Murach, Chapter 5

Common Control Structures Selection: The IF statement Case: The Select Case statement Iteration: Loops 9/28/20082

Coding Boolean Expressions Relational operators – Compare two operands Logical operators 9/28/20083

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 4

Modified Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 5

Comparing different numeric value types VB casts less precise type to the more precise type Example: decVar < intVar The integer value is cast to a decimal value. 9/28/20086

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 7

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 8

Operation Order of Precedence Arithmetic operations Relational operations NOT AND OR 9/28/20089

Conditional Statements If Select Case

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 11

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 12

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 13

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 14

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 15

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 16

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 17

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 18

Loops For Do 9/30/200819

9/30/2008© 2008, Mike Murach & Associates, Inc. Slide 20

9/30/2008© 2008, Mike Murach & Associates, Inc. Slide 21

Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 22

Do NOT use EXIT or CONTINUE Structure the logic so that their use is unnecessary. If you use either statement in a programming assignment and I can write the code without using them, you will receive a zero for your grade.

Test Loops 9/30/200824