针对Repeater里的Button控件进行点击后置为disabled的代码片断

foreach (RepeaterItem BT_Insert in rp_UploadTxt_List.Items)
        {
            Button bt_1 = (Button)BT_Insert.FindControl("bt_insert");
            bt_1.Attributes.Add("onclick", "this.value='Please wait';this.disabled = true;" + ClientScript.GetPostBackEventReference(bt_1,null));
        }