sir ,i want to retreive data from mysql as a table format and after retreiving the data i want to edit the data and update the data into mysql using jsp
hi friend,
Try the following sample code may, this will be helpful for you
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 = "record"; String driver = "com.mysql.jdbc.Driver"; String userName ="root"; String password="root"; int sumcount=0; Statement st; try{ Class.forName(driver).newInstance(); con = DriverManager.getConnection(url+db,userName,password); String query = "select * from employee1"; 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(1)%>);" ></td> </tr> <% } %> <% } catch(Exception e){ e.printStackTrace(); } %> </table> </form> </body> </html>
Continue......
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/record", "root", "root"); String query = "select * from employee1 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>
Continue......
update.jsp
<%@page import="java.sql.*"%> <% String ide=request.getParameter("id"); 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/record","root", "root"); Statement st=null; st=conn.createStatement(); st.executeUpdate("update employee1 set name='"+name+"',address='"+address+"',contactNo="+contact+",email='"+email+"' where id='"+num+"'"); response.sendRedirect("application.jsp"); } catch(Exception e){ System.out.println(e); } %>
Ads