jsp _how to edit table of data displayed using jsp when clicked on edit button
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8/27/13 jsp :how to edit table of data displayed using jsp when clicked on edit button
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jsp :how to edit table of data displayed using jsp when clicked on edit button
4 Answer(s) a year and 3 months ago
Posted in : JSP-Interview Questions
i have a jsp program which displays data in the form of table ..now i want to edit this information in table
when clicked on edit button and save the data when clicked on save button.. how can i do this
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May 15, 2012 at 2:13 PM
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The given code retrieve data from database and display in the html table. At each row, there is a buttonwhich consists of that particular id. When the user clicks the particular edit button, that data will get shown
in another page and allow the user to update the record.
1)application.jsp:
<%@ page import="java.sql.*" %>
<html>
<head>
<script language="javascript">
function editRecord(id){
var f=document.form;
f.method="post"; f.action='edit.jsp?id='+id;
f.submit();
}</script>
</head>
<body>
<br><br>
<form method="post" name="form">
<table border="1">
<tr><th>Name</th><th>Address</th><th>Contact No</th><th>Email</th></tr>
<%Connection con = null;
String url = "jdbc:mysql://localhost:3306/";
String db = "test";
String driver = "com.mysql.jdbc.Driver";
String userName ="root";
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8/27/13 jsp :how to edit table of data displayed using jsp when clicked on edit button
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May 15, 2012 at 2:14 PM
String password="root";
int sumcount=0;
Statement st;
try{
Class.forName(driver).newInstance();
con = DriverManager.getConnection(url+db,userName,password);
String query = "select * from employee";
st = con.createStatement();
ResultSet rs = st.executeQuery(query);
%>
<%
while(rs.next()){
%>
<tr><td><%=rs.getString(2)%></td>
<td><%=rs.getString(3)%></td>
<td><%=rs.getString(4)%></td>
<td><%=rs.getString(5)%></td>
<td><input type="button" name="edit" value="Edit" style="background-color:green;font-weight:bold;color:white;" onclick="editRecord(<%=rs.getString
</tr>
<%
}
%>
<%
}catch(Exception e){
e.printStackTrace();
}
%>
</table>
</form>
</body>
</html>
continue..
2)edit.jsp:
<%@page language="java"%><%@page import="java.sql.*"%>
<form method="post" action="update.jsp">
<table border="1">
<tr><th>Name</th><th>Address</th><th>Contact No</th><th>Email</th></tr>
<%String id=request.getParameter("id");
int no=Integer.parseInt(id);
int sumcount=0;
try {
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
String query = "select * from employee where id='"+no+"'";
Statement st = conn.createStatement();
ResultSet rs = st.executeQuery(query);
while(rs.next()){
%><tr>
<td><input type="text" name="name" value="<%=rs.getString("name")%>"></td>
<td><input type="text" name="address" value="<%=rs.getString("address")%>"></td>
<td><input type="text" name="contact" value="<%=rs.getInt("contactNo")%>"></td>
<td><input type="text" name="email" value="<%=rs.getString("email")%>"></td>
<td><input type="hidden" name="id" value="<%=rs.getString(1)%>"></td>
</tr>
<tr>
<td><input type="submit" name="Submit" value="Update" style="background-color:#49743D;font-weight:bold;color:#ffffff;"></td>
</tr>
<%}
}catch(Exception e){}
%></table>
</form>
3)update.jsp:
<%@page import="java.sql.*"%>
<%String ide=request.getParameter("id");
8/27/13 jsp :how to edit table of data displayed using jsp when clicked on edit button
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May 15, 2012 at 6:49 PM
August 23, 2012 at 11:21 AM
Post Answer
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int num=Integer.parseInt(ide);
String name=request.getParameter("name");
String address=request.getParameter("address");
int contact=Integer.parseInt(request.getParameter("contact"));
String email=request.getParameter("email");
try{
Connection conn = null;
Class.forName("com.mysql.jdbc.Driver").newInstance();
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root", "root");
Statement st=null;
st=conn.createStatement();st.executeUpdate("update employee set name='"+name+"',address='"+address+"',contactNo="+contact+",email='"+email+"' where id='"+num+"'");response.sendRedirect("/examples/jsp/application.jsp");}catch(Exception e){
System.out.println(e);
}%>
My database is xml..How can i do the same thing when database is xml..
Application is working fine ...
but the movement i click on edit button its not displaying any values .. wat might be the prob .. ?
reply soon
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8/27/13 jsp :how to edit table of data displayed using jsp when clicked on edit button
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8/27/13 jsp :how to edit table of data displayed using jsp when clicked on edit button
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