asp.net mvc - jquery button in pop up -

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i used index.js file write code create , open popup on button click. partial view invoked popup.

$("#createform").dialog({     autoopen: false,     modal: true,     width: 550,     height: 420,     open: function(event, ui) {         $(".ui-dialog-titlebar-close").hide();     } });  $(".buttoncreate").button().click(function() {     $.ajax({         // call createpartialview action method         url: "/purchaseinvoice/additempartial",         type: 'get',         success: function(data) {             $("#createform").dialog("open");             $("#createform").empty().append(data);             $("#editform").hide();         },         error: function() {             alert("something seems wrong");         }     }); });

the button in popup used invoke function .js file. button not working first time when popup opens when popup opens after closing popup esc button working right .

$("#popupadd").click(function() {     //  on submit button click close dialog box     $("#createform").dialog("close");     // set inserted vlaues     var item = $("#ddlitem").val().tostring();     var quantity = $("#quantity").val();     var price = $("#price").val();     var hdnid = $("#hdninvoiceid").val();     // call create action method     $.post('/purchaseinvoice/create', {             "ddlitem": item,             "quantity": quantity,             "price": price,             "hdninvoiceid": hdnid         },         function() {             alert("data saved successfully");             window.location.reload(true);          }); });

the partial view used popup on button click partial view called controller , showed in popup.

to selector work on item dynamically added page tie document this

$(document).on('click', '#popupadd', function(){...

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