Servlet program for updating database
When a user wants to edit an existing record or add a new one, it is used as a container to hold the changed or new values for a single row of a table to prepare the row for using to update the database.The bean contains properties for each field in an employee record, and then JDeveloper creates the accessors ( The method you create in these steps is used to find the record for a particular employee.
Here is a scenario: A user enters a query and submits it to servlet. Http Servlet Response; /** * Servlet implementation class Accountdetails */ @Web Servlet("/Accountdetails") public class Accountdetails extends Http Servlet String update= "update registerutable set fname='" Fname "', mname='" Mname "', lname='" Lname "', username='" Uname "', emailid='" Emailid "', mobno='" Mobno "', address='" Address "', password1='" Password1 "', password2='" Password2 "' where id='" ID "' "; Ravinder now it is showing The sql is update registerutable set fname='admin11', mname='admin11', lname='admin11', username='admin11', emailid='admin', mobno='1111', address='admin', password1='admin', password2='admin' where id='16' but still there is a one com/.../2010/10/How to Select the Best Database Software: Know the Lingo While you're not expected to become a programmer overnight, some general knowledge can certainly be beneficial.We use Eclipse IDE for Java EE Developers which includes tools for creating Java EE and Web applications. Create a dynamic Web Project in Eclipse and assign the name of project as Servlet DBExample as shown below. There is no special class that has to be extended to create a bean.
In the steps for creating a sample application in this chapter, a Java Bean is used to hold a single employee record.
//Java Servlet program responsible for obtaining the user data and updating into database package roseindia.net; import *; import *; import javax.servlet.
Servlet Exception; import javax.servlet.annotation.
The information entered by the user is forwarded to Register Servlet, which is responsible to store the data into the database.
Now create a package servlet and in that package create a class Register Servlet and add following code into this.
We will develop this page in JSP following DAO, DTO and Singleton design pattern later. In this page, we have getting input from the user using text fields and combobox.