主题：为什么 第一个内容有对应的值，第二个没有

为什么 第一个内容有对应的值，第二个没有  

Case "getBrands1.htm"

        Dim vals As String

        If e.PostValues.Count = 1 Then

            vals = "|" & DataTables("进货退货数据表").GetComboListString("备注二", "','+[备注一]+',' like '%," & e.PostValues("备注一") & ",%' ").Replace(",", "|")

        ElseIf e.PostValues.Count = 2 Then

            Dim Filter As String = "','+[备注一]+',' like '%," & e.PostValues("备注一") & ",%' And ','+[备注二]+',' like '%," & e.PostValues("备注二") & ",%'"

            vals = "|" & DataTables("进货退货数据表").GetComboListString("进货退货备注", Filter).Replace(",", "|")

        End If

        e.WriteString(vals)