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Murach, Chapter 5
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Common Control Structures Selection: The IF statement Case: The Select Case statement Iteration: Loops 9/28/20082
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Coding Boolean Expressions Relational operators – Compare two operands Logical operators 9/28/20083
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 4
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Modified Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 5
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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
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 7
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 8
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Operation Order of Precedence Arithmetic operations Relational operations NOT AND OR 9/28/20089
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Conditional Statements If Select Case
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 11
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 12
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 13
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 14
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 15
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 16
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 17
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 18
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Loops For Do 9/30/200819
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9/30/2008© 2008, Mike Murach & Associates, Inc. Slide 20
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9/30/2008© 2008, Mike Murach & Associates, Inc. Slide 21
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Murach’s Visual Basic 2008, C5© 2008, Mike Murach & Associates, Inc. Slide 22
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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.
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Test Loops 9/30/200824
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