Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Dim hight As Integer
Dim weight As Integer
hight = TextBox1.Text //TextBox取值功能
weight = TextBox2.Text
Dim bmi As Double
bmi = weight / ((hight * hight) / 10000)
Label3.Text = "BMI值為:" & bmi // &功能為串接不同屬性之連接子
End Sub
Public Class Form1
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Dim score As Integer = TextBox1.Text
If score > 100 Or score < 0 Then
MessageBox.Show("輸入錯誤")
ElseIf score >= 80 Then
If score >= 90 Then
MessageBox.Show("頂尖")
Else
MessageBox.Show("優秀")
End If
ElseIf score >= 60 Then
If score >= 70 Then
MessageBox.Show("普通")
Else
MessageBox.Show("低空掠過")
End If
Else
If score >= 50 Then
MessageBox.Show("補考")
Else
MessageBox.Show("明年再來")
End If
End If
End Sub
End Class
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