Decimal value received 0 in WebMethod when using jQuery AJAX in ASP.Net

I am working with edmx and  adding gridview data into data base it will work fine when I add its data type varchar then value insert successfully but when I change its data type decimal or int then value insert into data base  but value should be empty means every time 0 value  will be insert.

follwoing my code.

Js ………………………
function AddGridviewData() {

    var AddRow = new Array();

    $('[id*=gridview]').find('tr:has(td)').each(function () {

       var NewRow = {};
        NewRow.ID = $(this).find("td:eq(0)").html();
        NewRow.Name = $(this).find("td:eq(1)").html();
        NewRow.height = $(this).find("td:eq(2)").html();
  
       AddRow.push(NewRow);
    
        });

    $.ajax({
        type: 'POST',
        url: "Default.aspx/AddDatabase",
        data: '{AddRow: ' + JSON.stringify(AddRow) + '}',
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: function (response) {
           alert("Data scessfully  saved ");
          window.location.reload();

         
            return false;
        }
        

    });
    return false;



};


///webmethod ///
public class Data
    {
        public  int ID { get; set; }
        public string Name { get; set; }
        public decimal height { get; set; }
      

    }

    [System.Web.Services.WebMethod]

    public static void AddDatabase (List<Data> AddRow)
    {

        using (var db = new MyEntities())

            foreach (Data NewRow in AddRow)

                    {
                        db.StoredProcedure1(
                          NewRow.ID,
                            NewRow.Name,
                            NewRow.height

                           );


                    }


                }

When I add its type varchar then it will work fine when it place decimal or int cann’t insert value only 0 insert every time please help me to solve it.