TableAdapter Join table ไม่สามารถ Update ได้ ต้องทำอย่างไรหรอครับ

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using WebApplication2.DataSet2TableAdapters;

namespace WebApplication2
{
    [System.ComponentModel.DataObject]
    public class DetailRepair
        {

        public DetailRepair()
        {

        }

        private DetailRepairTableAdapter _detailRepairAdapter;
        public DetailRepairTableAdapter Adapter
        {
            get
            {
                if (_detailRepairAdapter == null)
                {
                    _detailRepairAdapter = new DetailRepairTableAdapter();
                }
                return _detailRepairAdapter;
            }
        }

        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Select, true)]
        public DataSet2.DetailRepairDataTable GetAll(string Repair_id,int? listRepair_no)
        {
            return Adapter.GetDataDetailById(Repair_id,listRepair_no);
        }
        [System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Update, true)]
        public bool UpdateDetailRepair(string Repair_id,string listrepair_status,int? listRepair_no,string technician_name,string listRepair_date_start,string listRepair_date_end,string listRepair_about,string listRepair_comment)
        {
            DataSet2.DetailRepairDataTable dtReps = Adapter.GetDataDetailById(Repair_id,listRepair_no);

            if (dtReps.Count == 0)
            {
                return false;
            }
            DataSet2.DetailRepairRow rep = dtReps[0];
            if (listrepair_status == null)
            {
                rep.SetlistRepair_statusNull();
            }
            else
            {
                rep.listRepair_status = listrepair_status;
            }

            if (technician_name == null)
            {
                rep.Settechnician_nameNull();
            }
            else
            {
                rep.technician_name = technician_name ;
            }

            if (listRepair_date_start == null)
            {
                rep.SetlistRepair_date_startNull();
            }
            else
            {
                rep.listRepair_date_start = listRepair_date_start;
            }

            if (listRepair_date_end == null)
            {
                rep.SetlistRepair_date_endNull();
            }
            else
            {
                rep.listRepair_date_end = listRepair_date_end;
            }

            if (listRepair_about == null)
            {
                rep.SetlistRepair_aboutNull();
            }
            else
            {
                rep.listRepair_about = listRepair_about;
            }

            if (listRepair_comment == null)
            {
                rep.SetlistRepair_commentNull();
            }
            else
            {
                rep.listRepair_comment = listRepair_comment;
            }

            int rowsAffected = Adapter.Update(rep);
            return (rowsAffected==1);
        }
        public void Update(DataSet2.DetailRepairRow row)<<<<< อันนี้ผมลอง สร้าง method update ตามตัวอย่างพี่ครับ
        {
            Adapter.Update(row.listRepair_status, row.listRepair_date_start, row.listRepair_date_end,row.listRepair_about,row.listRepair_comment);
        }
    }
}

<%
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
            DataSourceID="ObjectDataSource1">
            <Columns>
                <asp:CommandField ShowEditButton="True" />
                <asp:BoundField DataField="Teacher_name" HeaderText="Teacher_name" 
                    SortExpression="Teacher_name" />
                <asp:BoundField DataField="Repair_date_start" HeaderText="Repair_date_start" 
                    SortExpression="Repair_date_start" />
                <asp:BoundField DataField="listRepair_no" HeaderText="listRepair_no" 
                    SortExpression="listRepair_no" />
                <asp:BoundField DataField="Computer_name" HeaderText="Computer_name" 
                    SortExpression="Computer_name" />
                <asp:BoundField DataField="listRepair_problem" HeaderText="listRepair_problem" 
                    SortExpression="listRepair_problem" />
                <asp:BoundField DataField="listRepair_room" HeaderText="listRepair_room" 
                    SortExpression="listRepair_room" />
                <asp:BoundField DataField="listRepair_status" HeaderText="listRepair_status" 
                    SortExpression="listRepair_status" />
                <asp:BoundField DataField="technician_name" HeaderText="technician_name" 
                    SortExpression="technician_name" />
                <asp:BoundField DataField="listRepair_id" HeaderText="listRepair_id" 
                    SortExpression="listRepair_id" />
                <asp:BoundField DataField="listRepair_date_start" 
                    HeaderText="listRepair_date_start" SortExpression="listRepair_date_start" />
                <asp:BoundField DataField="listRepair_date_end" 
                    HeaderText="listRepair_date_end" SortExpression="listRepair_date_end" />
                <asp:BoundField DataField="listRepair_about" HeaderText="listRepair_about" 
                    SortExpression="listRepair_about" />
                <asp:BoundField DataField="listRepair_comment" HeaderText="listRepair_comment" 
                    SortExpression="listRepair_comment" />
            </Columns>
        </asp:GridView>
        <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" 
            OldValuesParameterFormatString="{0}" SelectMethod="GetAll" 
            TypeName="WebApplication2.DetailRepair" UpdateMethod="UpdateDetailRepair">
            <UpdateParameters>
                <asp:Parameter Name="listrepair_id" Type="String" />
                <asp:Parameter Name="listrepair_status" Type="String" />
                <asp:Parameter Name="listrepair_no" Type="Int32" />
                <asp:Parameter Name="technician_name" Type="String" />
                <asp:Parameter Name="listRepair_date_start" Type="String" />
                <asp:Parameter Name="listRepair_date_end" Type="String" />
                <asp:Parameter Name="listRepair_about" Type="String" />
                <asp:Parameter Name="listRepair_comment" Type="String" />
            </UpdateParameters>
            <SelectParameters>
                <asp:QueryStringParameter DefaultValue="Repair_id" Name="Repair_id" 
                    QueryStringField="Repair_id" Type="String" />
                <asp:QueryStringParameter DefaultValue="listRepair_no" Name="listRepair_no" 
                    QueryStringField="listRepair_no" Type="Int32" />
            </SelectParameters>
        </asp:ObjectDataSource>
%>

public void ObjectDataSource1_Updating(object sender, ObjectDataSourceMethodEventArgs e)
        {
            DataSet2.DetailRepairRow row = DataSet2.DetailRepairRow.NewDetailRepairRow(); 
            //row.listRepair_id = e.InputParameters["listRepair_id"].ToString();
            row.listRepair_status = e.InputParameters["listRepair_status"].ToString();
            //row.listRepair_no = Convert.ToInt16(e.InputParameters["listRepair_no"]);
            row.technician_name = e.InputParameters["technician_name"].ToString();
            row.listRepair_date_start = e.InputParameters["listRepair_date_start"].ToString();
            row.listRepair_date_end = e.InputParameters["listRepair_date_end"].ToString();
            row.listRepair_about = e.InputParameters["listRepair_about"].ToString();
            row.listRepair_comment = e.InputParameters["listRepair_comment"].ToString();

            e.InputParameters["row"] = row;

            //e.InputParameters.Remove["listRepair_id"];
           //e.InputParameters.Remove["listRepair_status"];
           //e.InputParameters.Remove["listRepair_no"];
}

public void Update(DataSet2.DetailRepairRow row)
        {
            Adapter.Update(row.listRepair_status,row.technician_name, row.listRepair_date_start, row.listRepair_date_end,row.listRepair_about,row.listRepair_comment);
        }