VB.NET - How to get first and last date of previous month

        Dim currentMonth As Integer
        Dim yearMonthAgo As Integer ' if today is January then it will be previous year
        Dim previousMonth As Integer
        previousMonth = DatePart(DateInterval.Month, DateAdd(DateInterval.Month, -1, Today))
        yearMonthAgo = DatePart(DateInterval.Year, DateAdd(DateInterval.Month, -1, Today))
        currentMonth = DatePart(DateInterval.Month, DateAdd(DateInterval.Month, 0, Today))

        Response.Write("First day of previous month is: " & DateAdd(DateInterval.Day, 0, DateValue(previousMonth.ToString & "/1/" & yearMonthAgo.ToString())))
        Response.Write("<br />")
        Response.Write("Last day of previous month is: " & DateAdd(DateInterval.Day, -1, DateValue(currentMonth.ToString & "/1/" & yearMonthAgo.ToString())))

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