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Publishing Crystal Report as a Web Service

, 11 Aug 2004
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A code walk to expose a Crystal Report as a Web Service.

Introduction

Web services would be a convenient way of distributing reports, and additional security features can be installed. Being a web service, it is platform neutral and can be accessed from other OS. This 'CodeWalk' is to illustrate the ease with which such such a distribution can be accomplished. The article shows the mechanics of creating a web service, and then it shows how to access this service from a WebForm. This access is not limited to a WebForm, it can also be through a console client, but a different procedure has to be adopted.

On Publishing a Crystal Report as a Web Service

Crystal report as a web service:

Start a new project in Visual Studio [Microsoft Development Environment 2003 Version 7.1.3088]. Choose the web service project template [WebSvc2]. Remove the default file 'service1.asmx'. Import the Crystal Report file into the WebSvc2 folder [ParQry.rpt]. Right click this Crystal Report and pickup 'Publish as web service' from the pop-up menu. Now the service ParQryService.asmx is created. Choose ParQryService.asmx as initial start page and build the solution. Right click and pick up 'View in browser'. You will see the following web page:

On this page, all permitted operations will be listed as shown above. Click on 'Service Description' on this web page, this is the so called '*.wsdl' file, a file that can locate the service: 'http://localhost/WebSVC2/ParQryService.asmx?WSDL'.

The project folder for the web service so created is as shown here:

The Crystal Report published as a service will be available at the website for the above query string.

Testing the functionality of the Web Service

Web Service test rig:

Create a web application [WebSvc2Test]. To the WebForm1.aspx, add a CrystalReportViewer control from the tool box. Add a Button to the page, set Text property of the Button to 'Test Web Crystal Service'. Make some changes to the properties of the CrystalReportViewer1 as shown in this screen shot.

To the Button's Click event, add the following code:

Private Sub Button1_Click(ByVal sender As System.Object, _
          ByVal e As System.EventArgs) Handles Button1.Click
    CrystalReportViewer1.ReportSource = _
     "http://localhost/WebSVC2/ParQryService.asmx"
End Sub

This sets up the source for the CrystalReportViewer to be fed from the web service called 'ParQryService', on the localhost web site. Build the solution and view the page on the browser. The browser page on loading will appear as in this picture:

Now, click the button and you will be getting the Crystal Report published as a service on the local host, as shown here:

Crystal Report from Web Service

Now, the overall folder structure of the test rig project is shown here:

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

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About the Author

mysorian
Technical Writer Hodentek
United States United States
Worked in the area of electrical discharges, high energy lasers, high voltage technology, plasma technology, lithography, thin film plastics, superconducting thin films, diamond thin films, electron accelerators, and free electron lasers for several years. Mentored/guided MS and PhD students at several universities in USA, Brazil, Australia, and India.
Reading books and photography are my hobbies.
 
Also trained workforce clients with legacy computer skills in web related technologies.
 
I recently authored a beginner level book on MS SQL Server Integration Services. Details available at the following link:
 
http://www.packtpub.com/sql-server-integration-services-visual-studio-2005/book
 
My second book was released in 2008
Learn SQL Server Reporting Services 2008
 
Get book details at the following site:
http://www.packtpub.com/learning-sql-server-2008-reporting-services/book
 
This is for anyone who is interested in Reporting Services a la Microsoft. It has over 50 hands-on exercises and covers all aspects of Reporting Services.
 
Recent new books:
 
Microsoft SQL Azure Enterprise Application Development 2010
-A Comprehensive book on SQL Azure
 
Microsoft Visual Studio LightSwitch Business Application Development 2011
A step-by-step approach that is sure to work
 
Learning SQL Server Reporting Services 2012 Packt Publishers, ISBN: 978-1-84968-992-2 , 2013
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Comments and Discussions

 
QuestionShowing Graphs... Pinmembershiber1222-Feb-09 21:00 
QuestionCrystal Reports Web Service Return PDF Stream Pinmemberabiondo12-Apr-07 10:41 
AnswerRe: Crystal Reports Web Service Return PDF Stream Pinmembermysorian12-Apr-07 11:28 
QuestionUse in WinForms Pinmemberthe bill19-Mar-07 22:29 
AnswerRe: Use in WinForms Pinmembermysorian20-Mar-07 2:28 
GeneralError when consuming Report from a webservice Pinmembermew_lobo16-Jul-06 16:42 
Hi,
 
I'm using Visual Studio.Net 2005 with Crystal reports. I tried the tutorial on Publishing and consuming a report as a webservice from MSDN. When I run the windows form, I get error messages saying that the report failed to load. It works fine if I give the file path to the .rpt file, but when its been published as a webservice and I give the URL, I get the error. I have all the sample reports and database(MS Access Db). If anyone knows, plz let me know.
 
Thx,

 
Mahesh
GeneralRe: Error when consuming Report from a webservice Pinmembermysorian16-Jul-06 17:18 
GeneralRe: Error when consuming Report from a webservice Pinmembermew_lobo16-Jul-06 21:44 
QuestionPublish Crystal Reports to Web PinmemberDoug726-Mar-06 8:28 
AnswerRe: Publish Crystal Reports to Web Pinmembermysorian6-Mar-06 9:07 
GeneralRe: Publish Crystal Reports to Web PinmemberDoug726-Mar-06 10:09 
GeneralRe: Publish Crystal Reports to Web [modified] Pinmemberitmanager881526-May-08 12:00 
GeneralRe: Publish Crystal Reports to Web Pinmembermysorian26-May-08 12:08 
GeneralLive Data Pinmembercman19737-Oct-05 5:30 
GeneralRe: Live Data Pinmembermysorian7-Oct-05 5:37 
GeneralRe: Live Data Pinmembercman19737-Oct-05 5:50 
GeneralRe: Live Data Pinmembermysorian7-Oct-05 6:07 
GeneralRe: Live Data Pinmembercman19737-Oct-05 6:13 
Generalhi,crystal web service PinsussAnonymous28-Jul-05 1:22 
GeneralRe: hi,crystal web service Pinmembermysorian28-Jul-05 2:00 
GeneralRe: hi,crystal web service Pinmemberm.sreenivas22-Aug-07 0:20 
GeneralRe: hi,crystal web service PinmemberNarayanan Dayalan13-Sep-07 1:32 
Generalruntime customization PinsussBobbyKumar18-Feb-05 5:49 
GeneralRe: runtime customization Pinmembermysorian18-Feb-05 6:25 
GeneralMove on Credentials PinmemberSDSimonsen27-Oct-04 4:16 
GeneralRe: Move on Credentials Pinmembermysorian27-Oct-04 9:50 
GeneralExporting report output in different format PinsussAnonymous27-Sep-04 4:34 
GeneralRe: Exporting report output in different format Pinmembermysorian27-Sep-04 5:55 
Generalpassing parameter Pinmembercodefranz20-Aug-04 5:51 
QuestionRe: passing parameter PinmemberCarl B i know nothing11-Jun-07 5:32 
QuestionParQry.rpt? Pinmemberjjsj18-Aug-04 10:39 
AnswerRe: ParQry.rpt? Pinmembermysorian27-Sep-04 5:32 

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