dvholidays = New DataView(dtholidays)
dvholidays.RowFilter="Date BETWEEN '" & CDate("01/" & e.Day.Date.Month & "/" & e.Day.Date.Year) & "' AND '" & CDate("28/" & e.Day.Date.Month & "/" & e.Day.Date.Year) & "'"
dvholidays = New DataView(dtholidays)
dvholidays.RowFilter="Date BETWEEN '" & DateTime.Parse("01/" & e.Day.Date.Month & "/" & e.Day.Date.Year) & "' AND '" & DateTime.Parse("28/" & e.Day.Date.Month & "/" & e.Day.Date.Year) & "'"