WCF webservice OR .net webservice

Posted on 2012-09-19
Medium Priority
Last Modified: 2012-09-26
I have  created a .net website which calls SSRS web service with a report name, and parameter, generates the report as a pdf document and saves it on a file server. This part is just for learning to use SSRS webservice to generate reports.

I now want to create my Reporting Web Service that will take an rdl file name and the parameter values to to run the report on  a predefined report server to generate the report in pdf format and return byte array for the file to the client.

Example: I have a report called CustomersByRegion on my report server that takes regionID as a parameter. The report shows all the customers in that region.

Now using my Reporting web service I want to be able to pass the rdl name 'CustomersByRegion' and RegionID 101, so this web service will use the SSRS web service to run the report with this parameter, generate a byte array for a pdf and return the byte array.

Is this possible? Do I need to create a WCF web service for this purpose or just a .net web service?

Question by:patd1
  • 2
LVL 18

Assisted Solution

DarrenD earned 1500 total points
ID: 38416909

Yes this is possible to do and you should use WCF.

You need to create a service contract that returns a byte array or Stream and then call your method to create the pdf from SSRS and then simply return the byte array.

Have a review of this for Stream

and this for byte[]...



Accepted Solution

patd1 earned 0 total points
ID: 38423056
I added byte[] GenerateSSRSReport(string memberID) operation to my wcf service

I also added service reference (as I did not see an option to add web reference) to myserver/ReportExecution2005.asmx?WSDL and /ReportService2005.asmx?WSDL

Now when I bring CreateReport code from my web application where it was working fine, I get several compilation errors in this method. I have marked these in the code. Please guide on how to resolve.  Thank You.

namespace MyReportService
    public class MyFaultException
        private string _reason;
        public string Reason
            get { return _reason; }
            set { _reason = value; }

    class DSCC_ReportService : IDSCC_ReportService
        #region IMyReportService Members

        public byte[] GenerateSSRSReport(string memberID)
            byte[] ReportLetter = CreateReport(memberID);
            return ReportLetter;
public static byte[] CreateReport(string member)
            string memberID = member;

            //RS2005.ReportingService2005 rs;  //compilation error in these 4 lines, so changed it to the code that follows  after these 4 lines commented out.
            //RE2005.ReportExecutionService rsExec;
            //rs = new RS2005.ReportingService2005();
            //rsExec = new RE2005.ReportExecutionService();

  RS2005.ReportingService2005SoapClient rs;
            RE2005.ReportExecutionServiceSoapClient rsExec;

            rs = new RS2005.ReportingService2005SoapClient();
            rsExec = new RE2005.ReportExecutionServiceSoapClient();            

            string deviceInfo = null;
            string format = "pdf";
            Byte[] results;
            string encoding = String.Empty;
            string mimeType = String.Empty;
            string extension = String.Empty;
            RE2005.Warning[] warnings = null;
            string[] streamIDs = null;

            string reportName = @"/Data Mgmt/Sample HAP Letter";
            string historyID = null;
            bool forRendering = false;
            RS2005.ParameterValue[] _values = null;
            RS2005.DataSourceCredentials[] _credentials = null;
            RS2005.ReportParameter[] _parameters = null;

           _parameters = rs.GetReportParameters(reportName, historyID, forRendering, _values, _credentials);  /compilation error here, not sure what to do. please guide.
                RE2005.ExecutionInfo ei = rsExec.LoadReport(reportName, historyID); //compilation errors
                RE2005.ParameterValue[] parameters = new RE2005.ParameterValue[1];

                if (_parameters.Length > 0)
                    parameters[0] = new RE2005.ParameterValue();
                    parameters[0].Label = "MemberID";
                    parameters[0].Name = "MemberID";
                    parameters[0].Value = memberID; 
                rsExec.SetExecutionParameters(parameters, "en-us"); //compilation error

                results = rsExec.Render(format, deviceInfo,
                          out extension, out encoding,
                          out mimeType, out warnings, out streamIDs);
                return results;     


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Author Closing Comment

ID: 38435956
Problem solved. Found the advanced tab on add serveic reference diaglogue, where I can add web refefrenc and the whole thing works.

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