

    52.Change, Link Error

    55.strFirstName * 255

    57.Number

    58. ToolTipText

    59. SendKeys

    59.Initialize, Load, Paint and Resize

    63.Error
    65.Module level variable

    67.The Caption of Form1 will not change

    68.Activate

    69.Dynamic

    70.Resume next

13. ac
    Posted 6/13/2006 at 9:49 am | Permalink

    64. integer

14. ac
    Posted 6/13/2006 at 9:55 am | Permalink

    62. records affected

15. ac
    Posted 6/13/2006 at 9:59 am | Permalink

    61. 1024

16. Abhishek Sharan
    Posted 6/19/2006 at 2:08 am | Permalink

    24. Err.Raise vbObjectError + 20000

17. Arun Kumar
    Posted 6/21/2006 at 1:17 am | Permalink

    54. Add, Remove, Item

18. Mamatha
    Posted 7/11/2006 at 3:03 am | Permalink

    Answer for question 1: Source

19. Mamatha
    Posted 7/12/2006 at 5:38 am | Permalink

    Answers:
    2 : A runtime error can result if the user clicks the cancel button
    3 : .ctl
    4 : File List Box
    5 : Nothing
    6 : Validate
    7 : On Error Resume Next
    8 : UpdateControls
    9 : Cancel parameter to a non-zero value
    10 : No Limit (not sure, correct me if I’m wrong)

20. Mamatha
    Posted 7/13/2006 at 3:28 am | Permalink

    Answers:
    11 : Consists of several Projects
    12 : Form window, standard or code module
    13 : Place code in the Unload event or Place code in the QueryUnload event
    14 : Not sure
    15 : AutoRedraw = True
    16 : Msgbox err.number & err.description
    17 : To provide a repository for images used by other controls
    18 : FreeFile
    19 : Get
    20 : Open dialog box , Help

21. Hasmukh Hapra
    Posted 7/13/2006 at 7:20 am | Permalink

    Ans of this all Question

    Dear all i am trying to give u all ans If any Answer is wrong? than, I am sorry. Give me True Answer of that Question

    1. Desc
    2. A runtime error can result if the user clicks the cancel button
    3. .ctl
    4. File List Box
    5. Nothing
    6. Validate
    7. On Error GoTo 0
    8. UpdateControls
    9. Cancel parameter to 1
    10. No limit
    11. Consists of several Projects
    12. Form window, standard or code module
    13. Place code in the Unload event OR Place code in the QueryUnload event
    14. BackStyle, Transparent
    15. AutoRedraw = True
    16. Msgbox err.number & err.description
    17. To provide a repository for images used by other controls
    18. FreeFile
    19. Get
    20. Open dialog box
    21. Deactivate
    22.
    23. Multi-Line AND Bold
    24. Err.Raise vbObjectError + 20000
    25. KeyPress, KeyUp and KeyDown
    26. Binary Format
    27. CurrentX and CurrentY
    28. Property Let
    29. ZOrder property
    30.
    31.
    32.
    33.
    34. Max
    35. Shell
    36.
    37. Can be different at times
    38. MyVar has not been declared
    39. None of the above
    40. A critical message icon
    41.
    42. NextRecordset
    43. User Name AND CursorLocation
    44. Hexadecimal Coding
    45. Ensure that a Standard Exe form is included and is made the Startup Form
    46. Tab index
    47. Current X and Y co-ordinates of mousepointer
    48. Deleting files
    49. LinkMode
    50. DragDrop
    51. Caption
    52. Got_Focus, Lost_Focus
    53.
    54. Add, Remove, Item
    55. strFirstName * 255
    56. Only (ii) is correct
    57. Number
    58. ToolTipText
    59. SendKeys
    Initialize, Load, Paint and Resize
    60.
    61. 1024
    62. RecordsAffected
    63. Error
    64. Integer
    65. Module level variable
    66.
    67. The Caption of Form1 will not change
    68. Activate
    69. Dynamic
    70. Resume next

22. Mamatha
    Posted 7/19/2006 at 4:35 am | Permalink

    Answers:

    21 : Deactivate
    22 : GetDataMember
    23 : Multi-Line, Bold
    24 : Err.Raise vbObjectError + 20000
    25 : KeyPress, KeyUp and KeyDown
    26 : Binary Format
    27 : CurrentX and CurrentY
    28 : Property Set
    29 : ZOrder property
    30 : Count

23. Mamatha
    Posted 7/19/2006 at 7:54 am | Permalink

    Answer for Question 28 is ‘Property Let’.
    Sorry I gave wrong answer before

24. Mamatha
    Posted 7/21/2006 at 5:58 am | Permalink

    Answers :
    31 : When a control is placed on a form at design time ,
    When a form designer containing a control is closed,
    When an application terminates and re-enters design-time for the host application
    32 : Initialize
    33 : 513 - 65535
    34 : Value
    35 : Shell
    36 : ActiveX Document Migration Wizard
    37 : Can be different at times
    38 : MyVar has not been declared
    39 : None of the above
    40 : A critical message icon

25. Mamatha
    Posted 7/21/2006 at 7:54 am | Permalink

    Answers:
    41 : A list of all currently loaded forms
    42 : NextRecordset
    43 : UserName, CursorLocation
    44 : Hexadecumal coding
    45 : Compile the DLL
    46 : TabIndex
    47 : Current X and Y co-ordinates of cursor
    48 : Deleting Files
    49 : UseMnemonic
    50 : DragDrop

26. Mamatha
    Posted 7/24/2006 at 7:28 am | Permalink

    Answers:

    51: Caption
    52: Got_Focus, Lost_Focus
    53: CancelBatch
    54: Add, Remove, Item
    55: None of the Above
    56: Only (i) is correct ; (ii) contains an error
    57: Number
    58: ToolTipText
    59: SendKeys,Initialize, Load, Resize and Paint
    60: Default Value

27. Mamatha
    Posted 7/25/2006 at 5:30 am | Permalink

    Answers:
    61 : 1024
    62 : RecordsAffected
    63 : Driver
    64 : Integer
    65 : Module level variable
    66 : SortKey
    67 : The Caption of Form1 will not change
    68 : Paint
    69 : Dynamic
    70 : Resume next

28. Rana
    Posted 8/25/2006 at 4:21 am | Permalink

    1. You are creating a client application that calls ActiveX DLLs. Which of the following properties of the Err object provides the name of a component that sends an error back to the client application?
    o Source
    2. If the Cancel Error Property of the CommonDialog Box is set to true then which of the following statement is true:
    o A runtime error can result if the user clicks the cancel button
    3. What is the extension of the Visual Basic project file that stores the design of a user control.
    o .ctl
    4. A __________ control defaults to displaying the files in the current directory:
    o File List Box
    5. To destroy an object and free the memory space occupied by it, the keyword used is:
    o Nothing
    6. Which event of a text box would you use for validating the data entered by the user?
    o Validate
    7. Which of the following statements forces inline error handling?
    o On Error Resume
    8. The _______ method resets the contents of bound controls to their original values when the user clicks on the cancel button.
    o UpdateControls
    9. To deactivate the Form UnLoad event, you make the following change in the function definiton: Private Sub Query_Unload(Cancel as Integer,UnloadMode as Integer)
    To prevent the Form from closing, you will set the:
    o Cancel parameter to a non-zero value
    10. How many root nodes can a TreeView control have?
    o No limit
    11. A project group is a Project which:
    o Consists of several Programs
    12. Procedures declared in a _____ are local whereas procedures declared in a ______ are available to the whole application.
    o Form window, standard or code module
    13. How can you keep the user from exiting a form by clicking the Close button?
    o Place code in the Unload event
    o Place code in the QueryUnload event
    14. In order to provide a transparent background to the Form, you must change the _________ property to _______.
    o BackStyle, Transparent
    15. The _______ property enables Visual Basic to draw complete images in memory before displaying them on the Screen.
    o AutoRedraw = True
    16. You want to display the code and the description of an error. What would be the correct syntax?
    o Msgbox error.number & error.description
    o None of the above
    17. What is the purpose of the Image List Control?
    o To provide a repository for images used by other controls
    18. Which method would you use to get a free or unused File identifier while opening any file:
    o FreeFile
    19. Which property procedure is used to retrieve the value of a property?
    o Get
    20. Which of the following can be shown to the user using the Common Dialog control in VB?
    o Open dialog box
    21. Which event is triggered when the user moves to another open form?
    o Deactivate
    22. Which event of an ActiveX control data provider runs every time a bound control extracts data through the provider?
    o GetDataMember
    23. Which of the following are not properties of Command Button:
    o Multi-Line
    o Bold
    24. You are creating an ActiveX component that raises user-defined errors. Which of the following statements correctly raises an error to the client with error number 20000?
    o Error.Raise vbObjectError + 20000
    25. Which events enable you to determine which key was pressed by the user?
    o KeyPress, KeyUp and KeyDown
    26. In order to access a file in Non-textual format, you have to open file in:
    o Binary Format
    27. Visual Basic displays information depending upon the current value of two properties of the form, called:
    o CurrentX and CurrentY
    28. Which of the following procedure types will execute when you assign a value to a property of an object?
    o Property Let
    29. In order to overlap the controls (say a command button) during design time, we use the ‘Send To Back’ or ‘Bring To Front’ option from the Edit menu. To change it dynamically (i.e.during program execution) we need to change:
    o ZOrder property
    30. Name the only property supported by a collection?
    o Count
    31. Which of the following situations would not cause the Initialize event of an ActiveX control to occur?
    o When a control is placed on a form at design time
    o When a form designer containing a control is closed
    o When an application terminates and re-enters design-time for the host application
    32. Which event occurs only once in the entire life cycle of an ActiveX control?
    o Initialize
    33. You are creating an ActiveX component that raises user-defined errors. What is the valid range of error numbers that you can use for user-defined errors?
    o 513-65535
    34. Which property of the ProgressBar determines how much of the bar is filled?
    o Value
    35. The ______ function can be used to run any .com, .exe, .bat or .pif file from a Visual Basic program.
    o Shell
    36. One can convert a Visual Basic Application into ActiveX Document using:
    o ActiveX Document Migration Wizard
    37. The caption and the name properties of the command button:
    o Can be different at times
    38. You try to initialize a new Object variable with the following line but receive an error. What could be the possible cause?
    Set MyVar = New Classname
    o MyVar has not been declared
    39. Which of the following will perform a direct execution of a Command object?
    o None of the above
    40. The vbCritical symbol displays:
    o A critical message icon
    41. What does the forms collection contain?
    o A list of all currently loaded forms
    42. Which method of the Recordset object should you use to navigate multiple recordsets returned by a stored procedure?
    o NextRecordset
    43. Which of the following cannot be included in the Open method of the recordset?
    o User Name
    44. The settings for the Color properties in Visual Basic are indicated by:
    o Hexadecimal Coding
    45. What you must do before you make calls to an ActiveX DLL project in the same Project Group?
    o Compile the DLL
    46. The _______ property changes the tab order at runtime:
    o Tab index
    47. What do CurrentX and CurrentY return?
    o Current x and y co-ordinates of the control
    48. The Kill command in Visual Basic is used for:
    o Deleting files
    49. If one needs to use an ampersand(&) in a Label but does not want it to be an Access Key, the _______ property of the label must be set to False.
    o UseMnemonic
    50. Which of the following is the only drag related event?
    o DragDrop
    51. Which property of the form changes the form’s title?
    o Caption
    52. Labels do not respond to _____ and ______ events.
    o Got_Focus, Lost_Focus
    53. Which of the following statements is capable of abandoning a series of modifications made to a recordset locked with a BatchOptimistic lock?
    o CancelBatch
    54. Which three methods does the collection object support?
    o Add, Remove, Item
    55. Which line of code listed here can be used to create a string of fixed length:
    o None of the above
    56. Consider the following program code:

    (i) Dim FileName as String
    Open FileName For Input As #FreeFile

    (ii) Dim FileName as String
    FileNum = FreeFile
    Open FileName For Input As #FileNum
    o Only (i) is correct
    o (ii) contains an error
    57. Which property of the Err object returns the numeric value associated with the most recent runtime error?
    o Description
    o Number
    o Source
    o Errorcode
    o Code
    59. In Visual Basic, which method can you use to send key strokes to other Window applications?
    o SendKeys
    58. The ______ property is used to show Tool Tips or Help Balloons when the mouse rests on the object:
    o ToolTipText
    59. What is the sequence in which the following events are triggered when a form is loaded?
    o Initialize, Load, Resize and Paint
    60. Which parameter of the WriteProperty method can be omitted but should be included to increase the efficiency of the control?
    o DefaultValue
    61. Message Boxes can hold a maximum of _______ characters.
    o 1024
    62. Which parameter of the Execute method of the Connection object returns the number of records that the operation affected?
    o RecordsAffected
    63. Which of the following is not an element of the ADO model?
    o Driver
    64. What data type is the HelpContextID?
    o Integer
    65. Variables that allow sharing of values across event procedures are called:
    o Module level variable
    66. Which property of the ListView control determines which field a sort is based on?
    o SortKey
    67. Consider the following subprogram:

    Sub ChangeText(ByVal X as String,Y as String)
    Y = X
    End Sub
    If you are calling it using the following code:
    Call ChangeText(Form1.Caption,Y$)
    o The Caption of Form1 will not change
    68. Visual Basic fires the _______ event everytime a part of the form is newly exposed.
    o Paint
    69. Which of the following ADO recordset types provides the greatest degree of concurrency?
    o Dynamic
    70. Which of the following is the only valid Resume statement in an error handler?
    o Resume next

29. nash
    Posted 8/26/2006 at 1:28 am | Permalink

    How could we find out the number of elements in a array?
    How to make a function return more than one value?
    How to Reverse a Statement or a line?

30. nagesh
    Posted 8/30/2006 at 12:21 am | Permalink

    how to find out the number fields in a table?

31. Mamatha
    Posted 9/2/2006 at 5:32 am | Permalink

    To find out the number of fields in a table, use the ‘cols’ property.

32. Santosh Kumar Dasari
    Posted 10/26/2007 at 5:54 am | Permalink

    1) You are creating a client application that calls ActiveX DLLs. Which of the following properties of the Err object provides the name of a component that sends an error back to the client application?

    Ans: Souarce (property source of err object returns the name of the object that orginated the error)

33. Mahesh
    Posted 12/19/2007 at 6:36 am | Permalink

    Q. 23 - Ans: Multi-Line, bold and Tag are not properties of Command Button.

34. Mahesh
    Posted 12/19/2007 at 6:38 am | Permalink

    Q. 14 Ans: - Backstyle, Transparent