MELJUN CORTES VB.NET Midterm Exercise 2

7/27/2019 MELJUN CORTES VB.NET Midterm Exercise 2

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JOSE RIZAL UNIVERSITY Computer Science Department

ITC 23 Object Oriented Design and Development

LABORATORY EXERCISES

GRADED EXERCISE #2-1

Timer Control, Date and Time Functions with Color and MouseMove Method

FORM 1:

Sample Interface / Form Layout: Sample Output:

Instructions:

Add five Labels to your form

Use the default object name of each label (i.e.. Label1, Label2, Label3, Label4, Label5)

Change Labels properties:

o Label1, Label2, Label3 & Label4

Font: 14

o Label5

Font: 48

Add Timer object

Note: Timer object will be displayed on the form but at the lower part of the screen.

Change Timer properties:

o Enable: TRUE

o Interval: 1000

Use Color and MouseMove Method/Event Procedure to change the background color of the form

depending on the selected color.

Note: Your output will be based on the computer system date.

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Red Green Yellow Blue Red Green Yellow Blue

Tuesday November

032009


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Conditional Statement using Select Case with GroupBox Control

Solution Name : MPSOL01 Example: MPSOL01RichardGwapoProject Name : MPPJT02 Example: MPPJT02RichardGwapo

Form Name : MPFRM01 Example: MPFRM01RichardGwapo

FORM 3: Sample Interface/Form Layout:

Formula:

Semestral Grade = 25% of Prelim + 25% of

Midterm + 50% of Final

Point Equivalent Table:

Problems:

For New Entry Button:

Upon clicking displays this message box

If Yes will clear all entries else nothing happen

For Compute Button:

Upon clicking displays this message box

If Yes will display the results else nothing happen

For Exit Button:

Will close the program/application

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Sem Grade Pt. Equivalent

100 1.00

95-99 1.50

90-94 2.00

85-89 2.50

80-84 3.00

75-79 3.50

74 below 5.00


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GRADED EXERCISE #3

RadioButton and CheckBox Control with Variables and Constants



For Compute button:

Sub-Total will display the amount based

on the selected items (TV size)

Discount will display the amount based

on the selected discount (radio button)

Net Amount get the difference of sub-

total and discount amount.

Note:

You can select one or more items (check

boxes) (see sample output below)

If no selected discount percentage the

computer will assume of 0% discount.

If no item selected all labels will have a

value of 0.00.

For Clear All button:

Will deselect all checkboxes and radio

button.

Will clear all labels. (i.e., Sub-Total,

Discount & Net Amount)

For Close Button:

Will close the program/application

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RadioButton and CheckBox Control



PRICES:

Size:

Small Php 100.00

Medium 150.00

Large 200.00

Crust Type:

Thin Crust same as size pricesThick Crust Plus 50% of size

prices

Drinks:

Soft Drinks Php 20.00

Fruit Juice 15.00

Coffee/Chocolate 25.00

Extra Toppings:

Plus Php 10.00 per extra toppings

Build Pizza Button: will display

message box Your Pizza (seesample above)

Clear Toppings Button: will uncheck all

check boxes.

Compute Button: will display all values

under Amount frame

Clear All Button: will clear all entries

Exit Button: will close the program.

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GRADED EXERCISE #4

Random Function

FORM 1: Guessing Game

Sample Interface/Form Layout

Problems: Guess number should be from 0 9 only

Prompt the user with invalid input

Compare the users input and computer generated number then display a message box for correct and

incorrect guess (see sample output)

FORM 2: Lucky Seven

Specification:

Add 3 labels

o Label1, Label2 & Label3

Name: lblNum1, lblNum2, lblNum3

BorderStyel: FixedSingle

FontSize: 20 FontStyle: Bold

Text: None

TextAlign: MiddleCenter

o Button

Name: btnSpin

Text: &SPIN

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Enter your guess number:

Output: If one of the labels has a value 7


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Problems:

Spin button, upon clicking will generate a random numbers to each label

Random numbers should be from 0 to 9 only

Display a message as shown in the sample message box (see above)

FORM 3: Three (3) Digits Lotto

Instructions:

1. Your bet should not be less than 10 pesos, otherwise it will prompt you with Enter minimum amount of Php

10.00

2. Enter single digits for each of the text box

3. If the content of the text box are all equal to the winning numbers (in order) it will prompt you with You have

won 1 MILLION PESOS JACKPOT (see sample Message box below), otherwise it will prompt you with

Sorry better luck next time4. But, if the content of the text box are equal to the winning numbers (but not in order) it will prompt you with

You have won a consolation prize of ____. The consolation prizes will depend on the BET amount(Example: Bet is 100, multiply your bet to 1,000.00 to get the consolation amount.)

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Output: If no one has a value 7


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Output for Jackpot Output for Consolation prize

GRADED EXERCISE #5

ComboBox, ListBox & NumericUpDown Controls

Form 1: Sample Program: without discount

Specifications:

ListBox

o Name: lstParts

o Items: see items in the figure

ComboBox

o Name: cboDisc

o Items: 5%, 10%, 15% & No Discount

Label (Name:)

o lblUPrice

o lblSubTot

o lblDisc

o lblTotAmt

o TextAlign: Right

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Sample Output: with discount

NumericUpDown

o Name: nudQuan

o Minimum: 0

o Maximum: 100

Button (Names:)

o btnCompute

o btnClear

o btnClose

Computer Parts Prices

Monitor 2,000.00

Keyboard 250.00

Mouse 100.00

Hard Disk 1,000.00Disk Drive 200.00

ListBox Control with Double Click Method/Event Procedure

and Looping Statement

Form 2: ListBox to ListBox

Sample Output:

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Underwear Selected Underwear

Underwear Selected Underwear


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Specifications:

2 list box (Name: lst1 & lst2 respectively)

2 buttons

Problems:

Double Click items in the Underwear list box then will copied to the Selected Underwear list box

Clear All button will clear all items in Selected Underwear list box

Clear Selected Item button will clear only the selected item in Selected Underwear list box

ComboBox, ListBox & NumericUpDown Controls

FORM 3: Tuition Fee Computation

Instructions:

Define your own controls/objects name

Course: (ComboBox)

o Items: BSIT, BSCS, BSA, BSN

Year Level: (ListBox)

o Items: Freshem, Sophomore, Junior,

Senior

Total Units: (NumericUpDown)

o Minimum: 3

o Maximum: 30

Lab. Units: (NumericUpDown)

o Minimum: 0

o Maximum: 3

Tuition Fee per unit: Php 100.00

Lab. Fee per unit: Php 1,000.00

Problems:

For Calculate button:

o Will compute for Tuition Fee, Lab. Fee , Misc. Fee &

Total Fee:Note:

- If no selected Course and/or Year Level will display a message/prompt with No course selected

and/or No year level selected- Label values will retain to empty.

For Clear button:

o Will clear Course ComboBox

o Will deselect Year Level ListBox

o Will clear all Labels

o Will reset three(3) and zero(0) for NumericUpDown controls

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Miscellaneous Fees:

Year Level BSIT/BSCS BSA/BSN

Freshmen 1,000.00 2,000.00

Sophomore 750.00 1,500.00

Junior 500.00 1,000.00

Senior 250.00 500.00


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For Close button:

o Will close the program/application

Note: Format all values using any formatting numbers functions

MIDTERM PERIOD

GRADED EXERCISE #6FORM #1: Employee Payroll Computation

Logical Problems & Formulas:

Position Code Rate/Day Civil Status Basic Pay SSS Rate TAX Rate

A 500.00 Single 10,000 & above 7% 10%

B 400.00 Married 5,000 9,999 5% 5%C 300.00 Widowed 1,000 4,999 3% 5%

below 1,000 1%

Basic Pay = No. of Days Worked * Rate/Day

SSS Contribution = Basic Pay * SSS RateWithholding Tax = Basic Pay * Tax Rate

Net Pay = Basic Pay (SSS Contribution + Withholding Tax)

Upon choosing the desired Employee Number, it will automatically display the Employee Name.

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EMPLOYEE PAYROLL COMPUTATION


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For Compute Button, will compute the Basic Pay, SSS Contribution, Withholding Tax and Net

Pay

For Clear Button, will clear all entries

For Quit Button, will close the program/application.

GRADED EXERCISE #7

DateTimePicker with DateDiff Function

FORM #4: Hotel Billing System

Room

Capacity

Room Type Rate/day Type of

Payment

Additional

Charge

Regular 100.00 Cash No addl charge

Single De Luxe 300.00 Check + 5%

Suite 500.00 Credit Card + 10%

Regular 200.00

Double De Luxe 500.00

Suite 800.00Regular 500.00

Family De Luxe 750.00

Suite 1,000.00

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Problem:

Compute for Total Amount based on the date of check-in and check-out.

Select room capacity, room type and payment type before clicking Compute button otherwise, will

prompt you with No selected room capacity or No selected room type or No selected type of

payment


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GRADED EXERCISE #8

FORM #4: Hotel Billing System

FORM #1: Presidential Elections 2010

Voters ID Entry

For Validate button:

o If the Voters ID is correct will display a message box

as shown in the figure.

o Click OK button to launch Form 2 (see form 2 below).

FORM #2: Presidential Candidates

Cast your vote by clicking the ComboBox

and choose your desired candidate.

For Vote button:

o Click Vote button to confirm

your vote

o Then, the voted candidate will

automatically display his votes as

shown in the Actual Tally

For Result button:

o Click Result button to display the

result. (see sample output below

o o

For Close button:

o Click Close button to go back to the 1st form (Form #1)

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GRADED EXERCISE #9

Array and MainMenu Control

FORM 1: Password Entry

Note: No limit for password, if incorrect password will prompt the user to RETRY & CANCEL and user name should

have an entered value otherwise will prompt the user to enter value for user name.

If the password is correct will display the 2nd form (MENU)

FORM 2: (with File & Help Menu)

Main Menu: File Help

Sub Menus: Transaction AboutExit

,

will display the Transaction Form (Form 3)

For TRANSACTION Form:

Initially; BUTTONS: New, Clear, Close & Compute are all in disabled layout (as shown below)

will close the program

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Richard Gwapo

* * * * *


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FORM 3: Transaction

Appliances/Items Unit Price Appliances/Items Unit Price

Electric Fan 500.00 Television 5,000.00

Refrigerator 9,000.00 Air Conditioner 10,000.00

Washing Machine 4,000.00 Rice Cooker 600.00

Oven Toaster 550.00 Electric Stove 1,000.00

Flat Iron 350.00 Electric Pot 800.00

VCD Player 1,200.00 Karaoke 2,500.00

Mini Component 3,500.00 Microwave Oven 3,000.00

Logical Problems:

Double click Appliance item (List Box) then the selected item will be displayed to the Appliance Sold (List

Box) and UnitPrice (List Box) (see example below)Note: Be sure that you have enter value in the Quantity

If quantity is less than or equal to zero (0) it will prompt the user to input quantity.

Amount Text Box will be based on the Appliance Unit Price * Quantity

Example: Appliance Sold: Electric Fan, Unit Price: 500, Quantity: 2 (see example below)

Sub-total Text Box will be based on the total item sold.

Example: Appliance Sold: Air Conditioner 10,000.00 X 1 and Electric Fan 500.00 X 2

(see example below);

Choose Type of Payment: Cash or Charge then, will enable Compute button

If Compute button is clicked; for CASH

Total Amount = Sub-total less 5% discount

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User Name: Railee Darrel


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Output:

For Cash Payment

Then, will enable buttons; New, Clear & Close

Enter value for Amount Tendered:

Amount Tendered should be exact amount or should be greater than Total Amount otherwise, will prompt the

user to enter valid amount.

Click Change button to display the amount change.

For New button, will clear all entries

For Clear button, will clear Quantity, Appliance Sold, Unit Price and Type of Payment only.

If Compute button is clicked; for CHARGE

Total Amount = Sub-total + 5% additional charge

For Close button, will close the transaction window only.

Output:For Charge Payment.

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User Name: Richard Gwapo




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Then, will hide all controls under Total Amount and displays 5% Additional to all Charge Payments (seeexample above)

FORM 4:

If Help then About is clicked

will display a Form About the program

If button OK is clicked

will close the form window.

If button AUTHOR is clicked

will display programmers name

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ApplianceStore


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GRADED EXERCISE #10

ListView Control and Array

Sample Output:

New button:

o will clear all the textboxes and student number

will be automatically generated (use 3 digits

format)

Save button:

o will only save data if with complete

information. (make a necessary prompt for

incomplete entry)

View Record button:

o will display record on the listview

Remove Record button:

o will remove from the listview of the selected

record.

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FINAL TERM PERIOD

GRADED EXERCISE #11

Instructions: Design your own interface for login (password entry), main form, and searching form (see sample

interface below)

Design your database and table for user and Enrolment Monitoring System (EMS)

Form 1: Login (password entry) Login Table:

Main Form: Enrolment Monitoring System (EMS)

EMS Table:

Note:

Initially, only Add and

Search button are enabled

(1st five buttons only) and

set TextBox &

ComboBox control to

Enabled = False

Upon clicking the Addbutton will enabled Save

button only. Student

number will be

automatically generated

with the required format

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Field Name Field Type

UserID Text

UserPassword TextUserName Text

Note:

use 08- for UserID

Example: JRU-001

Assign Password & UserName for each UserID

Field Name Field Type

studNum Text

studName Text

Course Text

Year Text

Section Text


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The new record

will not be saved if

incomplete entries

Upon clicking

Save button will

enabled again the New& Search button

If Search button is

clicked will display an

InputBox and prompt

the user to enter

Student Number

If found will

display the

information of theinputted Student

Number & will

disabled New &

Save button and will

enabled Edit &

Delete button

If not found will

prompt the user

Student Number

not exists

If Edit button is clicked,TextBox & ComboBoxand only Save button will

be enabled

Note: Set TextBox and

ComboBox to Enabled

= True Clicked Save

button to update the

record

If Delete button is clicked

will prompt the user to

confirm the deletion of

record Upon clicking the

Advanced Search button

will display new form

(Advanced Search form)

Upon clicking Exit button

will close the program.

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GRADED EXERCISE #12

Instructions: Design user interface for Advanced Search Form

Add the following items for the three (3) frames

Sort by: (items)

Search only by and

Search by block

ComboBox items:

Course

o ACT

o BSIT

o BSCS

Yearo 1 to 4 only

Section

o A to C only

Event Procedure for:

Sort by GroupBox

Name

Course

Year

Documents

MELJUN CORTES VB.NET Midterm Exercise 2