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Export Report from Report Server via .NET Client


Products Progress® Telerik® Reporting, Report Server


Telerik Report Server has its Web API exposed, allowing you to consume resources from third-party applications as an administrator, after logging in. You can find examples with JavaScript client in the REST API section of the online documentation:

The same JavaScript client can be written as a .NET client that executes requests and handles their response in code.


  1. Use the Report Server API Client for the .NET Framework we distribute with the installation of the Telerik Reporting product. The client's API reference can be found in Telerik.ReportServer.HttpClient.
  2. Create a custom .NET Framework, .NET Core or .NET client. The following solution demonstrates:

    • How to Login to the Report Server through the .NET client;
    • How to get a collection of all reports available on the report serve through the .NET client;
    • How to export a report available on the report server through the .NET client;
    • How to download the exported document through the .NET client;
    class Program
        static HttpClient client = new HttpClient();
        static string reportServerAddress = "http://localhost:83/";
        static string serverREStAPI = reportServerAddress + "api/reportserver/";
        static void Main(string[] args)
            Console.WriteLine("Demo started");
            Console.WriteLine("Demo ended");
        static async Task RunAsync()
            // Our .NET Client
            client.BaseAddress = new Uri(serverREStAPI);
            client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
            //log the user to allow further operations
            var userToken = LogIn("admin", "admin123");
            //authorize further requests
            client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", userToken);
            //list all reports
            var reports = await GetReportsAsync(serverREStAPI + "reports");
            //get document id for first report
            var firstReportId = reports[0]["Id"];
            var documentID = await ExportReportAsync(serverREStAPI + "documents", "PDF", firstReportId, "");
            //download PDF from documentID
            DownloadPDF(serverREStAPI + "documents/", documentID, false);
        //log user
        static string LogIn(string usernameInput, string passwordInput)
            var data = new FormUrlEncodedContent(new[]{
            new KeyValuePair<string, string>( "grant_type" ,"password" ),
                new KeyValuePair<string, string>( "username" , usernameInput ),
                new KeyValuePair<string, string>( "password" , passwordInput )
            // "grant_type=password&username=" + usernameInput + "&password=" + passwordInput;
            HttpResponseMessage response = client.PostAsync(reportServerAddress + "Token", data).Result;
            var serializer = new System.Web.Script.Serialization.JavaScriptSerializer();
            dynamic result = serializer.DeserializeObject(response.Content.ReadAsStringAsync().Result);
            return result["access_token"];
        //list categories
        static async Task<List<Dictionary<string, string>>> GetReportsAsync(string path)
            List<Dictionary<string, string>> reports = null;
            HttpResponseMessage response = await client.GetAsync(path);
            if (response.IsSuccessStatusCode)
                reports = await response.Content.ReadAsAsync<List<Dictionary<string, string>>>();
            return reports;
        //export in PDF a report
        static async Task<string> ExportReportAsync(string path, string format, string reportId, string parameterValuesJSONSerieliazed)
            var data = new { ReportId = reportId, Format = format, ParameterValues = parameterValuesJSONSerieliazed };
            HttpResponseMessage response = await client.PostAsJsonAsync(path, data);
            var serializer = new System.Web.Script.Serialization.JavaScriptSerializer();
            dynamic result = serializer.DeserializeObject(response.Content.ReadAsStringAsync().Result);
            return result["DocumentId"];
        //download PDF
        static void DownloadPDF(string path, string documentID, bool asAttachment)
            var queryString = "";
            if (asAttachment)
                queryString += "?content-disposition=attachment";
            string fileName = "test1.pdf";
            string folderName = System.IO.Path.GetTempPath();
            string filePath = System.IO.Path.Combine(folderName, fileName);
            using (System.Net.WebClient myWebClient = new System.Net.WebClient())
                myWebClient.DownloadFile(path + documentID + queryString, filePath);


Please note that this is not an end solution, but an example illustrating how to format a request to the Report Server and the type of information returned in responses. You can use any other client to submit requests and get responses by the Report Server.

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