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ReportViewerModel GetPrintUrl Bug

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Ivan Shikht
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Ivan Shikht asked on 20 Aug 2010, 12:18 PM
I'm currently using Silverlight Report Viewer, and ReportViewerModel's GetPrintUrl method generates too long URL, which will be used as GET request.
For example:
http://localhost:1606/Services/ReportService.svc/resources/export?format=PDF&report=Reports.FinancialX.SalesPerArticleReport, Reports, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null&deviceInfo=%5b%7b%22Key%22%3a%22ImmediatePrint%22%2c%22Value%22%3atrue%7d%5d&parameterValues=%5b%7b%22Key%22%3a%22ArticleNameParameter%22%2c%22Value%22%3a%2210936%2410190%2411305%2410205%2410599%2410200%2410222%2410219%2410607%2410606%2410604%2410603%2410611%2410610%2410609%2410608%2410615%2411134%2411133%2411361%2411169%2411183%2411352%2410933%2410189%2410614%2410613%2410612%2410633%2410635%2410637%2410639%2410640%2410642%2410644%2410391%2410390%2410397%2410418%2410120%2411121%2411122%2411124%2411280%2411144%2411381%2410934%2410188%2410646%2410647%2410648%2410650%2410652%2410654%2410656%2410386%2410393%2410392%2410931%2410187%2410932%2410194%2410929%2410930%2410446%2410998%2410992%2410999%2410955%2410770%2410031%2410871%2410030%2411120%2411168%2410797%2410796%2410795%2410791%2410910%2410911%2410298%2410299%2410304%2410069%2410850%2410460%2410508%2410495%2411163%2410493%2410065%2410833%2411013%2410024%2410625%2411227%2411261%2410912%2410343%2410342%2410465%2410061%2410463%2410459%2410961%2410323%2410830%2410718%2410763%2411288%2410319%2410842%2410875%2411289%2411282%2411298%2411292%2411290%2411291%2411295%2411297%2411279%2411283%2411284%2411294%2410327%2410452%2411205%2411204%2411151%2411255%2410702%2410704%2410874%2410507%2410513%2411406%2410506%2410823%2410232%2410231%2410801%2410800%2410799%2411005%2410329%2411145%2411129%2410872%2410896%2410743%2410410%2410413%2410411%2410094%2410088%2410089%2410087%2410831%2410488%2410072%2410066%2410257%2410042%2410056%2410837%2410254%2410288%2410423%2410424%2410425%2410287%2410249%2410980%2410986%2410981%2410984%2410987%2411258%2410683%2410898%2410905%2410690%2411135%2410908%2410798%2410790%2410789%2410964%2410965%2411179%2410370%2410371%2410376%2410098%2410092%2410093%2410091%2411403%2410045%2411303%2410759%2411025%2411024%2410865%2410860%2410856%2410851%2410758%2410714%2410813%2410682%2411010%2410054%2410480%2410845%2410815%2410804%2410805%2410049%2411264%2410729%2410747%2410756%2410762%2410764%2410715%2410139%2410711%2411017%2410713%2411033%2410937%2410044%2410293%2410496%2410461%2410869%2410241%2411128%2410228%2410716%2410755%2411096%2411099%2410783%2410782%2410722%2410456%2410861%2411097%2411207%2410158%2411014%2411269%2411215%2410377%2410380%2411214%2411277%2411212%2410374%2410381%2411210%2410375%2410378%2411278%2411209%2411208%2410973%2411262%2410628%2411087%2410730%2410251%2410021%2410020%2410018%2410019%2411276%2410141%2410948%2411012%2411015%2410519%2411382%2410047%2410497%2410735%2411241%2411119%2411023%2411022%2410859%2410179%2411220%2411106%2411218%2411253%2411256%2411285%2411252%2410498%2411249%2411228%2411105%2410708%2411251%2411100%2410819%2411234%2411109%2411226%2410617%2410820%2410621%2411102%2411111%2411246%2411101%2411254%2411248%2411216%2410504%2410503%2410499%2410913%2411110%2411229%2410627%2410745%2411113%2411115%2410502%2410618%2411103%2411107%2410623%2411225%2410620%2411112%2410616%2411233%2411286%2411221%2411231%2411114%2410619%2410821%2411224%2411237%2410622%2411108%2411223%2410505%2410818%2410186%2410277%2410278%2410080%2410784%2410286%2410109%2410103%2410106%2410104%2410117%2410115%2410116%2410118%2410124%2410122%2410119%2410121%2410408%2410403%2410409%2410338%2410339%2410340%2411161%2411165%2411162%2411146%2411148%2410057%2410523%2410469%2410471%2410524%2410470%2410526%2410317%2410300%2410897%2410510%2410947%2410941%2410969%2410968%2410940%2410793%2410971%2410970%2410787%2410944%2410945%2410946%2410308%2410794%2410942%2410943%2410788%2410960%2410693%2410310%2410324%2410963%2411136%2411016%2410873%2411160%2410382%2410431%2410383%2410432%2410379%2410384%2410385%2410430%2410433%2411310%2411312%2411313%2411091%2411081%2411077%2410954%2410834%2410326%2410748%2410046%2410157%2411232%2410935%2410529%2410522%2410472%2411330%2410516%2410462%2410822%2410521%2411327%2410518%2411324%2410033%2410678%2410600%2410695%2410197%2410221%2410889%2410882%2410879%2410885%2410290%2410489%2410726%2410272%2410233%2410269%2410204%2410331%2410852%2410312%2410509%2411368%2410631%2411272%2410055%2410041%2410259%2410260%2411362%2410939%2410297%2410223%2410090%2410292%2411315%2410500%2410084%2410085%2410501%2410051%2410486%2410828%2410063%2410405%2410453%2411260%2411018%2410481%2410723%2410962%2411138%2410868%2410032%2410853%2410081%2410258%2411317%2411314%2410492%2410528%2410525%2410473%2410527%2410829%2411358%2411377%2411370%2411363%2411366%2411355%2411394%2411391%2411390%2411378%2411376%2411360%2411359%2411383%2411380%2411379%2411373%2411372%2411369%2411354%2411357%2411367%2411323%2411325%2411320%2411321%2411329%2411331%2411332%2411333%2411348%2411326%2411328%2411375%2411350%2411342%2411346%2411426%2411424%2411432%2411417%2411422%2411420%2411429%2411335%2411339%2411446%2411445%2411418%2411143%2411414%2411141%2410978%2410624%2410332%2410265%2410778%2410672%2410671%2410776%2410775%2410673%2410985%2410685%2411185%2410977%2410976%2410195%2410347%2410346%2410345%2410344%2410349%2410348%2410435%2410436%2410490%2410434%2411049%2411047%2410437%2410438%2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as result, when I try to press "Print" button, it will give no result.

What I need to do to make it works? 

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Steve
Telerik team
answered on 25 Aug 2010, 12:54 PM
Hello Ivan,

Most modern browsers are able to process huge urls in GET request, so this should not be a problem (more info here).
The url you provided as example looks ok and should not cause problems. In fact the ReportBook demo has more parameters and produces bigger url, but is still handled properly.
I have a suspicion that your report is quite big and it takes some time to render. Note that inevitably it would take at least as much time to export the report to PDF and invoke the PDF plug-in for printing, so could it be you just give up waiting on it, thinking that it does not finish?
If this is not the case and you believe this is a problem with our product, please prepare a sample runnable project which we can look into locally. Once we review it, we would be able to provide you with more information.

Sincerely yours,
Steve
the Telerik team
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Ivan Shikht
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answered on 25 Aug 2010, 03:41 PM
Hello Steve,
1) Most modern browsers are able to process huge urls in GET request, so this should not be a problem.
What you are talking about? Your solution is to block my app in IE?
Browser Statistics.
2) Any way it doesn't works in Opera, Or FireFox...
3) The url you provided as example looks ok and should not cause problems. In fact the ReportBook demo has more parameters and produces bigger url, but is still handled properly.
In your Demo project print url length - 920 chars:


http://demos.telerik.com/reporting/ReportService.svc/resources/export?format=PDF&report=Telerik.Reporting.Examples.CSharp.ReportBook,%20CSharp.ReportLibrary,%20Version=1.0.0.0,%20Culture=neutral,%20PublicKeyToken=null&deviceInfo=%5b%7b%22Key%22%3a%22CurrentCulture%22%2c%22Value%22%3a%22en-US%22%7d%2c%7b%22Key%22%3a%22CurrentUICulture%22%2c%22Value%22%3a%22en-US%22%7d%2c%7b%22Key%22%3a%22ImmediatePrint%22%2c%22Value%22%3atrue%7d%5d&parameterValues=%5b%7b%22Key%22%3a%22ReportYear%22%2c%22Value%22%3a2001%7d%2c%7b%22Key%22%3a%22CultureID%22%2c%22Value%22%3a%22en%22%7d%2c%7b%22Key%22%3a%22ProductCategory%22%2c%22Value%22%3a%22Bikes%22%7d%2c%7b%22Key%22%3a%22ProductSubcategory%22%2c%22Value%22%3a%5b%22Mountain+Bikes%22%5d%7d%2c%7b%22Key%22%3a%22FromDate%22%2c%22Value%22%3a%22%5c%2fDate(978307200000%2b0000)%5c%2f%22%7d%2c%7b%22Key%22%3a%22ToDate%22%2c%22Value%22%3a%22%5c%2fDate(1104451200000%2b0000)%5c%2f%22%7d%5d

My sample url contains ~ 11 200 chars.
4) I have a suspicion that your report is quite big and it takes some time to render. Note that inevitably it would take at least as much time to export the report to PDF and invoke the PDF plug-in for printing, so could it be you just give up waiting on it, thinking that it does not finish?
Loading indicator - invisible.
5) If this is not the case and you believe this is a problem with our product, please prepare a sample runnable project which we can look into locally. Once we review it, we would be able to provide you with more information.
You can look at: http://untillweb.com/UnTill (OLTP Reports -> 1. Financial X -> Sales per Article)

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Steve
Telerik team
answered on 30 Aug 2010, 03:39 PM
Hi Ivan Shikht,

I think you misunderstood the reason why I posted the article in my previous post - it was to show you that browsers handle huge GET requests. After testing this on the live URL you provided (for which I'm grateful), I confirmed the problem and logged the issue in our bug tracking system. It would be forwarded to a developer for investigation and fixing.
Unfortunately there is no available workaround that we can offer for the time being for which we sincerely apologize. It is in our plans to migrate to Silverlight 4 for the Q3 release and use the native Silverlight print which would resolve the issue.

Your Telerik points have been updated for bringing this to our attention.

Kind regards,
Steve
the Telerik team
Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking system and vote to affect the priority of the items
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Ivan Shikht
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