[Solved] jQuery Ajax undefined error in ASP.Net

Here i am getting error on calling data to edit controls from database using ajax json

No specific error message is shown. when i click edit control i am getting pop up error as undefined.

i.e.... localhost:23343 says: 'undefined'

[System.Web.Services.WebMethod]
public Employee[] getemployee()
{
    List<Employee> emp = new List<Employee>();
    SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["con11"].ConnectionString);
    SqlCommand cmd = new SqlCommand("select * from employee", con);
    DataTable dt = new DataTable();
    SqlDataAdapter ada = new SqlDataAdapter();
    ada.SelectCommand = cmd;
    cmd.Connection = con;
    ada.Fill(dt);
    foreach (DataRow dtrow in dt.Rows)
    {
        Employee em = new Employee();

        em.id = Convert.ToInt32(dtrow["id"].ToString());
        em.name = dtrow["name"].ToString();
        em.email = dtrow["email"].ToString();
        em.address = dtrow["address"].ToString();

        emp.Add(em);
    }
    return emp.ToArray();
}

[System.Web.Services.WebMethod]
public Employee[] edit(string id)
{
    //  string message;
    List<Employee> emp = new List<Employee>();

    SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["con11"].ConnectionString);
    SqlCommand cmd = new SqlCommand("select id,name,address from employee where id=@id", con);
    cmd.Parameters.AddWithValue("@id", id);
    SqlDataAdapter ada = new SqlDataAdapter();
    DataTable dt = new DataTable();

    ada.SelectCommand = cmd;
    cmd.Connection = con;
    ada.Fill(dt);
    foreach (DataRow dtrow in dt.Rows)
    {
        Employee em = new Employee();

        em.id = Convert.ToInt32(dtrow["id"].ToString());
        em.name = dtrow["name"].ToString();
        em.email = dtrow["email"].ToString();
        em.address = dtrow["address"].ToString();

        emp.Add(em);
    }
    return emp.ToArray();
}

$(document).ready(function () {            
    getdata();
});
function getdata(){
    $.ajax({
        type: "POST",
        contentType: "application/json; charset=utf-8",
        url: "/WebService.asmx/getemployee",
        data: {},
        dataType: "json",
        //traditional: true,
        async: false,
        success: function (data) {
                var table=$("#table1");
            var rows = "";
            for (var i = 0; i < data.d.length; i++) {
                        
                rows += "<tr><td>" + data.d[i].name+"</td>"
                    + "<td>" + data.d[i].email + "</td>"
                    + "<td>" + data.d[i].address + "</td>"
                //  + "<td>" + '<img class=width=100px height=100px src="data:image/jpg;base64,' + data.d[i].byteImage + '"/>' + "</td>"
                    + "<td>" + '<a href=# id=edit1 onclick=edit("' + data.d[i].id + '")>edit</a>' + "</td>"
                    +"</tr>"

            }
            table.append(rows);
        },
        error: function ()
        {
            alert("error");
        }
    })
}
function edit(id) {
    // var id = 177;
    //alert(id);
    $.ajax({
        type: "post",
        contentType: "application/json; charset=utf-8",
        url: "/WebService.asmx/edit",
            data: '{id:"'+id+'"}',
        dataType: "json",
        //traditional: true,
        //  async: false,
        success: function (data) {
            $("#name1").val(data.d.name);
                $("#address1").val(data.d.address);
            $("#email1").val(data.d.email);
        },
        error: function () {
            alert("error");
        }
    })
}