posted 12 years ago
Hi all,
we have developed one portal in which we need to view the data from one page to another page but we are getting error like java.lang.NullPointerException
we are using below code
if ( test1 == 'first') { document.reportForm.mode.value='First'; }
if ( test1 == 'previous') { document.reportForm.mode.value='Previous'; }
if ( test1 == 'next'){ document.reportForm.mode.value='Next';}
if ( test1 == 'last') { document.reportForm.mode.value='Last'; }
<TR>
<TD ALIGN=CENTER>
<INPUT TYPE=BUTTON value="First" onClick="check('first','<%=circle%>','<%=month1%>','<%=year1%>')";>
<INPUT TYPE=BUTTON value="Previous" onClick="check('previous','<%=circle%>','<%=month1%>','<%=year1%>')";>
<INPUT TYPE=BUTTON value="Next" onClick="check('next','<%=circle%>','<%=month1%>','<%=year1%>')";>
<INPUT TYPE=BUTTON value="Last" onClick="check('last','<%=circle%>','<%=month1%>','<%=year1%>')";>
<input type=hidden name="mode" >
<input type=hidden name="test">
</TD>
</TR>
<%--<a href="reports.jsp"><strong>Go To Reports?</strong></a>--%><br> <br>
try
{
rs.last();
noofRows=rs.getRow();
int total_rows=rs.getRow();
session.setAttribute("total_rows",total_rows);
rs.beforeFirst();
}
catch(Exception e) {out.println(e);}
int remRows=noofRows%20;
int LastPage=(noofRows-remRows)/20;
if (remRows>0)
{
LastPage++;
}
try
{
if (request.getParameter("mode").equals("Previous"))
{pageNo--;}
if (request.getParameter("mode").equals("Next"))
{
pageNo++;
if (pageNo>LastPage)
{
pageNo=LastPage;
}
}
if (request.getParameter("mode").equals("Last")) { pageNo=LastPage;}
if (request.getParameter("mode").equals("First")) { pageNo=1;}
} catch(Exception e) { pageNo++;}
if (pageNo<=0) {pageNo=1;}
pageNo=pageNo;
toRows=pageNo*20;
out.println("Rows" +noofRows);
if (toRows > noofRows ) { gm= noofRows; } else { gm=pageNo*20; }
fromRows=toRows-20;
%>
<input type="hidden" name="mode1" />
<input type="hidden" name="pageNo" value="<%=pageNo%>"/>
<input type="hidden" name="test1"/>