deleteSelectedRows In DhtmlxGrid2.6

Suite and Optimus Suite 5
#1

Now I want to use the method of deleteSelectedRows method in my code,But now it can not work successfully,the problem is when i use the deleteSelectedRows,only can work when I restart the tomcat server,It can work only one time after I restart the server,I don not why?please give me some advice,thanks!please see my code, like that:
test.xhtml:

已选人员信息登记 
</f:view>
#2

Unfortunately we cannot reproduce this issue locally. Please open ticket at support.dhtmlx.com and provide us complete demo where we can reproduce it.