Now you can ask questions directly to me on my new site ASPForums. Net Question Answer site, specially started to allow visitors of this site ask their doubts and queries. Just click the Ask Now button and ask your question now.If the username and password match with any existing records in the database, then user is logged-in the database, else “Username or password mismatch” error is shown to the user.

If any record exists then we send SUCCESS else FALSE to the Login Servlet class. Http Servlet Response; import com.loginproject.service. Login Service; public class Login Servlet extends Http Servlet Login This is the class where we are checking whether any user exists in the Database with the username and password entered by user in page. The script to create table and insert one user details are given above.

5)Based upon the response from do Login() method we redirect to the respective jsp page, i.e. Workflow image Databse Create USER table with below sample code and insert one demo record.

If found it picks the Servlet class name from tag and calls the do Get()/do Post() method of the Servlet class.

Here we are making POST request, hence do Post() method is called.

check whether Username exists in database or not using Java Script XML HTTP function and AJAX and in ASP.

Here Mudassar Ahmed Khan has explained with an example, how to check Username availability i.e. This article will illustrate how to check Username availability in database on Registration Form by making AJAX call to database using ASP. Here in our application we have given “login.jsp” as welcome file.So, when we run the application “login.jsp” file is rendered first.Agad If you are building a secure database you should not be keeping the actual password in your database.Agad Hi Agad It's sounds like the better thing to do, the problem is that i don't know how to do it.Is it something that I am supposed to do inside my SQL database or in my Java code?