javascript - jquery dialogue destroy syntax -

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i have dialog box loads partial view, called number of different views in mvc 4 app. has text area , small notice of how many characters remaining in text area. works fine on page load, when dialog box closed, whether send button or close button in dialog titlebar, when reopened '#textarea_feedback' div content disappears until page reload. believe should using dialog('destroy') cannot seem syntax right. either has no effect or displays partialview @ bottom of page. please advise, hope i've included enough code identify issue. thanx

   $(document).ready(function () {     var text_max = 160;     $('#textarea_feedback').html(text_max + ' characters remaining');     $('#txtmessage').keyup(function () {         var text_length = $('#txtmessage').val().length;         var text_remaining = text_max - text_length;         $('#textarea_feedback').html(text_remaining + ' characters remaining');     });       $('#send').click(function (e) {         if ($('#txtsmsmessage').val().trim()) {             e.preventdefault();             $.ajax({                 type: "post",                 data: $('form#composer').serialize(),                 url: '/mycontroller/myaction',                 success: function (data) {                     alert('sent');                     $('#composer').closest("div.ui-dialog-content").dialog("close");                 },                 error: function (a, b, c) {                     $("#composer").unblock();                     alert(b);                 }             });             //$('#composer').closest("div.ui-dialog-content").dialog("destroy");         }     });      //var dialog = $('#composer').closest("div.ui-dialog-content").dialog();     //console.debug(dialog);     //dialog.on("dialogbeforeclose", function (event, ui) {     //    dialog.dialog('destroy')     //});  });

wanted post answer in case else, lshetty's comment lead me in right direction. added close function of ajax call created dialog box:

    $.ajax({     url:        ...     type: "post",     success: function (responsetext, textstatus, xmlhttprequest) {         dialog.html(responsetext);         dialog.dialog({             ...             title: 'send message',             open: function () {                ...             },             close: function () {                 $(this).dialog('destroy').remove()             },             ...         });     }

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