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Atanu Paul
Dynamic check box problem
2 Answer(s)      3 years and 4 months ago
Posted in : JSP-Servlet


In my project i have used a dynamic table, in the each row of that table there is one check box [that i have created dynamically]. Now my problem is that i can't access those values from that dynamic check boxes ... pleas help me as soon as possible...


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April 12, 2011 at 10:40 AM


1)application.jsp:

<%@ page import="java.sql.*" %>
<html>
<form name="form"  method="post" action="retcheck.jsp">
 <table border="1">
<tr><th></th><th>Name</th><th>Address</th></tr>
<%
int i=0;
Connection con = null;
String url = "jdbc:mysql://localhost:3306/";
String db = "test";
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 data";
st = con.createStatement();
ResultSet rs = st.executeQuery(query);
%>
<%
while(rs.next()){
%>
<tr><td><input type="checkbox" value="<%= rs.getString("id")%>"  onclick='enable_text()' name="check">
<td><input type="text" name="name" value="<%=rs.getString("name")%>"></td>
<td><input type="text" name="address" value="<%=rs.getString("address")%>"></td>
</tr>
<%
}
%>
<%
}
catch(Exception e){
e.printStackTrace();
}
%>
</table>
<input type="submit" value="Get">
</form>
</html>

2)retcheck.jsp:

<%@ page import="java.sql.*" %>

<%
String id[]=request.getParameterValues("check");
%>
<form name="form">
<table border=1>
<tr><th>Name</th><th>Address</th></tr>
<%
Connection conn = null;
Class.forName("com.mysql.jdbc.Driver").newInstance();
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root", "root");
ResultSet rs = null;
Statement st=null;
st=conn.createStatement();
for(int a=0;a<id.length;a++){
rs = st.executeQuery("select * from data where id='"+id[a]+"'");
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></tr>
      <%
}
}
%>
</table>
</form>


April 12, 2011 at 12:38 PM


Thanks for the Help... ^_^



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