Lecture 9

Question 1

4- Which database is specifically designed to be lightweight and integrated with Visual Studio?

Accepted Answer

c) LocalDB

Question 2

11- DataGridView can only display data from SQL databases.

Accepted Answer

False

Question 3

13- A DataTable object allows you to manipulate data in-memory.

Accepted Answer

True

Question 4

14- LocalDB is more complex and feature-rich than full SQL Server.

Accepted Answer

False

Question 5

6- What does the SqlDataAdapter object do?

Accepted Answer

b) Fills a DataTable with data from a database

Question 6

5- Which object is used to establish a connection to a SQL Server database?

Accepted Answer

c) SqlConnection

Question 7

12- SqlCommand is used to execute queries such as SELECT, INSERT, UPDATE, and DELETE.

Accepted Answer

True

Question 8

1- What is the primary purpose of the DataGridView control in Windows Forms?

Accepted Answer

b) Display and edit tabular data

Question 9

15- MemoryStream can be used to handle image data in applications.

Accepted Answer

True

Question 10

9- Which class is used to handle in-memory image data?

Accepted Answer

c) MemoryStream

Question 11

2- Which property would you use to bind a DataGridView to a data source?

Accepted Answer

d) DataSource

Question 12

7- Which keyword helps prevent SQL injection attacks in queries?

Accepted Answer

d) Parameters.AddWithValue()

Question 13

10- Which class defines common image formats such as JPEG and PNG?

Accepted Answer

a) ImageFormat

Question 14

3- Which event is commonly used to handle user clicks in a DataGridView?

Accepted Answer

b) CellClick

Question 15

8- What is the role of the DataTable object?

Accepted Answer

c) Stores table data in memory

Questions 15