javascript - jquery dialog widget not passing my form value -

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i have table image bellow create query databases, each row have button when onclick prompt dialog box (i use jquery dialog widget) image 1

this myform html code 

<form action="prodi_tampil_mhs.php" method="post" name="form_tambah_cl_wisudawan" id="form_tambah_cl_wisudawan">

this php code create table query database 

while ($fetch_dbsi_mhsw=mysql_fetch_array($query_dbsi_mhsw)) { $no++; echo" <tr> <td>$no</td> <td>$fetch_dbsi_mhsw[nim]</td> <td>$fetch_dbsi_mhsw[name]</td> <td style=\"text-align: center;\"><input name=\"bt_tambah_calon_wisudawan\" id=\"bt_tambah_calon_wisudawan\" type=\"image\" src=\"buttontambah.png\" alt=\"tambah\" align=\"middle\" width=\"20\" height=\"20\" class=\"bt_tambah_calon_wisudawan\"   /></td></tr>";}

and jquery code

$(document).ready(function(){     $(".bt_tambah_calon_wisudawan").click(function(){         var value1 = $(this).closest('tr').find('td:eq(1)').text();         var value2 = $(this).closest('tr').find('td:eq(2)').text();         // here's text of dialog box          var dialog = $("<div style='display: none'><p>anda akan menambahkan "+value1 + " " + value2 + " sebagai calon wisudawan?</p></div>").appendto("body");         // button on form         var form = $("#form_tambah_cl_wisudawan")         // form button pressed - open dialog         $(dialog).dialog({             title: "konvirmasi penambahan data",             dialogclass: "no-close",             width: 600,             modal: true,             buttons: {                 "tambah": function () {                      // invoke form's action - putatively deleting resources on server                      $(form).submit();                      $(this).dialog("close");                 },                 "cancel": function() {                     // don't invoke action, close dialog                     $(this).dialog("close");                 }             }         });         return false;     });  });

my dialog box appear (like image 2) image 2

when click button "tambah" in dialog box value in form not passing. mistake in jquery code? help?

replace $(form).submit(); form.submit(); have stored selector $("#form_tambah_cl_wisudawan") var form.


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