How to create an alert message in jsp page after submit process is complete

Question

I am trying to add a message in my jsp after the process is done by hitting the submit button   function onSubmit     alert  Master Data xlsx and Consistency Check Data xlsx are located under d  stage MasterDataReports       lt  script gt   lt body gt    lt form name  input  action  getMasterData  method  get  gt          lt br   gt       lt br   gt       lt h1 align  center  gt Master Data File lt  h1 gt       lt br   gt       lt br   gt         lt table border  0  align  center  gt           lt tr gt               lt td gt                   lt h2 gt Site Name lt  h2 gt               lt  td gt               lt td align  left  gt               lt jsp useBean id  masterDao  class  master dao MasterDataDao   gt               lt select name  siteId  id  siteId  gt               lt option value  0  gt ALL lt  option gt                lt c forEach items    masterDao allSites   var  siteDto  gt                lt option value    siteDto id   gt   siteDto name  lt  option gt               lt  c forEach gt               lt  select gt  lt  td gt           lt  tr gt           lt tr gt               lt td gt                   lt h2 gt Division lt  h2 gt               lt  td gt               lt td align  left  gt               lt jsp useBean id  masterDaoUtil  class  master dao util MasterDataConstants   gt               lt select name  divisionId  id  divisionId  gt               lt option value  33  gt  lt   MasterDataConstants DIVISION TYPE AUDIT MANAGEMENT GLOBAL NAME  gt  lt  option gt               lt option value  31  gt  lt   MasterDataConstants DIVISION TYPE CHANGE MANAGEMENT GLOBAL NAME  gt  lt  option gt               lt option value  34  gt  lt   MasterDataConstants DIVISION TYPE DEA MANAGEMENT GLOBAL NAME  gt  lt  option gt               lt option value  35  gt  lt   MasterDataConstants DIVISION TYPE EHS MANAGEMENT GLOBAL NAME  gt  lt  option gt               lt option value  23  gt  lt   MasterDataConstants DIVISION TYPE EVENT MANAGEMENT GLOBAL NAME  gt  lt  option gt               lt  select gt  lt  td gt           lt  tr gt        lt  table gt       lt br   gt       lt br   gt       lt div style  text-align  center  gt            strong text   lt input type  submit  value  Submit  OnClick  onSubmit    gt       lt  div gt    Right now the submit process will only happen after I clear the alert  Is there a way that I can either pop an alert after the submit process is done or if I can add a message to the jsp page  Thanks in advance Sonny  Here is my updated Servlet that is causing error   package master service   import java io IOException  import java sql SQLException   import javax servlet ServletException  import javax servlet http HttpServlet  import javax servlet http HttpServletRequest  import javax servlet http HttpServletResponse    strong text  import javax servlet http HttpSession      SuppressWarnings  serial    public class MasterDataServlet extends HttpServlet   public void doGet HttpServletRequest request  HttpServletResponse response  HttpSession session          throws IOException  ServletException       MasterDataService masterDataService   new MasterDataService        try           int siteId   Integer parseInt request getParameter  siteId             int divisionId   Integer parseInt request getParameter  divisionId               For master data file         masterDataService createMasterDataFile siteId  divisionId false             For consistency checker file          masterDataService createMasterDataFile siteId  divisionId true           request getRequestDispatcher   masterDataQueryScreen jsp   forward request  response             strong text  session setAttribute  getAlert    Yes     Just initialize a random variable            strong text  response sendRedirect   masterDataQueryScreen jsp          catch  ClassNotFoundException e               TODO Auto-generated catch block         e printStackTrace          catch  SQLException e               TODO Auto-generated catch block         e printStackTrace

User · Answer

You can also create a new jsp file sayng that form is submited and in your main action file just write its file name

Eg. Your form is submited is in a file succes.jsp Then your action file will have

Request.sendRedirect("success.jsp")

User · Answer

So let s say after getMasterData servlet will response sendRedirect to to test jsp   In test jsp  Create a javascript   lt script type  text javascript  gt  function alertName    alert  Form has been submitted        lt  script gt     and than at the bottom   lt script type  text javascript  gt  window onload   alertName   lt  script gt    Note im not sure how to type the code in stackoverflow    Edit  I just learned how to  Edit 2  TO the question This works perfectly  Another question  How would I get rid of the initial alert when I first start up the JSP   Form has been submitted  is present the second I execute  It shows up after the load is done to which is perfect    To do that i would highly recommendation to use session   So what you want to do is in your servlet   session setAttribute  getAlert    Yes     Just initialize a random variable  response sendRedirect test jsp     than in the test jsp   lt   session setMaxInactiveInterval 2     gt     lt script type  text javascript  gt  var Msg    lt   session getAttribute  getAlert    gt        if  Msg     null      function alertName     alert  Form has been submitted             lt  script gt     and than at the bottom   lt script type  text javascript  gt  window onload   alertName   lt  script gt    So everytime you submit that form a session will be pass on  If session is not null the function will run

User · Answer

in your servlet    request setAttribute  submitDone   done     return mapping findForward  success      In your jsp   lt c if test    not empty submitDone   gt     lt script gt alert  Form submitted     lt  script gt  lt  c if gt

[javascript] How to create an alert message in jsp page after submit process is complete

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