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estou fazendo um programa frente caixa porém na hora de receber o calculo de valores dar errado o total e no dinheiro do cliente o calculo do troco sai inteiro já coloquei decimal e outras tags mais mesmo assim não sai certo o codico abaixo para exemplo Imports System.IO Imports System.Security.Cryptography Imports System.Text Public Class frmPayment #Region "Controlbox" Private Sub btnClose_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClose.Click Me.Close() LstOrder.Items.Clear() txtTotal.Clear() txtDinheiro.Text = "0,00" txtTroco.Text = "0,00" End Sub #End Region Public Shared Function GetUniqueKey(ByVal maxSize As Integer) As String Dim chars As Char() = New Char(91) {} chars = "123456789".ToCharArray() Dim data As Byte() = New Byte(0) {} Dim crypto As New RNGCryptoServiceProvider() crypto.GetNonZeroBytes(data) data = New Byte(maxSize - 1) {} crypto.GetNonZeroBytes(data) Dim result As New StringBuilder(maxSize) For Each b As Byte In data result.Append(chars(b Mod (chars.Length))) Next Return result.ToString() End Function Private Sub txtCash_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtDinheiro.TextChanged txtTroco.Text = Format(Val(txtDinheiro.Text) - Val(txtTotal.Text), "#,##0.00") End Sub Private Sub BtnConcluido_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnConcluido.Click If Val(txtTotal.Text) > Val(txtDinheiro.Text) Then MessageBox.Show("Informe um valor maior ou igual ao valor total.", "Valor inválido", MessageBoxButtons.OK, MessageBoxIcon.Error) Else Dim prodname As String = "" 'If frmMenu.prod.StartsWith(",") = True Then ' prodname = frmMenu.prod.Remove(0, 1) 'End If For i = 0 To Me.LstOrder.Items.Count - 1 prodname = prodname & "," & LstOrder.Items(i).ToString.Replace("& vbcrlf", "") Next i If prodname.StartsWith(",") = True Then prodname = prodname.Remove(0, 1) End If Dim trpath As String = Application.StartupPath & "\Record\Registro.txt" File.AppendAllText(trpath, ReceitaNo.Text & " | " & Format(Date.Now, "dd/MM/yyyy") & " | " & prodname.Trim & " | " & txtTotal.Text & " | " & Format(Val(txtDinheiro.Text), "#,###.00") & " | " & txtTroco.Text & vbCrLf) With frmReceipt For i = 0 To Me.LstOrder.Items.Count - 1 .LstOrder.Items.Add(LstOrder.Items(i)) Next i .ReceiptNo.Text = Me.ReceitaNo.Text .lblTotal.Text = Me.txtTotal.Text .lblCash.Text = Me.txtDinheiro.Text .lblChange.Text = Me.txtTroco.Text .ShowDialog() End With prodname = "" btnClose_Click(sender, e) frmMenu.BtnClear_Click(sender, e) frmMenu.dtgRecord.Rows.Clear() frmMenu.Filter_Record() End If End Sub Private Sub frmPayment_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load ReceitaNo.Text = "BURGER-" & GetUniqueKey(6) End Sub Private Sub LstOrder_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LstOrder.SelectedIndexChanged End Sub Private Sub Label2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label2.Click End Sub Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click End Sub Private Sub txtTotal_TextChanged(sender As Object, e As EventArgs) Handles txtTotal.TextChanged End Sub End Class