[해결]문제해결했습니다.

lalupo20의 이미지

<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
<%@ page import="java.sql.*" %>
<script language="javascript">
function modifyCheck() {
	var form = document.modifyform;
 
	if (!form.password.value) {
		alert("비밀번호를 적어주세요.");
		form.password.focus();
		return;
	}
 
	if (!form.title.value) {
		alert("제목을 적어주세요.");
		form.title.focus();
		return;
	}
 
	if (!form.memo.value) {
		alert("내용을 적어주세요.");
		form.memo.focus();
		return;
	}
	form.submit();
}
</script>
<!DOCTYPE html>
<html>
	<head>
		<title>게시판</title>
	</head>
 
	<body>
<%
	request.setCharacterEncoding("utf-8");
	Class.forName("com.mysql.jdbc.Driver");
 
	String url = "jdbc:mysql://localhost:3306/daesung";
	String id = "***";
	String pw = "********";
 
	String name = "";
	String password = "";
	String title = "";
	String memo = "";
	int idx = Integer.parseInt(request.getParameter("idx"));
 
	try {
 
		Connection conn = DriverManager.getConnection(url,id,pw);
		Statement stmt = conn.createStatement();
 
		String sql = "SELECT USERNAME, PASSWORD, TITLE, MEMO FROM board WHERE NUM=" + idx;
		ResultSet rs = stmt.executeQuery(sql);
 
 
		if(rs.next()){
 
			name = rs.getString(1);
			password = rs.getString(2);
			title = rs.getString(3);
			memo = rs.getString(4);
		}
 
		rs.close();
		stmt.close();
		conn.close();
 
	}catch(SQLException e) {
		out.println( e.toString() );
	}
%>
	<table>
	<form name=modifyform method=post action="modify_ok.jsp?idx=<%=idx%>">
		<tr>
			<td>
	<table width="100%" cellpadding="0" cellspacing="0" border="0">
				<tr style="background:url(img/table_mid.gif)" repeat-x; text-align:center;">
					<td width="5"><img src="img/table_left.gif" width="5" height="30"/></td>
					<td>수정</td>
					<td width="5"><img src="img/table_right.gif" width="5" height="30"/></td>
				</tr>
			</table>
			<table>
				<tr>
					<td>&nbsp;</td>
					<td align="center">제목</td>
					<td><input name="title" size="50" maxlength="100" value="<%=title %>"></td>
					<td>&nbsp;</td>
				</tr>
				<tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
				<tr>
					<td>&nbsp;</td>
					<td align="center">이름</td>
					<td><input name="name" size="50" maxlength="50" value="<%=name %>"></td>
					<td>&nbsp;</td>
				</tr>
				<tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
				<tr>
					<td>&nbsp;</td>
					<td align="center">비밀번호</td>
					<td><input name="pasword" password" size="50" maxlength="50"></td>
					<td>&nbsp;</td>
				</tr>
				<tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
				<tr>
					<td>&nbsp;</td>
					<td align="center">내용</td>
					<td><textarea name="memo" cols="50" rows="13"><%=memo %></textarea></td>
					<td>&nbsp;</td>
				</tr>
				<tr height="1" bgcolor="#dddddd"><td colspan="4"></td></tr>
				<tr height="1" bgcolor="#82B5DF"><td colspan="4"></td></tr>
				<tr align="center">
					<td>&nbsp;</td>
					<td colspan="2"><input type=button value="수정" OnClick="javascript:modifyCheck();"> 
						<input type=button value="취소" OnClick="javascript:history.back(-1)">
					<td>&nbsp;</td>
				</tr>
			</table>		
			</td>
		</tr>
	</table>
	</body>
</html>

웹에 올라온 예제보고 따라해보는 중인데

게시글 수정하는 코드 작성하는 부분에서 막혔습니다.

마지막 즈음에

<input type=button value="수정" OnClick="javascript:modifyCheck();"> 

이부분에서 자바스크립트 코드가 호출이 안되는데

어떤 문제점이 있는지 봐주실 수 있나요?

부탁드립니다.