Created
February 3, 2012 19:06
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Examen ejercicio 1
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Public Class Form1 | |
Dim tarifaA As Integer = 400 | |
Dim tarifaB As Integer = 430 | |
Dim tarifaC As Integer = 450 | |
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load | |
tarifa.Items.Add("Tarifa A") | |
tarifa.Items.Add("Tarifa B") | |
tarifa.Items.Add("Tarifa C") | |
tarifa.SelectedIndex = 2 | |
End Sub | |
Private Sub limpiar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles limpiar.Click | |
cantidad.Text = "" | |
nombre.Text = "" | |
End Sub | |
Private Sub comprar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles comprar.Click | |
If Val(cantidad.Text) > 0 And nombre.Text <> "" Then | |
Dim subTotal As Double = Val(cantidad.Text) | |
totalNombre.Text = nombre.Text | |
If tarifa.SelectedIndex = 0 Then | |
subTotal = subTotal * tarifaA | |
totalSubtotal.Text = subTotal | |
ElseIf tarifa.SelectedIndex = 1 Then | |
subTotal = subTotal * tarifaB | |
totalSubtotal.Text = subTotal | |
Else | |
subTotal = subTotal * tarifaC | |
totalSubtotal.Text = subTotal | |
End If | |
Dim impuesto As Double = subTotal * 0.12 | |
totalImpuesto.Text = impuesto | |
Dim total As Double = subTotal + impuesto | |
totalTotal.Text = total | |
Else | |
MessageBox.Show("Por favor rellene todos los espacios") | |
If cantidad.Text = "" Then | |
cantidad.Focus() | |
Else | |
nombre.Focus() | |
End If | |
End If | |
End Sub | |
Private Sub guardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles guardar.Click | |
If totalNombre.Text = "" Or totalImpuesto.Text = "" Or totalSubtotal.Text = "" Or totalTotal.Text = "" Then | |
MessageBox.Show("No se pueden guardar valores vacios") | |
ElseIf listaClientes.Items.Count > 9 Then | |
MessageBox.Show("Has alcanzado el limite de clientes por guardar") | |
Else | |
listaClientes.Items.Add(totalNombre.Text) | |
guardadoCounter.Text = listaClientes.Items.Count & "/10" | |
End If | |
End Sub | |
End Class |
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