Connection to mysql using jsp/jdbc
Posted by:
Arun Kumar
Date: February 20, 2006 01:46AM
hi everybody,
i m new to jsp and mysql. i m trying to authenticate a web application using jsp & mysql. userid and password is stored in a database "visitor" in table "login". i am running this application on sun appserver(j2ee). The error: Invalid Directive(login.jsp(4,5)) is displayed.follows is my code. tell me if i need tomcat or its ok with Sun Appserver.Please Solve my problem.
<HTML>
<HEAD>
<%@ PAGE import="java.io.*" import="java.lang.*" import="java.sql.*" %>
<TITLE>JSP Example 2</TITLE>
</HEAD>
<BODY>
<H1>JSP Example 3</H1>
<%
String uid, upwd, dpwd ;
Connection dbconn;
ResultSet results;
PreparedStatement sql;
TRY
{
Class.forname("org.gjt.mm.mysql.driver").newInstance();
TRY
{
dbconn = DriverManager.getConnection("jdbc:mysql://localhost/visitor","","");
uid = request.getParameter("userid");
upwd = request.getParameter("passwd");
sql = dbconn.prepareStatement("SELECT Password FROM login WHERE UseiId = '" + uid + "'");
results = sql.executeQuery();
dpwd = results.getString(Password);
if(upwd==dpwd)
{
}
else
{
out.println("Invalid Username or Password");
}
}
catch (SQLException s)
{
out.println("SQL Error<br>");
}
}
catch (ClassNotFoundException err)
{
out.println("Class loading error");
}
%>
</BODY>
</HTML>
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November 15, 2006 04:20AM
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Connection to mysql using jsp/jdbc
February 20, 2006 01:46AM
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February 20, 2006 12:20AM
November 15, 2006 04:15AM
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