public void GetCompany()
        {
            CompanyClass com = new CompanyClass();
              company comp =com.getCompanyByName(Request.Form["name"]);
              if (comp != null)
              {
              Response.Write("success," + comp.name + "," );
              foreach (product p in comp.products)
              {

                  Response.Write(p.name+"&&"+p.price+" ج &&"+p.enterDate.ToString("yyyy-MM-dd")+"&&");

                  int currentCost = 0;
                  foreach (productPay pp in p.productPays)
                  {
                      currentCost += pp.cost;
                      Response.Write(pp.cost + " ج %%" + pp.payDate.ToString("yyyy-MM-dd")+"%%"+pp.id+"##");
                  }

                  Response.Write("&&" + currentCost + " ج &&" + p.notes + "&&"+p.id+ "^^");
              }
              }
              else
              {
              Response.Write("fail");
              }
        }