// GET api/values public IHttpActionResult Get(string queryInfo) { if (string.IsNullOrEmpty(queryInfo)) { return(Ok(false)); } var queryJson = EncryptHelper.Base64Decode(queryInfo); var query = JsonConvert.DeserializeObject <QueryGridProvider>(queryJson); ProviderService providerService = new ProviderService(); var data = providerService.GetListProvider(query); return(Ok(data)); }