function genVoucherGroupSelect(rowID){
  return $(strVoucherGroupSelect).attr("id", "sl_" + rowID).parent().html();  //返回增加ID后的下拉框完整html
}
function getVoucherGroupData(){
  $.ajax({
    type: "Post",
    url: "/BillWeb/OrgVoucher/GetVoucherGroup",
    dataType: "json",
    data: "",
    cache: true,
    success: function(res) {
        var str = $("<select></select>");
        var option = "";
        for(var j =0;j < res.length; j++)
        {
          option += "<option value=\"" + res[j].Value + "\">" + res[j].Text + "</option>";
        }
        strVoucherGroupSelect = $(str).html(option).parent().html();
    }
  });
}

$().ready(function(){
    getVoucherGroupData();
  });

$("#divID").append(genVoucherGroupSelect(rowID) );

$("#sl_0" + rowID).bind("change", function(){
   alert("你点击了下拉框");
})