Vb.Net Auto Generated Random Number with 6 digit

In this post you can learn how genrated 6 digit number in this format FE92D72 using vb.net

Source Code

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim rand As New Random()
        Dim alphabet As String = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

        ' 1. Pehle do random letters generate karein
        Dim char1 As Char = alphabet(rand.Next(0, alphabet.Length))
        Dim char2 As Char = alphabet(rand.Next(0, alphabet.Length))

        ' 2. Pehle do random numbers (00-99)
        Dim num1 As Integer = rand.Next(0, 100)

        ' 3. Darmiyan wala random letter
        Dim char3 As Char = alphabet(rand.Next(0, alphabet.Length))

        ' 4. Akhri do random numbers (00-99)
        Dim num2 As Integer = rand.Next(0, 100)

        ' Sab ko join karke TextBox mein dikhayein
        ' Format misal: AB12C34
        TextBox1.Text = String.Format("{0}{1}{2:D2}{3}{4:D2}", char1, char2, num1, char3, num2)
    End Sub