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servlet example without using MVC pattern

 
Greenhorn
Posts: 18
Tomcat Server Java
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I have written the following Servlet for Login Page without using MVC pattern:
Correct UserNames and Passwords are stored in MSAccess Database.



The problem is this ..when I enter wrong UserName and Password, it prints ‘Invalid UserName or Password’ many times.But I want it only once.How to overcome this problem.please help me to make correction in the code.
 
Sheriff
Posts: 13411
Firefox Browser VI Editor Redhat
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You're selecting every name in the table and then comparing them in your Java code.
Why not build a select statement that looks for the exact username and password entered by the user.

If you have an empty resultSet, then you know there was no match.
 
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