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PROGRAM - BSc IT
SEMESTER - FOURTH
SUBJECT CODE &
NAME - BT0082, Visual Basic
CREDIT - 4
BK ID - B1093
MAX. MARKS – 60
Q1. Describe the
select – case statement in vb.net with example. 7+3 = 10
Ans: Select…Case
statement: If
you need to perform a series of specific checks, Select...Case is present in
VB.Net and is just the ticket for this. The general structure of Select...Case
statement is as follows:
Select
<any implicit data type
Q2. How to handle
error in VB? Explain. 10
Ans: handle error
in VB: For
compatibility, Visual Basic 2005 and other .NET versions of Visual Basic still
support the old-style syntax for error handling that was used in Visual Basic 6
and earlier versions. That means you can still use the syntax presented in this
review. However, it is strongly recommended that you avoid using this old-style
syntax in favor of the exception handling features that are native to .NET.
Using the new Try...
Q3. Define SQL.
Explain the select statement of SQL with examples. 2+8 = 10
Ans: Structured Query Language: SQL (pronounced SeeKwel), is short for
Structured Query Language, and is a way to query and write to databases (not
just Access). The basics are quite easy to learn. If you want to grab all of
the records from a table in a database, you use the SELECT word. Like
Q4. Describe the concept
of record navigation in VB.NET. 10
Ans: Concept of
record navigation in VB.NET : (i)
Move Back One Record at a Time To move backwards through the DataSet, we need
to decrement the inc counter. This means is deducting 1 from whatever is
currently in inc.
But
we
Q5. Describe the
concept of jagged arrays in visual basic with an example. 10
Ans: Jagged Arrays Definition – 1: An array of which each element is
itself an array is called an array of arrays, or a jagged array.
Definition – 2: An array of which each element is
itself an array is called an array of arrays, or a jagged array.
Note: Having arrays as elements is not
the same thing as a multidimensional array, which has more than one index
Q6. Describe the methodology of adding node
objects to a TreeView control. Also describe how to control the appearance of
individual Node objects. 6+4 = 10
Ans: Adding Node
objects: One of
the shortcomings of the TreeView control is that you can't add items at design
time as you can with ListBox and ComboBox controls. You can add Node objects
only at run time using the Add method
Get fully solved assignment. Buy online from website
online store
or
plz drop a mail with your sub code
we will revert you within 2-3 hour or immediate
Charges rs
125/subject and rs 500/semester only.
if urgent then call us on 08791490301, 08273413412
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