If nothing is selected in a combo box, its index value is

A. -1

B. 0

C. 1

D. Null

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. When a project is Built it creates a _______ and ________ file under Bin directory
  2. This view pops up if "Ctrl+F1" is pressed
  3. A user wants that custom colors are visible when the Color Dialog Box is first Opened. What should he…
  4. To print use
  5. A form can not call itself
  6. To make a button the default button, this property of the form must be set
  7. Get method is used to
  8. Class ccpublic _________ I as stringend classButton1_Clickcc.I=100
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  11. FolderBrowserDialog displays
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  13. Use a _________ statement to make Visual Basic object the default object for a set of enclosed Visual…
  14. In HelpProvider ___________ property is used to mention the help file name
  15. VB.NET does not support control arrays
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  18. A DataSet can be updated only when the connection is open
  19. To add controls at runtime use
  20. If a Label control's AutoSize property is set to True, can you resize the control
  21. If nothing is selected in a combo box, its index value is
  22. If Scrollbars property of a TextBox is set to Hortizontal and the WordWrap property is also set to true.…
  23. Application.StartupPath actually points to
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  27. The default event handler of TextBox is
  28. On error goto lbl is a
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  30. _________ and _____________ combines to make a KeyPress event