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DeleteEmp.java
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package Controller;
import db.DBConnector;
import dto.UserDTO;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.swing.JOptionPane;
public class DeleteEmp extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
String empId = request.getParameter("empId");
HttpSession session = request.getSession(true);
session.setAttribute("empId",empId);
System.out.println(empId);
int i = 0;
try
{
DBConnector db_connector = new DBConnector();
Connection con = db_connector.getConnection();
PreparedStatement pst = db_connector.getPreparedStatement();
System.out.println("connection open");
String query = "Delete from listofemp where empId=?";
pst=con.prepareStatement("Delete from listofemp where empId=?");
pst.setString(1, empId);
i=pst.executeUpdate();
System.out.println("Query = " + query);
if(i>0)
{
JOptionPane.showMessageDialog(null,"Record Deleted");
System.out.println("Record Deleted");
/*PrintWriter out=response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>Done!</title>");
out.println("</head>");
out.println("<BODY bgcolor=cyan>");
out.println("<BR>");
out.println("<div align=center><h1>Record deleted successfully</h1>");
out.println("<BR>");
out.println("<BR>");
out.println("<BR>");
out.println("<a href=index.jsp >Back</a>");
out.println("<BR>");
out.println("<BR>");
out.println("<BR>");
out.println("<a href=index.html >Log Out </a></div>");
out.println("</body>");
out.println("</html>");
*/
response.sendRedirect("ViewEmp");
}
else
{
System.out.println("Record not Deleted");
JOptionPane.showMessageDialog(null,"Record not Deleted");
/*PrintWriter out=response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>Sorry!</title>");
out.println("</head>");
out.println("<BODY bgcolor=cyan>");
out.println("<BR>");
out.println("<div align=center><h1>Record not deleted</h1>");
out.println("<BR>");
out.println("<BR>");
out.println("<BR>");
out.println("<a href=index.jsp >Back</a>");
out.println("<BR>");
out.println("<BR>");
out.println("<BR>");
out.println("<a href=index.html >Log Out </a></div>");
out.println("</body>");
out.println("</html>");
*/
response.sendRedirect("ViewEmp");
}
}
catch (SQLException e)
{
System.out.println(e);
}
}
}