asp.net - Unable to access Hidden Field value in server side -


i have hidden field assign value in javascript so.

    var rowindex;     function getselectedrow(lnk) {         var row = lnk.parentnode.parentnode;         rowindex = row.rowindex - 1;         var ri = rowindex;         document.getelementbyid('<%= hiddenrowindex.clientid%>').value = ri;         }

in server side try field like

    dim dtsub new datatable     dtsub = ctype(viewstate("uploadtimeslotgroupdata"), datatable)     dim dtrow() datarow = dtsub.select(expression)      if dtrow(0) isnot nothing         dtsub.rows(val(hiddenrowindex.value.tostring)).delete()     end if

but getting 0 in server side. how fix this?

i have fixed issue. code:

        function getselectedrow(lnk) {         var row = lnk.parentnode.parentnode;         rowindex = row.rowindex - 1;         var ri = rowindex;         document.getelementbyid('<%= hiddenrowindex.clientid%>').value = ri;         }

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