C# Visual Basic
To run the intermediate language for an application, Visual Studio provides the ___________________
.NET Framework Common Language Runtime
Which of the following is a valid decimal literal? 30.0 30.0c 30.0d 30.0m
30.0m
What form property do you use to activate a button control when the user presses the Enter key?
AcceptButton property
In the order of precedence for arithmetic expressions, addition and subtraction are done (before or after) _________ multiplication and division
After
What happens when this statement is executed? Automobile car = new Automobile(1);
An object of the Automobile class is created.
An inner join combines data from two or more tables in which the related fields _____________
Are the same
If you save the connection string for a data source in the configuration file for the application, a. the string is automatically adjusted if you change it in your C# code b. you won't have to change the string if the connection changes c. you can change the string in just the configuration file if the connection changes d. you can change the string in just one form if the connection changes
C
A variable declared outside of any method has ___________________ scope
Class
To write the C# code for a form, you use a Visual Studio window called the
Code Editor
The fields in a relational database are called ______________________
Columns
The primary components one the .NET Framework are the .NET Framework Class Library and the _____________
Common Language Runtime
When you use a data source to get data from a database, you can a. select just one table with all of its columns b. select one or more tables with all of their columns c. select just one table and just the columns that you want d. select one or more tables with just the columns that you want from each table
D
You can create ADO.NET objects by writing code or by using the _____________ feature
Data Sources
When you use a data adapter to retrieve data from a database, the data that's returned is stored in a data table within a ___________________
Dataset
Which built-in data type is the most precise type for storing monetary values?
Decimal
After you customize a binding navigator toolbar so it can be used to start queries, you need to write the _____________________ handlers that make this work
Event
When you need to convert a value from a more precise data type to a less precise data type, you use an ______________ cast
Explicit
To prevent a control from receiving the focus when the user presses the Tab key, you should set the control's TabStop property to _________________.
False
To add a row to a table in a database, you use the SQL _______________ statement
Insert
Which built-in data type stores only whole numbers?
Int
IDE stands for ____________________
Integrated Development Environment
Before a C# application can be run, it must be compiled into a language called
Microsoft Intermediate Language
The most common type of relationship between tables in a relational database is a _____________________ relationship
One to many
The values operated on by operators in an expression are called __________________
Operands
To customize the way Visual Studio works, you can use the ___________ command in the Tools menu.
Options
To apply formatting to a bound text box, you can use the Formatting and Advanced Binding dialog box that you can access from the __________________ window
Properties
You can use the smart tag menu of a DataGridView control to modify its most commonly used _________________
Properties
The ________________ property of a text box lets you prevent the user from entering data into the control.
Read-Only
Each record in a relational database is called a ________________
Row
You use a _________________ statement to retrieve data from a SQL database
Select
To change the file name for a form, project, or solution you use the ______________________
Solution Explorer
To work with the files of a solution, you use a Visual Studio window called the
Solution Explorer
To create a new Visual Studio project, you select a __________________ from the New Project dialog box to specify the type of project you want to create.
Template
The title that's displayed in the title bar of a form is determined by the ______________ property for the form.
Text
To convert a decimal variable's data to a string, you can use the _______________ method of the variable.
To String
For each parameterized query that you add to a data table, Visual Studio adds a/an __________________ control to the form.
Toolbar
What is the name of the Visual Studio window that contains controls that you can drag onto a form?
Toolbox
To modify the data in one or more rows of a table in a database, you use the SQL _______________ statement
Update
After you've used the properties and methods of a binding source to modify the rows in a dataset, you need to use the __________________ method of the table adapter manager object to make the changes to the database.
UpdateAll
Values that change during the execution of a program are usually stored in _________________
Variables
One of the Visual Studio 2015 languages that can be used for rapid application development is C#. Another language that supports rapid applicaton development is ____________
Visual Basic
When can you not code a method using an expression body?
When the method executes a block of statements
Converting data from a less precise data type to a more precise data type is referred to as a _______________ conversion
Widening
A solution is
a container that holds projects
A read-only property consists of just _________
a get accessor
What type of data will the following method return? private string GetName(int customerID, bool readOnly)
a string type
The ____________ for a method determines whether or not the method can be called by other classes.
access modifier
When you design and develop business classes for an application, your goal is to _________________
allow development to be spread among members of a development team, separate the business rules from the presentation and database logic, make the application easier to develop and maintain ALL OF THE ABOVE
An assembly is
an executable file that includes the MSIL or IL
To assign a more precise numeric data type to a less precise numeric data type, you can code __________
an explicit cast
A class defines the properties and methods of ____________
an object
The fields of a class ________
are the variables that are defined at the class level
When you call a method, you must include the ____________ required by the method.
arguments
When the code for an application has been translated into intermediate language and is ready to run, it is stored in a/an _________________.
assembly
To align two or more controls after you've selected them, you can use _____________________
both the Format menu commands and the Layout toolbar buttons
When a call statement passes a variable as an argument to a method by reference, the called method can change the value of the variable in the _________________ method
calling
If you pass a variable by reference, the called method _______________
can change the value of the variable in the calling method
If you pass a variable by value, the called method _______________
can't change the name of the variable in the calling method
Variables named according to camel notation ______________
capitalize the first letter of every word after the first word
Variables named according to Pascal notation ____________
capitalize the first letter of every word including the first word
The .NET Framework Class Library consists of ____________
classes that are organized into namespaces
The C# ________ builds the source code in a C# source file into an executable file.
compiler
To convert the data in any built-in data type to another data type, you can use the methods of the static ________________ class
convert
A class file that you add to a project has the extension ______________
cs
Two objects created from the same class can have different _______________
data
An object that's used to connect an event to an event handler is known as a ______________
delegate
What feature are you taking advantage of when you call the ToDecimal method of the Convert class without knowing how it's coded?
encapsulation
Which of the variables declared in the following class is an instance variable? public class Customer { public string firstName; private static int count; public string GetDisplayText() { string displayText = firstName + count; return displayText; } }
firstName
The process of creating an object from a class is known as ____________
instantiation
What is the purpose of the Common Language Runtime?
it manages the execution of .NET applications
To delete a method from a class, you not only have to delete the method but also its ______________
keyword
When you call a method with a parameter list, the arguments in the argument list ____________
must be declared with data types that are compatible with the parameters
The signature of a method is formed by the ____________________
name of the method and its parameter list
To override the order of precedence in arithmetic expression, you can use _______
parentheses
When you align or size a group of selected controls, the changes are made relative to the _______________
primary control
What keyword do you code at the beginning of a method that's only available within the current class?
private
f you want to code a method that can only be called from the class that the method is in, you code ____________________ as the access modifier in the method declaration.
private
Which method is an example of overloading the method that follows? public int ParseNumber(String numberString){...}
public int ParseNumber(String numberString, String entry){...}
To generate a call statement and a method from existing code, you can use a feature called ____________________.
refactoring
If a method returns a value and its parameters are passed by value, the code within the method must include a/an ____________________ statement.
return
To return the value of an instance variable named v from a get accessor, you code ____________
return v;
When you use the methods of the Math class, you don't create an object from the class. Instead, you use the _____________ methods of the class
static
Which of the following code examples passes an argument by name?
subtotal:subtotal
What is the purpose of the .NET Framework Class Library?
t provides pre-written code that can be used by .NET applications
A constant stores data _______
that does not change as a program executes
The live code analysis feature lets you generate a code stub for a class or member from ______________
the Quick Actions menu
The tab order determines the order in which ____________
the controls on a form receive focus when the user presses the Tab key
To begin the declaration for a property, you code the public keyword followed by _________
the data type and the name of the property
For each parameter in the parameter list for a method, you must code _______________
the data type of the parameter followed by the name of the parameter
To begin the declaration for a constructor, you code the public keyword followed by _________
the name of the class
When you're entering the C# code for a form and want to refer to a static method in another class, you start with _____________
the name of the class that contains it
If you declare a parameter for a method as optional, __________________
the parameter must be assigned a constant value as its default
In a three-layer application, the three layers are ___________
the presentation layer, the middle layer, and the database layer
To make a method in a class available to other classes, you begin the method declaration with _____________
the public keyword
Why won't the following statement compile? int TaxRate = 0.05d;
the value shouldn't be followed by a letter
The bool data type stores a _____________
true or false value
Windows Forms application runs ______________
under the Windows operating system
What keyword do you code for the return type of a method that doesn't return any data?
void
The process of connecting an event of an object to an event handler is called ____________ the event.
wiring
You can use an auto-implemented property when __________
you want the get and set accessors to simply return and set the value of an instance variable
