没有可见的变量

Question

我上课：

IMIS.MASTER.vb

Public Class IMIS
    Protected Friend imisgen As New IMIS_Gen

IMIS.MASTER

 <script type="text/javascript">
       var searchCHF = '<%#imisgen.getMessage("L_SEARCHCHFNUMBER", True)%>';
</script>

我在var searchCHF = '<%#imisgen.getMessage("L_SEARCHCHFNUMBER", True)%>';中出错：

错误：

BC30451 'imisgen' is not declared. It may be inaccessible due to its protection level. 2_IMIS.Master

怎么了？