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SSRS Report Viewer Control on IIS 7

Antonios Chatzipavlis

Σήμερα ανέβαζα ένα project σε production το οποίο ήταν ένα Web Application σε .ΝΕΤ όπου χρησιμοποιούσαμε το Report Viewer Control για να δείχνουμε τα reports που η εφαρμογή έχει.

Ενώ σε όλα τα στάδια ανάπτυξης και τεστ δεν είχαμε κάποιο θέμα μόλις ανέβηκε στην παραγωγή άρχισαν τα τηλέφωνα από τον πελάτη και μου στέλνουν και ένα mail με ένα screen dump όπου το control αυτό δεν έκανε τίποτα τα είχε δει όλα.

Η εικόνα του control ήταν η παρακάτω

Φυσικά ο IIS της παραγωγής ήταν ο 7 στο οποίο έχουν γίνει θεαματικές αλλαγές. Έτσι όταν βάζεις ένα control σε μια web page to Visual Studio παει και βάζει μέσα στο web.config το παρακάτω entry

<system.web>
  <httpHandlers>
  <add path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" validate="false"/>
  </httpHandlers>
</system.web>

 

Ο IIS 7 δεν μπορεί να το διαβάσει καθώς το httpHandlers section δεν είναι εκει πλέον αλλα στο <system.WebServer>. Δυστυχώς το VS 2008 πειράζει το web.config με την λογική του IIS 6.0.

Θα πρέπει λοιπόν για να διορθωθεί το θέμα αυτό είτε από το management tool του IIS 7 να βάλει το http Handler είτε να αλλάξεις εσύ το web.config όπως παρακάτω

<system.webServer>
    <handlers>
    <add name="ReportViewerWebControl" path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
    </handlers>
</system.webServer>

Antonios Chatzipavlis

Antonios Chatzipavlis

Antonios is a Data Solutions Consultant and Trainer. He has been working in IT since 1988. In his career, he has worked as senior developer, IT Manager, Solutions Architect and IT Consultant. Since 1995 he has been devoted on new technologies and software development tools, mainly by Microsoft, either by training company staff and colleagues or assisting them in design, development and implementation as a consultant or chief developer. He has focused in Databases and Data Science since 1995. He specialized in Microsoft SQL Server since version 6.0 in areas like SQL Server Internals, Database Design and Development, Business Intelligence and in 2010 he has started working with Azure Data Platform, NoSQL databases, Big Data Technologies and Machine Learning. He is an active member of many IT communities in Greece, answering colleagues' questions and writing articles in his web site. He is the owner of SQLschool.gr which is a community portal with a lot of information about Microsoft SQL Server. He has been a Microsoft Certified Trainer (MCT) since 2000. Microsoft honored him as MVP on Data Platform due to his activities in SQL Server since 2010. He holds a large number of Microsoft Certifications and Microsoft SQL Server Certifications since version 6.5.


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