Hi,
You can't get the values of a javascript array object from a servlet.
You have to think a way of putting the values in form objects, only form
object values are transmited to the servlet.
Hope it helps ,
Andras.
----- Original Message -----
From: Ch.Srinivas Kumar <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, June 06, 2000 10:05 AM
Subject: Help!!!! how to retrieve multiple values in the doPost method from
javascript element
> In the below servlet there are three buttons "Submit" whose
> type=submit,"Reset"whose type=reset,"Add" whose type=button.when the user
> clicks on "Add" button this button invokes a java-script function which
> takes the values from the form elements and stores in seperate arrays.I'm
> using java-script for this and storing them in (javascript)arrays.i used
> this to avoid refreshing the screen for each new set of values. Now after
> he finishes entering all the values he clicks "Submit" which has to take
all
> the values from the arrays and store them in the database.now how do i
> retrive these values in the doPost method of the same servlet.Please send
me
> ur reply as soon as possible.
>
>
> ********************* servlet code****************
>
>
>
>
> public class AddMetric extends HttpServlet {
>
>
>
>
> public void init(ServletConfig config) throws ServletException {
> super.init(config);
> }
>
>
>
>
> public void doGet(HttpServletRequest req,HttpServletResponse res) throws
> ServletException, IOException {
>
>
>
>
> res.setContentType("text/html");
> PrintWriter out = res.getWriter();
>
>
getServletContext().getRequestDispatcher("/servlet/OperatorHeader").include(
req,res);
> out.println("<script language=\"java-script\"
> src=\"../validation.js\"></script>");
> out.println(" <script>");
> out.println(" <!--");
> out.println(" arr1 = new Array(4);");
> out.println(" arr2 = new Array(4);");
> out.println(" arr3 = new Array(4);");
> out.println(" arr4 = new Array(4);");
> out.println(" arr5 = new Array(4);");
> out.println(" i=0;");
> out.println(" function addmetric() {");
> out.println(" if(i>4) {");
> out.println(" alert('Sorry now you can add 5 items at a time \n
Please
> Submit then you can again');");
> out.println(" return false; ");
> out.println(" }");
> out.println(" arr1[i]=form.metricName.value;");
> out.println(" arr2[i]=form.metricDatatype.value;");
> out.println(" arr3[i]=form.unit.value;");
> out.println(" arr4[i]=form.startValue.value;");
> out.println(" arr5[i]=form.endValue.value;");
> out.println(" i=i+1;");
> out.println(" }");
> out.println(" -->");
> out.println(" </script>");
> out.println("<td width=\"596\" height=\"215\"> <p
> align=\"center\"><strong><small><font face=\"Tahoma\">Add a");
> out.println(" new Metrics<small><br>");
> out.println(" </small></font></small></strong></p>");
> out.println(" <form name=\"form\" method=\"post\"
> action=\"AddMetric\">");
> out.println(" <div align=\"center\"><center><table border=\"0\"
> cellspacing=\"0\" width=\"355\" height=\"182\"");
> out.println(" cellpadding=\"0\">");
> out.println(" <tr>");
> out.println(" <td width=\"216\" height=\"38\"
> colspan=\"2\"><small><font face=\"Tahoma\"><strong>Metrics
> Name</strong></font></small></td>");
> out.println(" <td width=\"179\" height=\"38\"
> colspan=\"2\"><small><font face=\"Tahoma\"><input type=\"text\"");
> out.println(" name=\"metricsName\"
> size=\"18\"></font></small></td>");
> out.println(" </tr>");
> out.println(" <tr>");
> out.println(" <td width=\"216\" height=\"41\"
> colspan=\"2\"><small><font face=\"Tahoma\"><strong>Metrics");
> out.println(" Data Type</strong></font></small></td>");
> out.println(" <td width=\"179\" height=\"41\"
> colspan=\"2\"><small><font face=\"Tahoma\"><input type=\"text\"");
> out.println(" name=\"metricsDatatype\" size=\"18\"
> onfiltered=\"val(MetricsName)\"></font></small></td>");
> out.println(" </tr>");
> out.println(" <tr>");
> out.println(" <td width=\"216\" height=\"36\"
> colspan=\"2\"><small><font face=\"Tahoma\"><strong>Unit of");
> out.println(" Measurement </strong></font></small></td>");
> out.println(" <td width=\"179\" height=\"36\"
> colspan=\"2\"><small><font face=\"Tahoma\"><select
> name=\"unitOfMeasurement\"");
> out.println(" size=\"1\">");
> out.println(" <option value=\"Inch\">Inch</option>");
> out.println(" <option value=\"Cm\">Cm</option>");
> out.println(" <option value=\"Feet\">Feet</option>");
> out.println(" <option value=\"Meter\">Meter</option>");
> out.println(" </select></font></small></td>");
> out.println(" </tr>");
> out.println(" <tr>");
> out.println(" <td width=\"216\" height=\"31\"
> colspan=\"2\"><small><font face=\"Tahoma\"><strong>Start
> Value</strong></font></small></td>");
> out.println(" <td width=\"179\" height=\"31\"
> colspan=\"2\"><small><font face=\"Tahoma\"><input type=\"text\"");
> out.println(" name=\"startValue\" size=\"18\"
> onfiltered=\"val(MetricsDataType)\"></font></small></td>");
> out.println(" </tr>");
> out.println(" <tr>");
> out.println(" <td width=\"216\" height=\"36\"
> colspan=\"2\"><small><font face=\"Tahoma\"><strong>End
> Value</strong></font></small></td>");
> out.println(" <td width=\"179\" height=\"36\"
> colspan=\"2\"><small><font face=\"Tahoma\"><input type=\"text\"");
> out.println(" name=\"endValue\" size=\"18\"
> onfiltered=\"val(StartValue)\"></font></small></td>");
> out.println(" </tr>");
> out.println(" <tr>");
> out.println(" <td valign=\"middle\" align=\"center\"
> width=\"132\"><small><font face=\"Tahoma\"><input");
> out.println(" type=\"submit\" value=\"Submit\"
> name=\"submit\"></font></small></td>");
> out.println(" <td valign=\"middle\" align=\"center\"
> width=\"126\" colspan=\"2\"><small><font face=\"Tahoma\"><input");
> out.println(" type=\"reset\" value=\"Reset\"
> name=\"reset\"></font></small></td>");
> out.println(" <td valign=\"middle\" align=\"center\"
> width=\"120\"><font face=\"Tahoma\"><input type=\"button\"");
> out.println(" value=\"Add\" name=\"add\"
> onfiltered=\"addmetric()\"></font></td>");
> out.println(" </tr>");
> out.println(" </table>");
> out.println(" </center></div>");
> out.println(" </form>");
> out.println(" </td> ");
>
>
>
>
>
>
getServletContext().getRequestDispatcher("/servlet/CopyRightTemplate").inclu
de(req,res);
> out.close();
> }
> }
>
>
>
>
> *****************************************************
>
>
>
>
>
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