Need webservice to tell JSP To change page

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Good bytonions

I have this code in my Registration.jsp page

<%
                                if (request.getParameter("txtName") != null){
            if(service.getPort().register(
                    request.getParameter("txtName"),
                    request.getParameter("txtSurname"),
                    request.getParameter("txtPassword"),
                    request.getParameter("txtEmail"),
                    request.getParameter("txtQuestion"),
                    request.getParameter("txtAnswer"))){response.sendRedirect("index.jsp");}
            }
 
            %>
 

/**
     * Web service operation
     */
    @WebMethod(operationName = "Register")
    public boolean Register  (@WebParam(name = "name")
    String name, @WebParam(name = "surname")
    String surname, @WebParam(name = "pass")
    String pass, @WebParam(name = "mail")
    String mail, @WebParam(name = "question")
    String question, @WebParam(name = "answer")
    String answer) {
 
        boolean flag = false;
        if(conn.connect())
        {
            flag = conn.Register(name, surname, pass, mail, question, answer);
            conn.disconect();
        }
        return flag;
    }
 

// the dbconnection.java that executes the sql
public boolean Register(String user, String surname,String pass, String mail, String question, String answer)
    {
        try
        {
            String sql = ("Insert into Users (usr__name, usr__surname, usr__pass, usr__mail, usr__question, usr__answer)"+
                    "values('"+user+"','"+surname+"','"+pass+"','"+mail+"','"+question+"','"+answer+"')");
            statement.executeQuery(sql);
 
        }catch(SQLException ex)
        {
            //log this to the file
        }
        return false;
    }
 

What i do is load registration.jsp, then the form posts the to the registration page again and just for testing purposes i just check if they filled out one field.

this is sent to the webservice that returns a boolean value

How do i make it just insert the data and then take me to the index.jsp again

Hope you guys can help. (this does work, it just takes me back to the registration page and i need, when i get a response back go to index.jsp)