Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        Call a()

        Call b()

        Call c()

    End Sub

    Sub a()

        Dim x, g As String

        g = "Budidarma"

        For i = 1 To Len(g)

            x = Microsoft.VisualBasic.Left(g, i)

            TextBox1.Text = x & vbCrLf & TextBox1.Text

        Next

    End Sub

    Sub b()

        Dim x, g As String

        g = "Budidarma"

        For i = 1 To Len(g) Step +1

            x = Microsoft.VisualBasic.Mid(g, 1, i)

            TextBox2.Text = TextBox2.Text & x & vbCrLf

        Next

    End Sub

    Sub c()

        Dim x, g As String

        g = "12345"

        For i = 1 To Len(g) Step +1

            x = Microsoft.VisualBasic.Mid(g, 1, i)

            TextBox3.Text = TextBox3.Text & i & x & vbCrLf

        Next

    End Sub

    Sub d()

        For i = 1 To 5

            TextBox3.Text = TextBox3.Text & vbCrLf & i

            For s = 1 To i

                TextBox3.Text = TextBox3.Text & s

            Next

        Next

    End Sub

End Class