关于模版列中 DropDownExtender的问题

wzllin 2010-11-17 01:11:35

<asp:TemplateField HeaderText="单价">

                                                <ItemTemplate>                                                 <asp:UpdatePanel ID="UpdatePanel1" runat="server">  <ContentTemplate>       

     <asp:TextBox  ID="txtckj" runat="server"></asp:TextBox> 

      <asp:Panel ID="Panel1" runat="server" Style="display :none; visibility: hidden;" CssClass="ContainPanel"> 

      </asp:Panel>

     <ajaxToolkit:DropDownExtender ID="ddlckj" runat="server" TargetControlID ="txtckj" DropDownControlID="Panel1">

        </ajaxToolkit:DropDownExtender>

        </ContentTemplate>

     </asp:UpdatePanel>                                           </ItemTemplate>

                                                <HeaderStyle Width="10%" />

                                            </asp:TemplateField>





    protected void gvKC_RowDataBound(object sender, GridViewRowEventArgs e)

    {

        if (((TextBox)e.Row.FindControl("txtckj")) != null)

        {

            UpdatePanel UpdatePanel = (UpdatePanel)e.Row.FindControl("UpdatePanel1");          

            string ymbh = ((Label)e.Row.FindControl("lblymbh")).Text;

            string sql;

            sql = " SELECT  dj from table ";

            DataSet ds;

            ds = SqlHelper.DataSet(SqlHelper.connectionString, CommandType.Text, sql);     

            for(int i=0;i<=ds.Tables[0].Rows.Count-1;i++)

            {

                LinkButton lbtn = new LinkButton();

                lbtn.ID = ymbh + i.ToString();

                lbtn.Text = ds.Tables[0].Rows[i]["dj"].ToString();

                lbtn.Click += new EventHandler(lbtn_Click);

                lbtn.CssClass = "link";

                

                Panel1.Controls.Add(lbtn);

                AsyncPostBackTrigger trigger = new AsyncPostBackTrigger();

                trigger.ControlID = lbtn.ID;

                trigger.EventName = "Click";

                UpdatePanel.Triggers.Add(trigger);

            }

        }

    }



    private void lbtn_Click(object sender, EventArgs e)

    {

    

        txtckj.Text = (sender as LinkButton).Text;

    }