model view controller - MVC Ajax function call twice -

i have problem ajax function. want send param method on controller , ajax function call method twice.

ajax:

$(document).ready(function () {       $(document).on('click', '.exp', function (e) {          var st_date = $(this).parent().find('.start').val();         var ed_date = $(this).parent().find('.end').val();          $.ajax({               url: '/reports/report_cleav/',              data: {                 start_date:st_date,                 end_date:ed_date                 }         }).success(function (data) {               })      });  }) 

$(".exp").click(function() {

        var st_date = $(this).parent().find('.start').val();         var ed_date = $(this).parent().find('.end').val();          $.ajax({               url: '/reports/report_cleav/',              data: {                 start_date:st_date,                 end_date:ed_date                 }         }).success(function (data) {               })    }); 

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