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Different type of Passing Value?
By value, By ref, Optional, Param Array. Note:- Optional keyword cannot be used while declaring arguments for a function using param array.
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How to declare Dll Procedure?
Declare function "<Function Name>" lib "<Lib Name>" Alias "<Alias Name>" (Arg, …..) as Return type.
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What is MAPI ?
Messaging Application programming Interface.
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What are two validate with Data Control?
Data_Validate, Data_Error.
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What is Dataware Control?
Any control bound to Data Control. Ex:- Textbox, Check Box, Picture Box, Image Control, Label, List box, Combo Box, DB Combo,
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What are the Technologies for Accessing Database from Visual Basic?
DAO, Data Control, RDO, ODBCDIRECT, ADO, ODBC API , 0040.
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What is RdExecDirect?
Bypasses the Creation of a stored procedure to execute the query. Does not apply to Oracle.
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What is DBSqlPassThrough?
It will By Passing the Jet Query Processor.
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What methods are used for DBGrid in unbound mode?
AddData, EditData, Readdata, WriteData.
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What is view Port?
The area under which the container provides the view of the ActiveX Document is known as a view port.
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What is DBFailError?
Rolls Back updates if any errors Occurs.
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What is FireHouse Cursors?
Forward Only Some time Updateable
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What is Static Cursor?
In ADO Snap Shot is called so.
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Visual Basic Interview Questions
Ans