public string GetCars() { string result = "\"["; string json = JsonConvert.SerializeObject(this); DataTable dt = new DataTable(); dt = GlobFuncs.getCarsApis(); foreach (DataRow row in dt.Rows) { string res = GetApi.PostApi(json, row["ApiAddress"].ToString() + "CarsBLL"); if (res.Length > 0) { res = res.Replace("}", ",\\\"Company\\\":" + row["CompanyId"] + "\\r\\n }"); res = res.Substring(2, res.Length - 4) + ","; result = result + res; } } result = result.Substring(0, result.Length - 1); result = result + "]\""; return(result); }