// 工作单创建明细加载数据库
private void GetCha()
{
BLL.WorkOrderBLL orderBLL = new WorkOrderBLL();
var table = orderBLL.getCha();
JavaScriptSerializer js = new JavaScriptSerializer();
var rs = js.Serialize(table);
HttpContext.Current.Response.Write(rs);
HttpContext.Current.Response.End();
}