Visual Basic Interview Questions(51-60)
What is Static Variable?
Its Scope will be available through out the life time.
What is DBSqlPassThrough?
It will By Passing the Jet Query Processor.
What is the starting Index value? How to locate it?
It is tab control to place our controls with in the form in multiple sheets.
Index starts with 1.
And to identify If Tabstrip1.SelectedItem.
Index = 1 Then ..
End if
What is Parser Bug?
It is difficult to use database objects declared in a module from within a form.
What is keyword used to compare to objects?
ISOperator Returns Boolean.
Suppose from form1 to form2 object property settings will arise to ?
Invalid procedure call or argument (Run time error 5)
What is the return type of Instr and Strcmp?
Instr integer (Numeric position)
Strcmp - integer ( if both the string are equal they result = 0)
Strcmp (Str1, Str2, Comparetype)
Comparing mode = 0 Binary Comparing
1 Textual Comparing
What is Implicit?
Instance of specific copy of a class with its own settings for the properties defined in that class.
Note: The implicitly defined variable is never equal to nothing.
What is Inprocess and Out of Process?
Inprocess It will run with in the memory. ( Local Machine). Out of Process It will run out of the memory Normally in the server side.
Where will we give the option explicit keyword and for what?
In the general declarations section. To trap undeclared variables.
How can we call Stored procedure of Back End in RDO and ADO ?
In RDO We can call using RDO Query Objects.
In ADO We can call using Command Objects.
What is Static Cursor?
In ADO Snap Shot is called so.
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