Hi, sourabh,
Thanks for your response. Yes,
res.sendRedirect()works.
if i take off res.sendRedirect(), the javascrift
function works. but when i add res.sendRedirect(),
jaavscript can't work.
bin
--- Sourabh Kulkarni <[EMAIL PROTECTED]> wrote:
> Does the res.sentRedirect() method call work?
> Probably, the browser on
> receiving this redirection notification from the
> server, doesn't
> execute/display the html it just received.
> -sourabh
>
> ----- Original Message -----
> From: bin cai <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Thursday, February 14, 2002 3:22 AM
> Subject: javascript function "alert"
>
>
> > I am writing a javascript inside java servlet to
> get
> > the function "alert", that is , when one trying to
> > modify two records at one time, error message like
> > "you can only modify one record at one time" comes
> out
> > in a new small window. then the servlet program
> will
> > be redirected to another servlet program. firt the
> > javascript function works well. but when i add one
> > piece of code
> > res.sendRedirect("/labexam/servlet/StudentEdit");
> > the javascript function doesn't work even it is
> > called.
> > the following is my code
> >
> > out.println("<html>");
> >
> > out.println("<head>");
> > out.println("<title>Student Edit
> Menu</title>");
> >
> >
> > out.println("</head>");
> >
> > out.println("<body bgcolor=#ccffff>");
> > out.println("<h1 align = center><font
> size=5
> > color=green >"+courseid.toUpperCase()+": "+
> > course+"</h1>");
> >
> > out.println("<p>");
> > out.println("<p>");
> >
> > if (errorFlag == true) {// if there is
> error in
> > selection, set target=_self
> > out.println("<form
> > action=\"StudentEditModule1\" method=Get
> > Target=_self>");
> > System.out.println("errorflag is
> true");
> > }
> > else{
> > System.out.println("errorflag is
> false");
> > out.println("<form
> > action=\"StudentEditModule1\" method=Get
> > Target=_parent>");
> > }
> > out.println("<table align=center >");
> >
> > out.println("<tr><td>");
> > out.println("<select name=\"action\">");
> > out.println("<option
> value=\"Add\">Add");
> > out.println("<option
> value=\"Modify\">Modify");
> > out.println("<option
> value=\"Delete\">Delete");
> > out.println("<option
> value=\"Upload\">Upload
> > File");
> > out.println("</select>");
> > out.println("</td>");
> > out.println("<td>");
> > out.println("<input type=\"submit\"
> value=\"Go\"
> > >");
> > out.println("</td>");
> > out.println("</tr>");
> >
> > out.println("</table>");
> >
> > out.println("</form>");
> > if (errorFlag==true) { // if there is
> error in
> > selection, pop up error message
> > System.out.println("the error
> message function
> > is called");
> > out.println("<script
> > language=\"JavaScript\">");
> > if(numOfSelection==0)
> > out.println("alert(\" At least
> one record needs to
> > be selected\")");
> > else // more than one record for
> modify
> > function
> > out.println("alert(\" Only one
> record can be
> > modified at one time\")");
> > out.println("</script>"); // end of
> javaScript
> >
> >
> > }
> >
> > out.println("</body>");
> > out.println("</html>");
> > if (errorFlag ==true)
> >
> > res.sendRedirect("/labexam/servlet/StudentEdit");
> > // close connection
> >
> >
> >
> >
>
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