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Visual Basic Interview Questions and Answers
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,
What methods are used for DBGrid in unbound mode?
AddData, EditData, Readdata, WriteData.
What is ADO? What are its objects ?
ActiveX Data Object. ADO can access data from both flat
files as well as the databases. I.e., It is
encapsulation of DAO, RDO, and OLE that is why we call
it as OLE-DB Technology. Objects are Connection, Record
Set, Command, Parameter, field, Error, Property.
What is the max size allowed for Max Text box length.
32,000
Record set types and Number available in VB?
3.
1- Dynaset, 0 Table, 2 Snap Shot.
What is the max size allowed for Max Control Names
length?
255.
How many procedures are in VB?
2.
function and sub procedures
What is the max size allowed for Max label caption
length.?
2,048
what will be the result for 15/4 and 154 ?
15/4 = 3.75 and 154 = 3
What is the max size allowed for Msgbox Prompt and Input
Box?
1024
Calling Stored Procedures in VB?
1. Calling Simply the Procedure with out Arguments "Call
ProcedureName}"
2. If it is with Arguments Means then
Declare the Query Def qy
Set Qy as New Query def
Qy.SQL = "{Call ProcedureName(?
DSN Less Connection?
"Server=Oracle; Driver={Microsoft ODBC for Oracle};"
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