Crystal Reports not rendering when webpage is served outside of network

Question

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Here's the scenario:

Windows Server 2003 SP2
Hosting ASP.NET web application Framework 4.0 that uses Crystal reports Viewer to render Crystal Reports Version=13.0.2000.0

Yes, I have installed Crystal Reports Runtime Engine for .NET Framework 4 (32-bit)

I can see that all of my crystal reports render just fine when accessing the web application locally (http://localhost/myApp.aspx), but when I access the application from outside of the network, my crystal report viewer will not render the crystal reports. I do not get an exception, it just doesn't render. I have deployed this exact same web application to other servers (including Windows Server 2003) without a hitch. I am at the end of my rope and out of ideas. I have tried everything under the sun regarding permissions to the virtual directory, uninstalling and reinstalling CR Runtime, etc). Of course, I've scoured the web, maybe left the right stone unturned, you know the drill.

Help me, codeproject friends, you're my only hope...

Update: 11/22/2011: When I browse the application from within IIS, I get the following error:

'Sys.Application' is null or not an object

URL http://localhost/aspnet_client/system_web/4_0_30319/crystalreportviewers13/crviewer/crv.js

Posted 21-Nov-11 11:01am

jasonHall

Updated 22-Nov-11 7:45am

v3

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3 solutions

Solution 1

When you are adding Ajax Toolkit components to your website, like DLLs and the actual controls and it compiles ok but when you render the page you get no action and a javascript error. To resolve it, you need to add references at httpHandlers section in web.config.

XML

<httpHandlers>
 <remove verb="*" path="*.asmx"/>
 <add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
 <add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/>
</httpHandlers>
<httpModules>
 <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"/>
</httpModules>

Posted 22-Nov-11 16:46pm

Ganesan Senthilvel

Comments

jasonHall 30-Nov-11 13:09pm

Unfortunately, this modification did not resolve the javascript error, nor did it help with my crystal reports viewer issue. I should note that I only see the javascript error when browsing the web application from IIS via the browse option. Again, the Crystal report viewer renders the reports fine when accessed locally, but from outside the network, the crystal reports do not render. This has to be some sort of network issue, right?

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emrah kasal · Accepted Answer · 2015-10-12T20:51:00

Still If you have a problem with this issue:

1. Open the the page that the empty report renders from your browser. Find console errors using dev. tool of your browser (f12)

2. You will see that some of the scripts and css related with crystal reports does not exists under the correct folders.

For example: crystal reports looking for v4.XX81 but you have v4.xx79 on hand. Than make clone of that folder and rename v4.XX81

jasonHall · Accepted Answer · 2012-04-05T05:53:00

After a lot of headaches, I was able to resolve this issue. This is what I did and how I got the issue resolved.

I installed this same .NET web application on another Windows 2008 Small Business. I did it a little differently this time, though. Instead of using the default web site in IIS for the creation of a virtual directory, I had to use the Create Web Site Wizard in IIS to generate a new database. I chose framework 4 integrated application pool, btw. I browsed to the application and once again, the crystal report viewer would not work.

Some other forum threads suggested changing your web.config and essentially telling the assembly where to find the crystalreportviewer13 runtime engine support files. This is what clued me into what exactly is going on. The crystal report viewer doesn't know how to render with out these script files, css files, etc. If it can't find the path to these files, it can't render the crystal report viewer. How I understand it is the crystal report viewer is dependent upon the runtime engine installation files for .NET Framework 4 (32 & 64 bit installs). These assembly files don't get included in your .NET project. I think that is a HUGE oversight by Visual Studio --- why not include ALL files required to run your object!?!? Sorry, anyway, here's all I did:

1) Go to the C\inetpub\wwwroot folder on any machine that has either/or crystal report runtime engine installations. For my purposes, I just went to the one on the 2008 server I'm installing on.

2) Copy the aspnet_client folder in the wwwroot directory.

3) Paste this folder in the website directory folder. I assume this would work with a web application that was created from a virtual directory as well, just paste it into the virtual directory.

You may be able to avoid this by creating all of the necessary folders and sub folders, then copying over each file into your web application project on your development machine, in order to include them in your published, complied web application. If this is confusing, just perform the steps above in the deployment environment.

Here's my forum post on SAP:

Crystal Reports not rendering when webpage is served outside of network

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