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Vb questions

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vb sample questions

vb sample questions

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  • 1. . State 3 main differences between flexgrid control and dbgrid control2. What are ActiveX Controls and Types of ActiveX Components in VB3. What is the Advantage of ActiveX Dll over Active Exe4. What are the Advantages of disconnected recordsets5. State the Benefit of wrapping database calls into MTS transactions6. What are the Benefits of using MTS7. Can database schema be changed with DAO, RDO or ADO?8. Can you create a tabletype of recordset in Jet - connected ODBC database engine?9. What are Constructors and distructors10. Name the Controls that do not have events11. State the Default property of datacontrol12. Define the scope of Public, Private, Friend procedures?13. Describe Database Connection pooling relative to MTS14. Describe: In of Process vs. Out of Process component. Which is faster?15. State the difference between a function and a subroutine,16. State the difference between Dynaset and Snapshot,17. State the difference between early and late binding,18. State the difference between image and picture controls,19. State the difference between Linked Object and Embedded Object,20. State the difference between listbox and combo box,21. State the difference between Listindex and Tabindex,22. State the difference between modal and moduless window,23. State the difference between Object and Class,24. State the difference between Query unload and unload in form,25. State the difference between Declaration and Instantiation an object?26. Draw and explain Sequence Modal of DAO27. How can objects on different threads communicate with one another?28. How can you force new objects to be created on new threads?29. How does a DCOM component know where to instantiate itself?30. How to register a component?31. How to set a shortcut key for label?32. What kind of components can be used as DCOM servers33. Name of the control used to call a windows application34. Name the four different cursor and locking types in ADO and describe them briefly35. Explain the need of zorder method,36. Max. Number of controls in form,37. State the Property used to add a menus at runtime,38. Name the Property used to count number of items in a combobox,39. How do you resize a label control according to your caption.40. Return value of callback function, The need of tabindex property41. Thread pool and management of threads within a thread pool42. To set the command button for ESC, Which property needs to be changed?43. Type Library and what is its purpose?44. Types of system controls, container objects, combo box45. Under the ADO Command Object, what collection is responsible for input to stored procedures?46. VB and Object Oriented Programming47. What are the ADO objects? Explain them.48. What are the different compatibility types when we create a COM component?49. What do ByVal and ByRef mean and which is the default?50. What does Option Explicit refer to?51. What does the Implements statement do?52. What is OLE and DDE? Explain.53. What is the difference between Msgbox Statement and MsgboxQ function?54. What keyword is associated with raising system level events in VB?55. What methods are called from the ObjectContext object to inform MTS that the transaction wassuccessful or unsuccessful?56. What types of data access have you used.57. What was introduced to Visual Basic to allow the use of Callback Functions?58. Which controls can not be placed in MDI?59. Which controls have refresh method, clear method60. Which Property is used to compress a image in image control?61. Which property of menu cannot be set at run time?
  • 2. 62. Which property of textbox cannot be changed at runtime and Whats the maximum size of a textbox?63. Which tool is used to configure the port range and protocols for DCOM communications?

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