1. CS 2340: Programming in VB Instructor: Dr. Qi Yang Office: 213 Ullrich Phone: 342-1418 Email: YangQ 1

2. Web Sites http://www.uwplatt.edu/csse/courses/CS234/ http://www.uwplatt.edu/~yangq http://www.uwplatt.edu/~yangq/ 2

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) 3

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. 4

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 Visual Basic programs. 5

6. CS 2340: Textbook Beginning VB.NET, 2 nd Edition, Wrox Not.NET 2010 6

7. CS 2340: Course Work 8 Labs 160 (10 – 30 each) 6 Tests 200 (20 – 40 each) 1 Project 40 Total 400 7

8. New Grading System Course Grade Points Percentage Grade Points A 368 - 400 92% 4.0 A- 356 - 367 89% 3.7 B+ 344 - 355 86% 3.3 B 328 - 343 82% 3.0 B- 316 - 327 79% 2.7 C+ 304 - 315 76% 2.3 C 288 - 303 72% 2.0 C- 276 - 287 69% 1.7 D+ 260 - 275 65% 1.3 D 240 - 259 60% 1.0 F below 240 0.0 No Curve 8

9. Hands-on Tests In all three VB courses Paper published in Journal of Information Systems Education Volume 16, Number 2, Summer 2005 9

10. 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! 10

11. 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! 11

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

13. MS Visual Studio 2010 Every PC in Ullrich Free Copy on your PC Will receive email about it Follow instructions to get your copy 13

14. Create a VB.NET Solution Start MS Visual Studio 2010 New Project… Visual Basic Windows Windows Form Application Name: YangQ_Lab1 Create directory for solution: Uncheck 14

15. Save Project and Solution Make sure you know is your program! Save all Create Solution folder: Uncheck Browse location Could change project / solution names Check program location 15

16. 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 Drag to the arrow you want or Right click the title bar of the window 16

17. MS Visual Studio IDE IDE Settings Menu Bar / Tools / Options Show all settings 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 … 17

18. MS Visual Studio IDE Help Features How Do I Dynamic Help Contents Search Index 18

19. Form Properties Form - Window Text Size FormBorderStyle StartPosition WindowState... 19

20. Properties Window Properties Events Alphabetical Categorized 20

21. ToolBox Most controls available on ToolBox Tabs on ToolBox All Windows Forms Common Controls Putting a control on form Double Click Drag and Drop 21

22. Windows Controls TextBox Get Input Display Output Label Display Information / Output Button User action... 22

23. 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 23

24. 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. 24

25. 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 25

26. String Operations ‘ Operators “&” and “+” append strings MessageBox.Show("Hello, " & theName + "!”) MessageBox.Show("Hello, " & theName + "!", "Lab 1”, _ MessageBoxButtons.OK, _ MessageBoxIcon.Information) 26

27. If Statement If theName = "" Then MessageBox.Show("Enter Your Name Please!", "Lab 1", _ MessageBoxButtons.OK, _ MessageBoxIcon.Exclamation) Else MessageBox.Show("Hello, " & theName + "!", "Lab 1", _ MessageBoxButtons.OK, _ MessageBoxIcon.Information) End If 27

28. 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", _ MessageBoxButtons.OK, _ MessageBoxIcon.Information) End If End Sub 28