[ameerah]

جرب التالي

كود :

For i = 1 To Val(Me.TextBox2.Text)
    Do
        Dim n As Integer = New Random().Next(10000, 99999)
        Dim t As String = Replace(TextBox1.Text, "*****", n)
        If Not TextBox3.Text.Contains(t) Then
            TextBox3.AppendText(t & vbNewLine)
            Exit Do
        End If
    Loop
Next