วันอาทิตย์ที่ 19 สิงหาคม พ.ศ. 2550

การใช้ Conditional

Public Class Conditional

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim x As Integer = 10

Dim y As Integer = 5

Dim z As Integer = 20

x = CInt(InputBox("ãÊè¤èÒ: "))

If x > 100 Then x = x + 1 : y = y + 2

z = z + 1

MessageBox.Show("¤ÓµÍº x ¤×Í " & x, "¤ÓµÍº")

MessageBox.Show("¤ÓµÍº y ¤×Í " & y, "¤ÓµÍº")

MessageBox.Show("¤ÓµÍº z ¤×Í " & z, "¤ÓµÍº")

If x > 10 Then

x = x + 10

y = y + 5

End If

z = z + 6

MessageBox.Show("¤ÓµÍº x ¤×Í " & x, "¤ÓµÍº")

MessageBox.Show("¤ÓµÍº y ¤×Í " & y, "¤ÓµÍº")

MessageBox.Show("¤ÓµÍº z ¤×Í " & z, "¤ÓµÍº")

If x > 100 Then

x = x + 1

Else

y = y + 1

End If

MessageBox.Show("¤ÓµÍº x ¤×Í " & x, "¤ÓµÍº")

MessageBox.Show("¤ÓµÍº y ¤×Í " & y, "¤ÓµÍº")

MessageBox.Show("¤ÓµÍº z ¤×Í " & z, "¤ÓµÍº")

If x = y Then

z = z + 1

ElseIf x > y Then

z = z - 1

Else

MessageBox.Show("¤èÒäÁè¶Ù¡µéͧ")

End If

MessageBox.Show("¤ÓµÍº x ¤×Í " & x, "¤ÓµÍº")

MessageBox.Show("¤ÓµÍº y ¤×Í " & y, "¤ÓµÍº")

MessageBox.Show("¤ÓµÍº z ¤×Í " & z, "¤ÓµÍº")

Dim MyNum As Integer = 10

Dim MyName As String

MyNum = CInt(InputBox("ãÊè¤èÒ: "))

Select Case MyNum

Case 5

MyName = "Five"

Case 15

MyName = "FiFteen"

Case 10

MyName = "Ten"

Case 20

MyName = "Twenty"

Case Else

MyName = "Zero"

End Select

MessageBox.Show("¤ÓµÍº MyName ¤×Í " & MyName, "¤ÓµÍº")

Dim Score As Short

Dim Grade As String

Score = CInt(InputBox("ãÊè¤Ðá¹¹Êͺ: "))

Select Case Score

Case Is >= 80

Grade = "A"

Case Is >= 70

Grade = "B"

Case Is >= 60

Grade = "C"

Case Is >= 50

Grade = "D"

Case Else

Grade = "F"

End Select

MessageBox.Show("¤ÓµÍº Grade ¤×Í " & Grade, "¤ÓµÍº")

Dim MyNum1 As Integer = 10

Dim MyName1 As String

MyNum1 = CInt(InputBox("ãÊè¤èÒ: "))

Select Case MyNum

Case 5, 10

MyName1 = "Five, Ten"

Case 15, 20

MyName1 = "FiFteen, Twenty"

Case Else

MyName1 = "Zero"

End Select

MessageBox.Show("¤ÓµÍº MyName1 ¤×Í " & MyName1, "¤ÓµÍº")

Dim Score1 As Short

Dim Grade1 As String

Score1 = CInt(InputBox("ãÊè¤Ðá¹¹Êͺ: "))

Select Case Score1

Case Is >= 80

Grade1 = "A"

Case 79 To 70

Grade1 = "B"

Case 69 To 60

Grade1 = "C"

Case 59 To 50

Grade1 = "D"

Case Else

Grade1 = "F"

End Select

MessageBox.Show("¤ÓµÍº Grade1 ¤×Í " & Grade1, "¤ÓµÍº")

End Sub

End Class

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