c# - Adding a new row to jQuery datatable and posting data -


i've got datatable adding row this:

function addrow(controller) {     var table = $('#' + controller + '_data_table').datatable();      var index = table.rows()[0].length;      var previousrowdate = $("input[name='[" + (index - 1) + "].date']").val();     var userid = $("input[name='[" + (index - 1) + "].userid']").val();          var date = new date(previousrowdate.replace('-', ''));     date.setdate(date.getdate() + 1);      if (isnan(date)) {         date.setdate(new date());     }      var rownode = table         .row.add(["<input type='text' class='form-control daterangepicker' name='[" + index + "].date' value='" + moment(date).format("d-mmm-yyyy") + "'/>",             "<input type='text' class='form-control' name='[" + index + "].min'/>",             "<input type='text' class='form-control' name='[" + index + "].max'/>",                         "<input type='hidden' name='[" + index + "].userid' value='" + userid + "'/>"          ])         .draw()         .node();      $(rownode)         .css('color', 'red')         .animate({ color: 'black' });      $(".daterangepicker").datepicker(         {             dateformat: "dd-m-yy",             changemonth: true,             changeyear: true,             mindate: 0         }); }

this adds row, on button click post data datatable save db, this:

function update(controller) {     var table = $('#' + controller + '_data_table').datatable();      var model = table.$('*').serializearray();     $.each(model, function (i, fd) {         var value = fd.value;         value = value.replace(/\</g, "&lt;");  //for <         value = value.replace(/\>/g, "&gt;");   //for >          fd.value = value;     });      $.post("/" + controller + "/update", model)         .done(             function (data) {                  if (data.erroroccurred) {                     bootbox.alert(data.message);                 }                 else if (data.success) {                     bootbox.alert(data.message);                     $('#' + controller + '_update').prop('disabled', true);                 }                 $('#' + controller + '_details').html(data.view);             }); }

server side code:

[httppost]         public actionresult update(list<viewmodel> effort)         {             try             {                 effort.foreach(item =>                 {                     var effortindb = _context.targets.singleordefault(t => t.id == item.id);                     if (effortindb == null) return;                     effortindb.date = item.date;                     effortindb.min = item.min;                     effortindb.max = item.max;                 });                 _context.savechanges();                  return json(new                 {                     erroroccurred = false,                     message = ""                 });              }             catch (exception exception)             {                 return json(new                 {                     erroroccurred = true,                     message =                     $"an error occurred: {system.environment.newline}{exception.message}"                 });             }         }

the issue having userid 0 on server side code, event though i've created hidden field value of it.

i need id save in db


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