"javascript:void(window.open('http://myservername/Pages/ReportViewer.aspx?%2fRPTS% 2fTrend_Detail&rs:Command=Render
&root_cause="+Fields!Root_Cause.Value+"
&level_0="+Fields!Level_0_Results.Value+"
&level_1="+Fields!Level_1_Results.Value+"
&level_2="+Fields!Level_2_Results.Value+"
&year_month_nbr="+Fields!year_month_nbr.Value+"
&IssueSource="+Join(Parameters!IssueSource.Value,"&IssueSource=")"+
'))"
如果我离开&IssueSource="+Join(Parameters!IssueSource. value,"&IssueSource=")" +行出来,我得到一条消息:报告参数"IssueSource"的用户定义值。
你的引号在末尾被去掉了。试着
&IssueSource="+Join(Parameters!IssueSource.Value,"&IssueSource=")+
"'))"