2.3.1.txt

PowerBuilder数据库开发自学教程 课本源代码 最初由于作者的倏忽

If  PercentCorrect >= 90 Then
Grade="A"
ElseIf  PercentCorrect >= 80 AND PercentCorrect < 90  Then
Grade="B"
ElseIf  PercentCorrect >= 70 AND PercentCorrect < 80  Then
Grade="C"
ElseIf  PercentCorrect >= 60 AND PercentCorrect < 70  Then
Grade="D"
Else
Grade="E"
End If


Choose Case 	num
Case 6
num = 7
Case IS> 36
num = 36
Case Else
num = 56
End Choose