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Cannot set the object reference to its instance.unable to log in.

For eg, on the report, when I get the results, if I click on Export button of the toolbar, it pops up the window for export but then the aspx page where I have the viewer immediately comes out with error."Database logon failed.Cordus_Opolus.C:\local settings\ user\temp\.reportname.rpt.

So my case is, I can view the report, it just works so fine until I press one of the default buttons in the toolbar. When I look at the Web.Config file I see things like CrystalDecisions.Shared, Version.0 and, Version.0. I am trying to use the default crystal report viewer toolbar to export, print and navigate to different pages of report. There's 6 reports in this app, all of which use some version of Crystal Reports. Right now, I can query and view my results in the crystal report viewer. SAP Crystal Reports, Developer Version for Microsoft Visual Studio. developer version for Microsoft Visual Studio Updates & Runtime Downloads. Installation requirements SAP Help Portal. developer version for Microsoft Visual Studio can be used with Visual Studio 2010 to 2013 as well as Visual Studio 2015 RC build. I can view the report fine. From what I have researched so far is we don't need to have crystal reports or runtime package installed in client's machine.isn't that so? The report should just open up in clients' machine as a regular page. This is a list of fixed issues in Service Pack 14 for Crystal Reports for Visual Studio (CRVS). I have placed the viewer in my default.aspx page. Right now the application runs off of my local host, is not published to a server. Hi Robert, I read your post and yes I am using visual studio 2008 to develop a web application where I am using the crystal reports.