Examen de las tablas demultiplicar Andrea

24-6-2014

Class Form1

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

        Dim a, b, x, y, c, d As Integer

        Dim w As String

        a = Val(InputBox("indique en la tabla de multiplicar desea evaluarse", "tabla", 0))

        If a <> 0 Then

            For x = 1 To 10

                b = a * x

                w = "deme el valor de la operacion de " & a & " por" & x

                y = Val(InputBox(w, "examen", 0))

                If y <> 0 Then

                    If y = b Then

                        MsgBox("usted a acertado", MsgBoxStyle.Information + MsgBoxStyle.OkOnly, "bien hecho")

                        c = c + 1

                    Else

                        MsgBox("usted se ha equivocado", MsgBoxStyle.OkOnly + MsgBoxStyle.OkOnly + MsgBoxStyle.Critical, "mejor para la proxima")

                        d = d + 1

                    End If

                    TextBox1.Text = TextBox1.Text & a & "x" & x & "=" & b & vbCrLf

                Else

                    MsgBox("usted cancelo el proceso", MsgBoxStyle.OkOnly + MsgBoxStyle.Information, "cancelar")

                    End

                End If

            Next

            Label2.Text = "el numero total de aciertos es " & c

            Label3.Text = "el numero total de fallas es " & d

        Else

            MsgBox("usted cancelo el proceso", MsgBoxStyle.OkOnly + MsgBoxStyle.Information, "cancelar")

            End

        End If

    End Sub

End Class