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VB.NET extension method in a view using ASP.NET MVC

Over the weekend, I ran into a strange problem when I was working on the asp.net mvc project on vb.net. I created an extension method to convert an integer to the corresponding month with which it is associated. I tested the extension method in a console application, so I know that it works.

In my asp.net mvc project, I have a view and you want to call the extension method, but I get an error that the extension method is not recognized. I imported the namespace in which it was contained, and still cannot shake the error. Any idea what is going on? I don't have my code, but I can post it tonight if that helps. Thanks!

Extension Method:

Imports System.Runtime.CompilerServices

Module SiteExtensions
    <Extension()> _
    Public Function ConvertToMonth(ByVal monthNumber As Integer) As String
        Dim month As String = String.Empty
        Select Case monthNumber
            Case 1
                month = "January"
            Case 2
                month = "February"
            Case 3
                month = "March"
            Case 4
                month = "April"
            Case 5
                month = "May"
            Case 6
                month = "June"
            Case 7
                month = "July"
            Case 8
                month = "August"
            Case 9
                month = "September"
            Case 10
                month = "October"
            Case 11
                month = "November"
            Case 12
                month = "December"
        End Select
        Return month
    End Function
End Module

View:

<%  For Each m As Integer In DirectCast(ViewData("Months"), IEnumerable)%>
<a href="#"><%=m.ConvertToMonth()%><br /></a>
<%Next%>

: "ConvertToMonth Integer"

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Public Module SiteExtensions

End Module
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