private List <string> Get_Lic_Data() { List <string> retData = new List <string>(); try { string Prc_id = GetProc_Id(); string HDD_id = GetHardDiskSerialNo(); string OS_id = GetOSSerialNo(); string Comp_data = ""; Database.ConnStr db = new Database.ConnStr(); DataTable dtbl = db.GetCompInfo(); if (dtbl.Rows.Count > 0) { retData.Add(dtbl.Rows[0]["ID"].ToString()); retData.Add(dtbl.Rows[0]["Client_Name"].ToString()); retData.Add(dtbl.Rows[0]["Client_Place"].ToString()); retData.Add(dtbl.Rows[0]["Mobile_No"].ToString()); retData.Add(dtbl.Rows[0]["Lic_info"].ToString()); retData.Add(dtbl.Rows[0]["Lic_Status"].ToString()); Comp_data = dtbl.Rows[0]["Client_Name"].ToString() + dtbl.Rows[0]["Mobile_No"].ToString(); } retData.Add(Prc_id + HDD_id + OS_id + Comp_data); } catch { } return(retData); }