Navigating in a Database Table
<%@ page import="java.sql.*" %>
<% Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); %>
<HTML>
<HEAD>
<TITLE>Navigating in a Database Table </TITLE>
</HEAD>
<BODY>
<H1>Navigating in a Database Table </H1>
<FORM NAME="form1" ACTION="self.jsp" METHOD="POST">
<%
int current = 1;
if(request.getParameter("hidden") != null) {
current = Integer.parseInt(request.getParameter("hidden"));
}
Connection connection = DriverManager.getConnection(
"jdbc:odbc:data", "userName", "password");
Statement statement = connection.createStatement(
ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_READ_ONLY);
ResultSet resultset =
statement.executeQuery("select * from tableName");
if(current < 1){
current = 1;
}
resultset.last();
int rows = resultset.getRow();
if(current <= rows){
resultset.absolute(current);
}
%>
<TABLE BORDER="1">
<TR>
<TH>ID</TH>
<TH>Name</TH>
<TH>City</TH>
<TH>State</TH>
<TH>Country</TH>
</TR>
<TR>
<TD> <%= resultset.getString(1) %> </TD>
<TD> <%= resultset.getString(2) %> </TD>
<TD> <%= resultset.getString(3) %> </TD>
<TD> <%= resultset.getString(4) %> </TD>
<TD> <%= resultset.getString(5) %> </TD>
</TR>
</TABLE>
<BR>
<INPUT TYPE="HIDDEN" NAME="hidden" VALUE="<%= current %>">
<INPUT TYPE="BUTTON" VALUE="Next Record" ONCLICK="moveNext()">
<INPUT TYPE="BUTTON" VALUE="Previous Record" ONCLICK="movePrevious()">
</FORM>
<SCRIPT LANGUAGE="JavaScript">
<!--
function moveNext()
{
var counter = 0
counter = parseInt(document.form1.hidden.value) + 1
document.form1.hidden.value = counter
form1.submit()
}
function movePrevious()
{
var counter = 0
counter = parseInt(document.form1.hidden.value) - 1
document.form1.hidden.value = counter
form1.submit()
}
// -->
</SCRIPT>
</BODY>
</HTML>
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