Visual Basic Interview Questions & Answers

Visual Basic Interview Online Test
1. How do you register a component?
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2. Name and explain the different compatibility types when creating a COM component
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3. Why is it important to use source control software for source code?
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4. What two methods are called from the ObjectContext object to inform MTS that the transaction was successful or unsuccessful?
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5. What is the tool used to configure the port range and protocols for DCOM communications?
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6. What does Option Explicit refer to?
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7. What are the different ways to Declare and Instantiate an object in Visual Basic 6?
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8. Name the four different cursor types in ADO and describe them briefly.
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9. Name the four different locking type in ADO and describe them briefly.
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10. Describe Database Connection pooling (relative to MTS )?
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11. What are the ADO objects?
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12. Under the ADO Command Object, what collection is responsible for input to stored procedures?
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13. What are some benefits of using MTS?
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14. What is the benefit of wrapping database calls into MTS transactions?
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15. Describe and In Process vs. Out of Process component. Which is faster?
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16. What are the main components of the ADO object model? How are they used?
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17. Can We create CGI scripts in VB??
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18. Dim x, y as integer. What is x and y data type?
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19. What is Centralization Error Handling?
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20. What is frx?
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21. What is the Dll required for running the VB?
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22. Why we use Treeview Control?
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23. Handling Error in Calling chain.
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24. In project properties if we set Unattended what is it mean?
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25. What is the size of the variant data type?
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26. What is view Port?
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27. What are the different types of error?
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28. What is the diff between the Std and Class Module?
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29. What is Mixed Cursors?
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30. Drag and Drop state numbers and functions?
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31. What are the Style Properties of Combo Box?
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32. What are the Style properties of List Box?
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33. What is Collection Objects?
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34. What is the difference between Property Get, Set and Let?
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35. How to change the Mouse Pointer?
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36. What is Friend Variable?
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37. What is DBFailError?
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38. What are the record set types?
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39. What is the diff between RDO and ADO?
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40. Diff types of Lock Types?
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41. What are the scopes of the class?
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42. Have you create Properties and Methods for your own Controls?
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43. Private Dim x as integer. Valid ?
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44. Different type of Instantiation?
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45. What are the different types of Dialog Box?
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46. What is Seek Method which type of record set is available this?
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47. What is Zorder Method?
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48. Can us able to set Instancing properties like Singleuse, GlobalSingleuse to ActiveXDll?
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49. What are properties available in Clip Board?
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50. What is the different between Microsoft ODBC Driver and Oracle OBDC Driver?
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51. What the RDO Methods and Events?
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52. What is MAPI ?
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53. What is MDI form?
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54. Diff type of Datatypes?
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55. What is Tabstrip control?
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56. What is Static Variable?
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57. What is DBSqlPassThrough?
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58. What is the starting Index value? How to locate it?
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59. What is Parser Bug?
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60. What is keyword used to compare to objects?
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61. Suppose from form1 to form2 object property settings will arise to ?
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62. What is the return type of Instr and Strcmp?
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63. What is Implicit?
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64. What is Inprocess and Out of Process?
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65. Where will we give the option explicit keyword and for what?
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66. How can we call Stored procedure of Back End in RDO and ADO ?
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67. What is Static Cursor?
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68. How to check the condition in Msgbox?
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69. What is control array and how many we can have it with in the form?
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70. What is diff between the Generic Variable and Specific Variable?
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71. What is the diff. Between function and sub procedures?
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72. What is the max size allowed for Extension in Visual Basic?
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73. What is FireHouse Cursors?
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74. With in the form we want to check all the text box control are typed or not? How?
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75. What are the type of validation available in VB?
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76. How to trap Data Base Error?
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77. How to declare Dll Procedure?
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78. Referential Integrity (Take care By jet database Engine). Cascade Delete, Cascade Update is done setting property of Attributes.?
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79. How to increase the Date corresponding with month,date,year?
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80. Name some date function?
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81. What is difference between datagrid and flexgrid?
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82. What are two validate with Data Control?
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83. To connect the Data Control with Back end What are all the properties to be set?
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84. What are the Technologies for Accessing Database from Visual Basic?set?
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85. What is the diff between the Create Object and Get object?
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86. What is Mask Edit and why it is used?
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87. What is RdExecDirect?
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88. Different type of Passing Value?
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89. What are types of binding?
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90. What is Dataware Control?
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91. What methods are used for DBGrid in unbound mode?
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92. What is ADO? What are its objects ?
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93. What is the max size allowed for Max Text box length.
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94. Record set types and Number available in VB?
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95. What is the max size allowed for Max Control Names length?
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96. How many procedures are in VB?
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97. What is the max size allowed for Max label caption length.?
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98. What is the max size allowed for Msgbox Prompt and Input Box?
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99. what will be the result for 15/4 and 154 ?
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100. Calling Stored Procedures in VB?
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101. DSN Less Connection?
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