1. CS 2340: Programming in VB Instructor: Dr. Qi Yang Office: 213 Ullrich
Phone:
YangQ

2. Web Sites http://people.uwplatt.edu/~yangq/cs234/

3. Three VB.NET Courses CS 2340: Programming in VB Prerequisite: CS1430
CS 3340: Windows Programming
Prerequisite: CS2340 & CS2430 or
CS2630
CS 3870: Web Protocols, Technologies and Applications
Prerequisite: CS3340
Co-requisite: CS3630 (Database)

4. CS 2340: Course Description
An introduction to event driven, object oriented programming techniques in VB.NET.
Students will design, code, and debug Graphic User Interface (GUI) programs and apply the techniques to business applications.

5. CS 2340: Course Outcomes
Upon completion of this course, students should be able to
Design and develop Graphical User Interfaces;
Understand and code Event-Driven procedures;
Program Visual Basic controls proficiently;
Access database from VB.NET programs; and
Design, develop and test VB.NET programs.

6. CS 2340: Textbook
Beginning VB.NET, 2nd Edition, Wrox
Not .NET 2015

7. Academic Misconduct

8. CS 2340: Course Work 8 Labs 160 (10 – 30 each)
6 Tests (20 – 40 each)
1 Project
Total

9. New Grading System No Curve
Course Grade Points Percentage Grade Points
A %
A %
B %
B %
B %
C %
C %
C %
D %
D %
F below
No Curve

10. Journal of Information Systems Education
Hands-on Tests
In all three VB courses
Paper published in
Journal of Information Systems Education
Volume 16, Number 2, Summer 2005

11. Different Backgrounds
CS 2340: Programming in VB
Different Backgrounds
If you have a very good background
You should get an A
You may not get an A
Else If you have a good background
You do not want to get a D
Else (Don’t have any background in VB)
You can get an A!
Come to class every day and do your work!

12. CS 2340: Programming in VB Every one could get an A!
That has never happened!
Every one should pass CS 2340!
That has never happened either!
Just Do It!

13. Due 9 PM, Monday, September 12, 2011
Lab 1
10 points
Due 9 PM, Monday, September 12, 2011
No Grace Time!

14. MS Visual Studio Every PC in Ullrich Free Copy on your PC
Will receive about it
Follow instructions to get your copy
Start VS 2015
Sign in: up to you (not now, maybe later)
Development Settings: Visual Basic

15. Create a VB.NET Solution
Start MS Visual Studio (Environment: Basic)
New Project…
Visual Basic
Windows
Windows Form Application
Name: UserName_Lab1
YangQ_Lab1
Create directory for solution: Uncheck
Location: Remember where is your program!

16. Save Project and Solution
Make sure you know where is your program!
Save all
Create Solution folder: Uncheck
Browse location
Check program location

17. MS Visual Studio IDE (Integrated Development Environment)
Title Bar
Menu Bar
Tool Bars
Solution Explorer
Properties Window
ToolBox
Auto Hide
Docked, Floating and Tabbed Document
Right click the title bar of the window or
Drag the window to the position you want

18. Menu Bar / Tools / Options
MS Visual Studio IDE
IDE Settings
Menu Bar / Tools / Options
Environment
Document
Detect when file is changed outside the environment: Uncheck
Projects and Solutions
Always show solution: Check
Save new projects when created: Check
Text Editor
Basic
Tabs: Tab size : 3
Indent size: Same as Tab size
Windows Forms Designer …

19. MS Visual Studio IDE
View Help
Visual Studio 2015
Search
Google

20. Properties Window Right click the form Properties Events Alphabetical
Categorized

21. Form Properties Name: frmLab1 Text Size FormBorderStyle StartPosition
WindowState
. . .

22. ToolBox Most controls available on ToolBox Tabs on ToolBox
All Windows Forms
Common Controls
Putting a control on form
Double Click
Drag and Drop

23. Windows Controls Form frmLab1 TextBox Get Input Display Output txtName
Label
Display Information / Output
lblName
Button
User action
btnHello
. . .

24. Click Event The button’s Click Event
Users click a button when they want to do something.
Event Procedure
VB function that will be called when the event happens
We will write the event procedure
Click Event procedure template
Double click the button

25. Declaring Variables Dim theName As String theName = txtName.Text
‘ This is comment
‘ To remove spaces from both ends
theName = txtName.Text.Trim()
We should get variable values from controls at the beginning, then use the variables, not the controls, in the code.

26. Class MessageBox Method Show MessageBox.Show(“Please Enter Your Name”)
Caption (Title), MessageBoxButtons and MessageBoxIcon
MessageBox.Show("Enter Your Name Please!", _
"Lab 1", MessageBoxButtons.OK, _
MessageBoxIcon.Exclamation)
Line continuation char: “ _”
VB has NO statement terminator

27. VB.NET is Getting Smarter!
MessageBox.Show("Enter Your Name Please!",
"Lab 1", MessageBoxButtons.OK,
MessageBoxIcon.Exclamation)

28. String Operations ‘ Operators “&” and “+” append strings
MessageBox.Show("Hello, " & theName + "!”)
MessageBox.Show("Hello, " & theName + "!", "Lab 1”,
MessageBoxButtons.OK,
MessageBoxIcon.Information)

29. If Statement If theName = "" Then
MessageBox.Show("Enter Your Name Please!", "Lab 1",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation)
Else
MessageBox.Show("Hello, " & theName + "!", "Lab 1",
MessageBoxIcon.Information)
End If

30. The Click Event Procedure
Private Sub btnHello_Click(...) Handles btnHello.Click
Dim theName As String
theName = txtName.Text.Trim()
If theName = "" Then
MessageBox.Show("Enter Your Name Please!", "Lab 1",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation)
Else
MessageBox.Show("Hello, " & theName + "!", "Lab 1",
MessageBoxIcon.Information)
End If
End Sub

31. Grader Down load the grader program with the input file
Put both files in the same folder as your exe file (normally bin/debug)
Select your exe file and the downloaded input file
Run the grader program and click
Single EXE File

32. Grader All controls, including the forms, MUST have the correct names
Otherwise, your receive ZERO points!