Control the / interact with Report Viewer via Javascript

Hi
i have some questions about client control of the report viewer. I would want to use some custom buttons in order to use the report viewer functionalities, as an example to print, or to known when a customer leaf through the report pages saving something in a javascript variable.
Is it possible to interact with the report viewer? There is a reference text?
Thanks

I've never done it with JavaScript, but you could use the built in events to keep track of some information about report navigation. Some of the available events are below.
CrystalReportViewer Events
Description
CrystalReportViewerBase.AfterRender Event
(Inherited from CrystalReportViewerBase Class.) Event fires when the report rendering process is finished.
CrystalReportViewerBase.AfterRenderContent Event
(Inherited from CrystalReportViewerBase Class.) Event fires when the report content rendering process is finished.
CrystalReportViewerBase.AfterRenderObject Event
(Inherited from CrystalReportViewerBase Class.) Event fires when the report object rendering process is finished.
CrystalReportViewerBase.BeforeRender Event
(Inherited from CrystalReportViewerBase Class.) Event fires when the report rendering process starts.
CrystalReportViewerBase.BeforeRenderContent Event
(Inherited from CrystalReportViewerBase Class.) Event fires when the report content rendering process starts.
CrystalReportViewerBase.BeforeRenderObject Event
(Inherited from CrystalReportViewerBase Class.) Event fires when the report object rendering process starts.
CrystalReportViewer.Drill Event
Event fires when a report is drilled down on.
CrystalReportViewer.DrillDownSubreport Event
Event fires when the user drills down on a subreport.
CrystalReportViewerBase.Error Event
(Inherited from CrystalReportViewerBase Class.) Event fires when the report object throws an exception.
CrystalReportViewer.Navigate Event
Event fires when the user navigates through a report.
CrystalReportViewerBase.OnRenderScript Event
(Inherited from CrystalReportViewerBase Class.) Event fires when the HTML script generation starts.
CrystalReportViewerBase.OnRenderStyle Event
(Inherited from CrystalReportViewerBase Class.) Event fires when the HTML style class generation starts.
CrystalReportViewerBase.ReportPartBookmarkNavigation Event
(Inherited from CrystalReportViewerBase Class.) Event fires after navigation to a report part in the same report or another report is finished.
CrystalReportViewer.ReportRefresh Event
Event fires when the data in the report is refreshed.
CrystalReportViewer.Search Event
Event fires when text is searched for in the report.
CrystalReportViewer.ViewZoom Event
Event fires when zoom level of the viewer changes.
CrystalReportViewerBase Events
Description
CrystalReportViewerBase.AfterRender Event
Event fires when the report rendering process is finished.
CrystalReportViewerBase.AfterRenderContent Event
Event fires when the report content rendering process is finished.
CrystalReportViewerBase.AfterRenderObject Event
Event fires when the report object rendering process is finished.
CrystalReportViewerBase.BeforeRender Event
Event fires when the report rendering process starts.
CrystalReportViewerBase.BeforeRenderContent Event
Event fires when the report content rendering process starts.
CrystalReportViewerBase.BeforeRenderObject Event
Event fires when the report object rendering process starts.
CrystalReportViewerBase.Error Event
Event fires when the report object throws an exception.
CrystalReportViewerBase.OnRenderScript Event
Event fires when the HTML script generation starts.
CrystalReportViewerBase.OnRenderStyle Event
Event fires when the HTML style class generation starts.
CrystalReportViewerBase.ReportPartBookmarkNavigation Event
Event fires after navigation to a report part in the same report or another report is finished.

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************** Depuración JIT **************
Para habilitar la depuración Just In Time (JIT), el archivo de configuración de esta
aplicación o equipo (machine.config) debe tener el
valor jitDebugging establecido en la sección system.windows.forms.
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<configuration>
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</configuration>
Cuando esté habilitada la depuración JIT, cualquier excepción no controlada
se enviará al depurador JIT registrado en el equipo
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Edited by: Vangelis Sanchoyerto on Dec 23, 2010 10:20 AM

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Parameter fields in the CR 2011 report viewer

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1. Send a numeric on the front of the cluster packet that tells the server that data is on the way.
2. Send a boolean on the front of the cluster packet to somehow turn the server TCP/IP on.
The problem I have found is that LabVIEW TCP/IP doesn't like to be turned on and off. If it doesn't get the data it expects, it goes into a reset mode and that kills the response time.
Any help?

You should consider implementing a set of simple one-byte commands that can be sent back and forth between the Server and the Clients. You can base all of these ideas off the example in the Example Finder under Networking >> TCP and UDP called Multiple Connections - Server.
You will have two loops in the server VI: one to wait for new connections, and one to send and receive data from the existing connections. For instance, after one of the clients connects, it can request control of the server to send data to it by sending the character "R" for request. Every time the send/receive loop of the Server executes, the first thing it can do is to check all the existing connections to see if any of the clients have sent a control request ("R"). If so, it will create a buffer (array) of control requests. This could be in the form of Connection IDs or indexes in the array for a particular Connection ID. Your choice.
After the Server receives a request for contol, if it is not already under control by another client, then it can send a response to the first client on the control request list. For instance, the server could send the first client a "S" command for send. Note that after the clients send their control request, they should execute a TCP Read and wait indefinitely for the server to respond with the one-byte "S" command. Then, once the client in control is finished sending data to the server, it could send the character "X" telling the Server to release it from control.
The example I mentioned above already does a similar thing. Note how when a client wants to disconnect, they send the letter "Q". You can see this in the Multiple Connections - Client VI. The Server then checks each individual connection to see if it's received this one-byte command, and if it has, it closes the connection to the client. This is what you would want to implement, but instead of having just one command, you'll have to distinguish between a few and build up a buffer of control requests.
Finally, if a client does decide to disconnect in your application, they could send the command "Q" just like the example above. At this point, close the connection and remove that Connection ID from the array of connections. You will also have to handle the case that this client was in the request control waiting line when it disconnected, in which case you need to delete it from that array as well.
This will definitely work for you, but it will take some work. Best of luck!
Jarrod S.
National Instruments

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Anyone know how to control the line-in volume and balance input via LabView?

I assume you are referring to audio line-in volume control and lerft-right balance...
If so, then check out this thread:
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=135&HOID=506500000008000000D83A0000&UCATEGORY_0=_49_%24_6_&UCATEGORY_S=0
Look at the info near the bottom from Paul S & Spectre. They talk about "winmm.dll"
-cheers-
JLV

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Hello all,
i need to control the timeline animation with the mouse wheel.
how is it possible
i've tried this code but I've could only make it work with mouse move, unfortunatly the scroll does not work -
composition ready:
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found the answer at this thread -
http://forums.adobe.com/message/5628190#5628190
this is the exampel posted by Vinay -----
Here is an example - http://www.dealsdrizzle.com/research/scroll/scroll2.html
Source - http://www.dealsdrizzle.com/research/scroll/scroll2.zip

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