日期:2014-05-18  浏览次数:20575 次

谁来帮帮我
我现在编的JSP遇到一个问题请高手们再帮我看看,这个程序是将符合某些条件的员工信息显示出来并可以王成修改或删除的操作,但每次运行时总报错(错误信息:Error   500:   No   data   found   )错误应该在修改和删除功能的实现上,因为我把这两个功能去掉后就正确了,但是我现在还想保留这两个功能,却不知道怎样改,希望哪位高手能再帮我看看。源代码如下:
<!DOCTYPE   HTML   PUBLIC   "-//W3C//DTD   HTML   4.01   Transitional//EN ">
<HTML>
<HEAD>
<%@   page  
language= "java "
contentType= "text/html;   charset=GB18030 "
pageEncoding= "GB18030 "
import= "java.sql.* "
%>
<META   http-equiv= "Content-Type "   content= "text/html;   charset=GB18030 ">
<META   name= "GENERATOR "   content= "IBM   WebSphere   Studio ">
<META   http-equiv= "Content-Style-Type "   content= "text/css ">
<LINK   href= "../theme/Master.css "   rel= "stylesheet "
type= "text/css ">
<TITLE> rewardfindFinally.jsp </TITLE>
</HEAD>
<BODY   background= "../image/body.gif ">
<jsp:useBean   id= "connectdatabase "   class= "dbms.Database "/>
<%  
      String   rewardID=new   String(request.getParameter( "rewardID ").getBytes( "ISO8859_1 "), "GBK ");
      String   rewardpunish=new   String(request.getParameter( "rewardpunish ").getBytes( "ISO8859_1 "), "GBK ");
      String   employerID=new   String(request.getParameter( "employerID ").getBytes( "ISO8859_1 "), "GBK ");
      String   employerName=new   String(request.getParameter( "employerName ").getBytes( "ISO8859_1 "), "GBK ");
      String   reson=new   String(request.getParameter( "reson ").getBytes( "ISO8859_1 "), "GBK ");
      String   handlename=new   String(request.getParameter( "handlename ").getBytes( "ISO8859_1 "), "GBK ");
      rewardID= "% "+rewardID+ "% ";
      employerID= "% "+employerID+ "% ";
      employerName= "% "+employerName+ "% ";
      reson= "% "+reson+ "% ";
      handlename= "% "+handlename+ "% ";
      String   sql= "select   *   from   pertable   where   rewardID   LIKE ' "+rewardID+ " 'and   rewardpunish   LIKE ' "+rewardpunish+ " 'and   employerID   LIKE ' "+employerID+ " 'and   employerName   LIKE ' "+employerName+ " 'and   reson   LIKE ' "+reson+ " 'and   handlename   LIKE ' "+handlename+ " '; ";
      ResultSet   rs=connectdatabase.excute(sql);
%>
<TABLE   border= "0 "   width= "828 ">
<TBODY>
<TR>
<TD   colspan= "3 "   align= "center "> <jsp:include   page= "../head.jsp "
flush= "true "   /> </TD>
</TR>
<TR>
<TD> <jsp:include   page= "../reward/rewardleft.jsp "   />