BT0082, Visual Basic

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SUMMER 2015, ASSIGNMENT

PROGRAM	BSc IT
SEMESTER	FOURTH
SUBJECT CODE & NAME	BT0082, Visual Basic
CREDIT	4
BK ID	B1093
MAX.MARKS	60

Q.1  Explain the event driven applications in vb.net.

Explain common control events and common form events in vb.net.

Answer: - Event driven applications in vb.net:- Event-driven programming is a programming paradigm in which the flow of program execution is determined by events - for example a user action such as a mouse click, key press, or a message from the operating system or another program. An event-driven application is designed to detect events as they occur, and then deal with them using an appropriate event-handling procedure. The idea is an extension of interrupt-driven programming of the kind found in early command-line environments such as DOS, and in embedded systems (where the application is implemented as firmware).

Q.2  Describe the concept of Exit try statement in Vb.net with an example.

Answer: - Exit try statement: - Provides a way to handle some or all possible errors that may occur in a given block of code, while still running code.

3.  Define SQL. Explain the select statement of SQL with examples.

Answer: SQL (Structured Query Language) is a standard interactive and programming language for getting information from and updating a database. Although SQL is both an ANSI and an ISO standard, many database products support SQL with proprietary extensions to the standard language. Queries take the form of a command language that lets you select, insert, update, find out the location of data, and so forth. There is also a programming interface.

4. Describe the concept of record navigation in VB.NET.

Answer:

Q.5 Describe the concept of jagged arrays in visual basic with an example.

Answer: - jagged arrays: - A jagged array is an array whose elements are arrays. The elements of a jagged array can be of different dimensions and sizes. A jagged array is sometimes called an "array of arrays." The following examples show how to declare, initialize, and

6. Describe the features of List View Control. Also describe how to set its design time properties.

Answer: The ListView control displays data in a format that you define by using templates and styles. It is useful for data in any repeating structure, similar to the DataList and Repeater controls. However, unlike those controls, with the ListView control you can enable users to edit, insert, and delete data, and to sort and page data, all without code.

You can bind the ListView control to data in these ways:

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