Visual Basic

1. What is user control?
2. What is activex? Why it is required in visual basic?What is interface in visual basic? Explain its types in visual basic? And their usage
   
3. Difference between OCX , DLL and EXE ?
4. What is overloading and overriding? Explain diff between them.
5. What is modal and modeless? explain
6. What is compatibility?
7. How to create instance of an object in visual basic? Explain
8. How will you handle error in visual basic application? Explain
9. Explain Diff between array and collection object
10. What is instead of trigger? Explain
    
11. How will you get OCX file added to your project?
    
12. What is typedef? Explain
13. For getting more values from a function which parameter should we use, out or inout ?
14. What is adUseClient and adUseServer? Where it is going to affect in runtime?
15. How to write SQL query in Database environment, the query is parameterized eg: select * from account where accno=x x: has to be taken from an Input box
16. How many child forms can MDI have?
17. What is the difference between Listview and Treeview?
18. What are the three methods in IUnknown interface and their use?
19. What is the purpose of Visual source safe in visual basic?
20. How to Open Outlook Explorer in VISUAL BASIC Code How to change the font color of few times in the list box control while loading in VISUAL BASIC6
21. State 3 main differences between flex grid control and dbgrid control ?
22. Differences between Dnaset& Snapshot?
    
23. What is MTS?
    
24. Define ADO define ActiveX ?
25. How many objects resides in ADO ?
26. What is OLEDB?
27. Clear property is available to which control ?
28. What is RdExecDirect?DSN less Connection?
29. What is DBFailError?
30. How to set a shortcut key for label?
31. Advantages of disconnected record set?
32. Which property of menu cannot be set at run time?
33. How can you Add API functions to your Application?
34. What keyword is associated with raising system level events in VISUAL BASIC?What are the types of Error?
35. What are the different compatibility types when we create a COM component?
36. How can you check Beginning and End of the file?
37. What is ODBC?To set the command button for ESC, Which property needs to be changed?
38. ___ VISUAL BASIC constant make the menu item in centre.
39. ___, ___ arguments will be used to run a executable program in shell function
40. _____ Collection in record set used to assign a value from textbox to table columns without making a binding in data control.
41. ____ Property of menu cannot be set at run time.
42. ____ is the difference between List index and Tab index.
43. ____ Property is used to lock a textbox to enter a data’s.To find the current record position in data control ?
44. _____ is the property to ___,____,___ _ are valid for record source property of data. control.

Visual Basic Interview question - 2

1. Why we need OLE-Automation?
2. What is the starting Index value? How to locate it?
3. Diff type of Datatypes?
4. What is MDI form?
5. What are the type of validation available in VB?
6. What type of recordsets are available in ADO?
7. What is Mixed Cursors?
8. What is Static Cursor?
9. What is view Port?
10. What are the Style Properties of Combo Box?
11. What is oops? what is polymorphism ? does vb supports oops concept in totality? explain
12. What is MTS (Microsoft Transaction Service)
13. How many event in VB6 form.
14. How many objects resides in ADO?
15. ___ is the control used to call a windows application.
16. What are the record set types?
17. What is the diff between RDO and ADO?
18. What is Collection Objects?
19. What is Friend Variable?
20. What is difference between dbgrid and flexgrid control
21. Does VB Supports OOPS Concepts? Explain..
22. What is Centralization Error Handling?
23. What is diff between std exe project and activex exe project ? pl explain
24. Suppose from form1 to form2 object property settings will arise to ?
25. What is option base? diff between option base and option explicit?

Visual Basic Interview Questions -1

1. How can i change font of menubar in visual basic6.0?
2. What is the Dll required for running the VB?
3. Is it possible to call oracle database through ADO control or Object?
4. Can We create CGI scripts in VB?
5. Dim x, y as integer. What is x and y data type?
6. What is visual source safe?
7. What is the size of the variant data type?
8. What is the difference between ADODC and ADODB
9. In project properties if we set Unattended what is it mean?
10. Why we use Treeview Control?
11. What is frx?
12. How to access a picture from database(oracle) into VB Form and to store back to database.
13. What is the difference between Property Get, Set and Let?
14. Describe the different scopes of variables in VB.
15. ___,_____ and ____ container objects.
16. What are the different types of error?
17. What are ActiveX and Types of ActiveX Components in VB
18. What is early binding and late binding ? explain with example
19. Types of ActiveX Components in VB?
20. How many comman controls in VB?
21. How many cursor type and lock type in ADO.Give me Details answers.
22. ___ is the control used to call a windows application.
23. Default property of datacontrol?
24. Have you ever created ActiveX DLLs? If so, why did you create the DLLs instead of using code in the main application?
25. Suppose emp is one class that we have to create, and have to add empname, empid as member of this class, what should be the code for that ? how we can calculate the salary for emp ? pl explain steps.