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Nandini Mishra
Retrieve data by clicking a link
2 Answer(s)      3 years and 2 months ago
Posted in : JSP-Servlet


In a page there are 5 links.Every link has a hidden value. According to that hidden value data should be retrieved from the database and data should be displayed in a new page.How to do it?Please help.


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May 24, 2011 at 12:32 PM


1)link.jsp:

<a href="display.jsp?id=1">Link1 </a><br>
<a href="display.jsp?id=2">Link2 </a><br>
<a href="display.jsp?id=3">Link3 </a><br>
<a href="display.jsp?id=4">Link4 </a><br>
<a href="display.jsp?id=5">Link5 </a>

2)display.jsp:

<%@page import="java.sql.*"%>
<table>
<%
String id=request.getParameter("id");
Class.forName("com.mysql.jdbc.Driver").newInstance();  
 Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root");  
Statement st=con.createStatement();
ResultSet rs=st.executeQuery("Select * from employee where id='"+id+"'");
if(rs.next()){
    %>
<tr><td>Name:</td><td><input type="text"  value="<%=rs.getString("name")%>"></td></tr>
<tr><td>Address:</td><td><input type="text"  value="<%=rs.getString("address")%>"></td></tr>
<tr><td>Contact No:</td><td><input type="text" value="<%=rs.getString("contactNo")%>"></td></tr>
<tr><td>Email:</td><td><input type="text" value="<%=rs.getString("email")%>"></td></tr>
<%
}
%>
</table>


May 24, 2011 at 12:32 PM


1)link.jsp:

<a href="display.jsp?id=1">Link1 </a><br>
<a href="display.jsp?id=2">Link2 </a><br>
<a href="display.jsp?id=3">Link3 </a><br>
<a href="display.jsp?id=4">Link4 </a><br>
<a href="display.jsp?id=5">Link5 </a>

2)display.jsp:

<%@page import="java.sql.*"%>
<table>
<%
String id=request.getParameter("id");
Class.forName("com.mysql.jdbc.Driver").newInstance();  
 Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root");  
Statement st=con.createStatement();
ResultSet rs=st.executeQuery("Select * from employee where id='"+id+"'");
if(rs.next()){
    %>
<tr><td>Name:</td><td><input type="text"  value="<%=rs.getString("name")%>"></td></tr>
<tr><td>Address:</td><td><input type="text"  value="<%=rs.getString("address")%>"></td></tr>
<tr><td>Contact No:</td><td><input type="text" value="<%=rs.getString("contactNo")%>"></td></tr>
<tr><td>Email:</td><td><input type="text" value="<%=rs.getString("email")%>"></td></tr>
<%
}
%>
</table>


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