Converting VB code to C#

Question

I want to convert vb code to c# Here is the code.

Public Class clsNum2Word

    Public Function Num2WordConverter(ByVal Number As String)

        Dim Words As String
        Dim Length As Integer
        Dim Whole As Decimal
        Dim Fraction As Decimal

        Whole = Math.Floor(Convert.ToDecimal(Number))

        Fraction = (Convert.ToDecimal(Number) - Whole).ToString + "000"

        Length = Whole.ToString.Length

        If Fraction.ToString.Length >= 4 Then 'coz if the fraction part is just 0 it will generate error in substring
            Fraction = Convert.ToInt32(Fraction.ToString.Substring(2, 2))
        End If

        If Length = 9 Then  'For 10 to 99 Crores

            Words = MakeWord(Convert.ToInt32(Whole.ToString.Substring(0, 2))) + " Crore(s)"

            If Convert.ToInt32(Whole.ToString.Substring(2, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(2, 2))) + " Lac(s)"
            End If


            If Convert.ToInt32(Whole.ToString.Substring(4, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(4, 2))) + " Thousand"
            End If


            If Convert.ToInt32(Whole.ToString.Substring(6, 1)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(6, 1))) + " Hundred"
            End If

            If Convert.ToInt32(Whole.ToString.Substring(7, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(7, 2)))
            End If

            Words += " Rupee(s) And " + MakeWord(Fraction) + " Paise Only."



        ElseIf Length = 8 Then

            Words = MakeWord(Convert.ToInt32(Whole.ToString.Substring(0, 1))) + " Crore(s)"

            If Convert.ToInt32(Whole.ToString.Substring(1, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(1, 2))) + " Lac(s)"
            End If


            If Convert.ToInt32(Whole.ToString.Substring(3, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(3, 2))) + " Thousand"
            End If


            If Convert.ToInt32(Whole.ToString.Substring(5, 1)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(5, 1))) + " Hundred"
            End If

            If Convert.ToInt32(Whole.ToString.Substring(6, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(6, 2)))
            End If

            Words += " Rupee(s) And " + MakeWord(Fraction) + " Paise Only."


        ElseIf Length = 7 Then

            Words = MakeWord(Convert.ToInt32(Whole.ToString.Substring(0, 2))) + " Lac(s)"

            If Convert.ToInt32(Whole.ToString.Substring(2, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(2, 2))) + " Thousand"
            End If


            If Convert.ToInt32(Whole.ToString.Substring(4, 1)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(4, 1))) + " Hundred"
            End If

            If Convert.ToInt32(Whole.ToString.Substring(5, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(5, 2)))
            End If

            Words += " Rupee(s) And " + MakeWord(Fraction) + " Paise Only."

        ElseIf Length = 6 Then

            Words = MakeWord(Convert.ToInt32(Whole.ToString.Substring(0, 1))) + " lac(s)"

            If Convert.ToInt32(Whole.ToString.Substring(1, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(1, 2))) + " Thousand"
            End If


            If Convert.ToInt32(Whole.ToString.Substring(3, 1)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(3, 1))) + " Hundred"
            End If

            If Convert.ToInt32(Whole.ToString.Substring(4, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(4, 2)))
            End If

            Words += " Rupee(s) And " + MakeWord(Fraction) + " Paise Only."

        ElseIf Length = 5 Then

            Words = MakeWord(Convert.ToInt32(Whole.ToString.Substring(0, 2))) + " Thousand"

            If Convert.ToInt32(Whole.ToString.Substring(2, 1)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(2, 1))) + " Hundred"
            End If

            If Convert.ToInt32(Whole.ToString.Substring(3, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(3, 2)))
            End If

            Words += " Rupee(s) And " + MakeWord(Fraction) + " Paise Only."

        ElseIf Length = 4 Then

            Words = MakeWord(Convert.ToInt32(Whole.ToString.Substring(0, 1))) + " Thousand"

            If Convert.ToInt32(Whole.ToString.Substring(1, 1)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(1, 1))) + " Hundred"
            End If

            If Convert.ToInt32(Whole.ToString.Substring(2, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(2, 2)))
            End If

            Words += " Rupee(s) And " + MakeWord(Fraction) + " Paise Only."

        ElseIf Length = 3 Then

            Words = MakeWord(Convert.ToInt32(Whole.ToString.Substring(0, 1))) + " Hundred"

            If Convert.ToInt32(Whole.ToString.Substring(1, 2)) <> 0 Then
                Words += " " + MakeWord(Convert.ToInt32(Whole.ToString.Substring(1, 2)))
            End If

            Words += " Rupee(s) And " + MakeWord(Fraction) + " Paise Only."

        ElseIf Length <= 2 Then
            Words = MakeWord(Whole) + " Rupee(s) And " + MakeWord(Fraction) + " Paise Only."
        Else
            Words = "Range Exceeded."
        End If


        Return Words

    End Function



    Private Function MakeWord(ByVal Number As Integer)

        Select Case Number
            Case 0
                Return "Zero"
            Case 1
                Return "One"
            Case 2
                Return "Two"
            Case 3
                Return "Three"
            Case 4
                Return "Four"
            Case 5
                Return "Five"
            Case 6
                Return "Six"
            Case 7
                Return "Seven"
            Case 8
                Return "Eight"
            Case 9
                Return "Nine"
            Case 10
                Return "Ten"
            Case 11
                Return "Eleven"
            Case 12
                Return "Tweleve"
            Case 13
                Return "Thirteen"
            Case 14
                Return "Fourteen"
            Case 15
                Return "Fifteen"
            Case 16
                Return "Sixteen"
            Case 17
                Return "Seventeen"
            Case 18
                Return "Eighteen"
            Case 19
                Return "Nineteen"
            Case 20
                Return "Twenty"
            Case 21
                Return "Twenty One"
            Case 22
                Return "Twenty Two"
            Case 23
                Return "Twenty Three"
            Case 24
                Return "Twenty Four"
            Case 25
                Return "Twenty Five"
            Case 26
                Return "Twenty Six"
            Case 27
                Return "Twenty Seven"
            Case 28
                Return "Twenty Eight"
            Case 29
                Return "Twenty Nine"
            Case 30
                Return "Thirty"
            Case 31
                Return "Thirty One"
            Case 32
                Return "Thirty Two"
            Case 33
                Return "Thirty Three"
            Case 34
                Return "Thirty Four"
            Case 35
                Return "Thirty Five"
            Case 36
                Return "Thirty Six"
            Case 37
                Return "Thirty Seven"
            Case 38
                Return "Thirty Eight"
            Case 39
                Return "Thirty Nine"
            Case 40
                Return "Forty"
            Case 41
                Return "Forty One"
            Case 42
                Return "Forty Two"
            Case 43
                Return "Forty Three"
            Case 44
                Return "Forty Four"
            Case 45
                Return "Forty Five"
            Case 46
                Return "Forty Six"
            Case 47
                Return "Forty Seven"
            Case 48
                Return "Forty Eight"
            Case 49
                Return "Forty Nine"
            Case 50
                Return "Fifty"
            Case 51
                Return "Fifty One"
            Case 52
                Return "Fifty Two"
            Case 53
                Return "Fifty Three"
            Case 54
                Return "Fifty Four"
            Case 55
                Return "Fifty Five"
            Case 56
                Return "Fifty Six"
            Case 57
                Return "Fifty Seven"
            Case 58
                Return "Fifty Eight"
            Case 59
                Return "Fifty Nine"
            Case 60
                Return "Sixty"
            Case 61
                Return "Sixty One"
            Case 62
                Return "Sixty Two"
            Case 63
                Return "Sixty Three"
            Case 64
                Return "Sixty Four"
            Case 65
                Return "Sixty Five"
            Case 66
                Return "Sixty Six"
            Case 67
                Return "Sixty Seven"
            Case 68
                Return "Sixty Eight"
            Case 69
                Return "Sixty Nine"
            Case 70
                Return "Seventy"
            Case 71
                Return "Seventy One"
            Case 72
                Return "Seventy Two"
            Case 73
                Return "Seventy Three"
            Case 74
                Return "Seventy Four"
            Case 75
                Return "Seventy Five"
            Case 76
                Return "Seventy Six"
            Case 77
                Return "Seventy Seven"
            Case 78
                Return "Seventy Eight"
            Case 79
                Return "Seventy Nine"
            Case 80
                Return "Eighty"
            Case 81
                Return "Eighty One"
            Case 82
                Return "Eighty Two"
            Case 83
                Return "Eighty Three"
            Case 84
                Return "Eighty Four"
            Case 85
                Return "Eighty Five"
            Case 86
                Return "Eighty Six"
            Case 87
                Return "Eighty Seven"
            Case 88
                Return "Eighty Eight"
            Case 89
                Return "Eighty Nine"
            Case 90
                Return "Ninety"
            Case 91
                Return "Ninety One"
            Case 92
                Return "Ninety Two"
            Case 93
                Return "Ninety Three"
            Case 94
                Return "Ninety Four"
            Case 95
                Return "Ninety Five"
            Case 96
                Return "Ninety Six"
            Case 97
                Return "Ninety Seven"
            Case 98
                Return "Ninety Eight"
            Case 99
                Return "Ninety Nine"
            Case Else
                Return "Error"
        End Select
    End Function

End Class

 Please anyone help me to convert the code for c#