MVC Ajax function call twice - ajax

Question

I have a problem with an ajax function. I want to send param to method on controller and this 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) {
})
});
})

Answer 1

$(".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) {
})
});
?

Answer 2

<th>
Start date: #Html.TextBox("start_date", null, new { #class = "dateClass start", id = "StartDate" })
End date: #Html.TextBox("end_date", null, new { #class = "dateClass end", id = "EndDate", #data_toggle = "popover", #data_content = "End date should be greater than Start date. ", #title = "Attention" })
#Html.ActionLink("Export Report", "Report_CLeav", "Reports", new { #class = "IndexButton exp", #style = "text-decoration: none;color:white" })
</th>
"Controller"
public class ReportsController : Controller
{
// GET: Export
public ActionResult Index()
{
return View();
}
public void Report_CLeav(DateTime ?start_date, DateTime ? end_date)
{
string path = HttpContext.Server.MapPath("~/App_Data/reports/Report_LeavingCompanyHCT.xlsx");
Models.Report.Report_CompLeav reportcompleav = new Models.Report.Report_CompLeav();
var fileinfo = new FileInfo(path);
using (ExcelPackage package = new ExcelPackage(fileinfo))
{
var currentWorksheet = package.Workbook.Worksheets["HC"];
using (var excelToExport = new ExcelPackage())
{
excelToExport.Workbook.Worksheets.Add(currentWorksheet.Name, currentWorksheet);
var workBook = excelToExport.Workbook.Worksheets["HC"];
try
{
workBook = reportcompleav.exportAllEmployeeDataRRecords(workBook,start_date,end_date);
}
catch (Exception e)
{
ViewBag.IsError = true;
}
excelToExport.Save();
Stream stream = excelToExport.Stream;
var memoryStream = stream as MemoryStream;
Response.Clear();
Response.ContentType = "application/vnd.openxmlformats";
Response.AddHeader("Content-Disposition",
"attachment; filename=" + fileinfo.Name);
Response.BinaryWrite(memoryStream.ToArray());
}
}
}
}
}