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Visual Basic Interview Questions and Answers
What is view Port?
The area under which the container provides the view of
the ActiveX Document is known as a view port.
What are the different types of error?
Syntax Errors, Runtime , Logic.
What is the diff between the Std and Class Module?
Std Global with in the project. Cls Global through out
the all project only thing is we want to set the type
lib. Class Modules can be Instantiated.
What is Mixed Cursors?
Static + Keyset
Drag and Drop state numbers and functions?
State 0 Source control is being dragged with the range
of a target.
1 Out of the range of a target.
2 One position in the target to another.
What are the Style Properties of Combo Box?
Simple, Dropdown list We can type and select. Dropdown
Combo Only Drop Down.
What are the Style properties of List Box?
Simple Single Select , Extended. Multiple Select.
What is Collection Objects?
Similarly to arrays but is preferred over an array
because of the following reasons.
1. A collection objects uses less Memory than an array.
2. It provides methods to add and delete members.
3. It does not required reason statement when objects
are added or deleted.
4. It does not have boundary limitations.
What is the difference between Property Get, Set and
Let?
Set Value is assigned to ActiveX Object from the form.
Let Value is retried to ActiveX Object from the form.
Get- Assigns the value of an expression to a variable or
property.
How to change the Mouse Pointer?
Screen.MousePointer = VBHourGlass/VBNormal.
What is Friend Variable?
Scope sharable between projects.
What is DBFailError?
Rolls Back updates if any errors Occurs.
What are the record set types?
RdOpenFowardOnly 0 (Default used only for the read only
purpose)
RdOpenStatic 1
RdOpenDynamic 2
RdOpenKeySet 3 (Normally used for the live project)
What is the diff between RDO and ADO?
RDO is Hierarchy model where as ADO is Object model. ADO
can access data from both flat files as well as the data
bases. I.e., It is encapsulation of DAO, RDO , OLE that
is why we call it as OLE-DB Technology.
Diff types of Lock Types?
RdConcurReadOnly 0 (Default)
RdConcurLock 1 (Pessimistic Locking)
RdConcurRowver 2 (Optimistic Lociking)
RdConcurValues 3
RdConcurBatch 4
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