how to bing object to kendo grid

[Meysam]

this is my code:

<WebMethod()>

    Public Shared Function getperson() As String

        Dim query = db.Employees.Select(Function(q) New With {q.EmployeeID, q.LastName, q.BirthDate})

        Dim sb As New StringBuilder

        For Each rows In query

            sb.Append(rows.EmployeeID & ":" & rows.LastName & ",")

        Next

        Return Convert.ToString(sb)

    End Function

how to bind  "getperson" to kendo grid
thanks in advanced

[Meysam]

finally i pass "getperson" method to jquery with this code:

<script type="text/javascript">

        $(document).ready(function () {

            var msgbox = $("#status");

            $("#btnrefresh").click(function () {

                $.ajax({

                    type: "POST",

                    url: "Default.aspx/getperson",

                    data: "{}",

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

                    dataType: "json",

                    success: function (msg) {

                        msgbox.text(msg.d);

                    }

                });

            });

        });

    </script>

now how to use in kendo grid?
sorry for my bad english