face a null value.

Question

I have use this code for delete multiple entry on button click.But i have face null value(Id).Please check this code

It's me jquery code

function confirmDelete() {

debugger;

var EducationalId = [];

$(".chk:checked").each(function (i, y) {

debugger;

EducationalId.push($(this).val());

});

swal({

title: "Confirmation?",

text: "Are you sure you want to delete record?",

type: "warning",

confirmButtonClass: "btn-danger",

showCancelButton: true,

confirmButtonText: "Yes",

closeOnConfirm: false

},

function (isConfirm) {

if (!isConfirm) return;

$.ajax({

url: "DeleteImageData",

type: "POST",

data: JSON.stringify(EducationalId),

contentType: 'application/json; charset=utf-8',

datatype: 'json',

success: function () {

swal({

title: "Done", text: "Image deleted successfully",

type: "success"

}, function () {

location.reload();

});

},

error: function (xhr, ajaxOptions, thrownError) {

swal("Error deleting!", "Please try again", "error");

}

});

});

};

it's me mvc code  public IActionResult DeleteImageData(int[] EducationalId) Here we have face a issue (Id is 0)

it's me button click 

<button type="submit" class="btn btn-danger btndelete" onclick="confirmDelete()" id="@Model.EducationalId"><i class="fa fa-trash"></i> Delete</button>

 

 

Please check this