Multiple Checkbox selection using array and passing it to controller

$.each(college, function () {

                t = t + "<tbody><tr><td>" + sno + "</td><td>" + this.collegeName + "</td><td>" + this.Ad_cperson + "</td><td>" + this.Ad_contactNo + "</td><td>" + this.Ad_cEmail + "</td><td>

<input id=" + this.collegeCode + " type='checkbox' value=" + this.collegeCode + " /> </td></tr></tbody>";

              

                sno++;

            });

  $('#btnCommon').live("click", function () {//0

                var myarray = [];

                var i = 0;

                var action = $('#btnCommon').val();

                $('input:checkbox').each(function () {

                    if (this.checked) {

                        i = i + 1;

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

                    }

                });

                if (i > 0) {

                    if (action == "Approve") {

                        alert("approve");

                        $.ajax({//1

                            url: '@Url.Action( "ApproveColleges", "Admin")',

                            data: { values: myarray.toString() },

                            type: 'POST',

                            dataType: 'json',

                            success: function (response) {//2

                                if (response.College != null) {//3

                                    college = response.College;

                                    fillGrid(college);

                                } //3

                            } //2

                        }); //1

                    }

                        //---------------------------------just for display

                               for (var j in myarray)

   {

                                 alert(myarray[j]);

                               }

            }); //0

In controller

[HttpPost]

        public ActionResult ApproveColleges(string values)

        {

                      

            return Json(new { College = obj.approveColleges(values) });

        }

In Model

public List<College> approveAgainColleges(string code)

        {

           

                string[] s = code.Split(',');

                for (int i = 0; i < s.Length; i++)

                {

                    string x = s[i];

                    conCheck();

                    SqlCommand cmd = new SqlCommand();

                    cmd.Connection = sqlcon;

                    cmd.CommandType = CommandType.StoredProcedure;

                    cmd.CommandText = "[ApproveAgainColleges]";

                    cmd.Parameters.AddWithValue("@code", x);

                    cmd.ExecuteNonQuery();

                }

                sqlcon.Close();

}