Nvelocity: determines the details of the last page after the previous page of the home page.

$ Data. totalcount/$ data. pagenum page in total
# If ($ data. pagenum = 1)
<SPAN class = "disabled"> & nbsp; & lt; & nbsp; </span>
<SPAN class = "disabled"> & nbsp; & lt; & nbsp; </span>
# Else
<A href = "stulist. ashx? Pagenum = 1 "> & nbsp; & lt; & nbsp; </a>
# End

# If ($ data. pagenum> 1)
<A href = "stulist. ashx? Pagenum = $ data. FrontPage "> & nbsp; & lt; & nbsp; </a>
# End

# Foreach ($ page in $ data. pagedata)
# If ($ page. currentnum = $ data. pagenum)
<SPAN class = "current"> $ page. currentnum </span>
# Else
<A href = "$ page. href"> $ page. currentnum </a>
# End
# End

# If ($ data. pagenum <$ data. pagecount)
# Set ($ nextpage = $ data. pagenum + 1)
<A href = "stulist. ashx? Pagenum = $ nextpage "> & nbsp; & gt; & nbsp; </a>
# End

# If ($ data. pagenum = $ data. pagecount)
<SPAN class = "disabled"> & nbsp; & gt; & nbsp; </span>
<SPAN class = "disabled"> & nbsp; & gt; & nbsp; </span>
# Else
<A href = "stulist. ashx? Pagenum = $ data. pagecount "> & nbsp; & gt; & nbsp; </a>
# End

Some background ashx code

Int pagenum = 1;
If (context. request ["pagenum"]! = NULL)
{
Pagenum = convert. toint32 (context. request ["pagenum"]);
}
Int totalcount = (INT) sqlhelper. executescalar ("select count (*) from t_stureq where isdel = '0 '");
Int pagecount = (INT) math. ceiling( totalcount/5.0 );
Datatable dt = sqlhelper. executedatatable (@ "select * from (select S. requireid, S. time, C. cname, S. requireaddress, S. requiresex, S. requireprice, S. semail, S. requireinfo, row_number () over (order by S. requireid DESC) as num from t_stureq s left join t_course C on S. cid = C. CID where S. isdel = '0') as s
Where S. Num between @ start and @ end ",
New sqlparameter ("@ start", (pagenum-1) * 5 + 1 ),
New sqlparameter ("@ end", pagenum * 5 ));
Object [] pagedata = new object [pagecount];
For (INT I = 0; I <pagecount; I ++)
{
Pagedata [I] = new {href = "stulist. ashx? Pagenum = "+ (I + 1), currentnum = (I + 1 )};
}
Int FrontPage = pagenum-1;
VaR DATA = new {info = "", person = DT. Rows, totalcount = totalcount, pagenum = pagenum, pagedata = pagedata, pagecount = pagecount, FrontPage = FrontPage };
String html = nvhelper. renderhtml ("Front/stulist.html", data );