public bool DelEquipment(string device_id) { bool suc = false; device_id = "'" + device_id + "'"; Equipment _operator = new Equipment(); suc = _operator.DelDevice(device_id); //return _operator.Delete(" Company_ID = " + Convert.ToInt32(companyid)); if (suc) { Application["App_Mis_Equipment"] = CommonLib.GetDevice(); } return suc; }