asp.net - PageIndexChanging in gridview wont fire -


i downloaded free template internet , using in project of asp.net. have gridview , using paging because of template pageindexchanging event wont fire. there alternate because data in gridview large , gridview getting long , out of template. please assist. if can please let me know if event can fire on button click. urgent please.... thnx in advance..

my .cs code is: 

protected void gridview1_pageindexchanging(object sender, gridviewpageeventargs e) {     gridview1.pageindex = e.newpageindex;     emp(); }

try this.......

protected void gridview1_pageindexchanging(object sender, gridviewpageeventargs e) {     gridview1.pageindex= e.newpageindex;     emp(); }

set property in aspx file........

    allowpaging = true  pageindexchanged = gridview1_pageindexchanged

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