javascript - how to send database value from jsp to jsp without using submitting form -

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i trying send database value jsp jsp not working

this code in js file

 }     xmlhttp.open("get","st_proedit.jsp?pro_id="+ str2 , true);     xmlhttp.send(); } }

this code in sending jsp

onclick="showhint1('st_proedit.jsp', <%=rs.getstring("pro_id")%>)"/>

this code in receiving jsp 

<%request.getparameter("pro_id");%>

can me please


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