Failed To Load Database Information Unknown Query Engine Error
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for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Expand Search Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > Questions > CR10 and VB6 Want to Advertise Here? Solved CR10 and VB6 Posted on 2004-10-27 Crystal Reports 1 Verified Solution 13 Comments 1,171 Views Last Modified: 2008-01-09 HELP! I am attempting to create a VB6 application using the cr10 viewer. I can http://scn.sap.com/thread/943997 get the application to work correctly on a machine with Crystal 10 developer loaded, but I cannot deploy the VB application. I am using the standard VB package and deployment wizard. After installing on the client machine, I attempt to run the vb app and pull a report. I get the error Failed to load database information. Details: The database DLL 'crdb_oracle.dll' could not be loaded. I have included https://www.experts-exchange.com/questions/21185249/CR10-and-VB6.html this DLL in the package and it exists in the correct location on the client machine. What am I doing wrong?? Pod 0 Question by:Podzach Facebook Twitter LinkedIn Google LVL 1 Best Solution byccwork Hi, You don't need to add oci.dll to your project and all you need to do is add the
here for a quick overview of the site Help Center Detailed answers to any questions you might http://stackoverflow.com/questions/6610816/crystal-report-weird-error-unknown-query-engine-error have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting https://sourceforge.net/p/firebird/mailman/message/12538468/ ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 failed to million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Crystal Report weird error (Unknown Query Engine Error) up vote 4 down vote favorite 3 I have a Windows application that uses Crystal Reports 2008 as a reporting tool. It was working fine for a very long period, failed to load but yesterday, when I tried to load any report, I got this error: CrystalDecisions.CrystalReports.Engine.DataSourceException: Unknown Query Engine Error Error in File C:\Users\Magdy\AppData\Local\Temp\rpt_Stock_Cost {DC276D4F-79F4-43B9-8168-24E6B7BF490A}.rpt: Unknown Query Engine Error ---> System.Runtime.InteropServices.COMException: Unknown Query Engine Error Error in File C:\Users\Magdy\AppData\Local\Temp\rpt_Stock_Cost {DC276D4F-79F4-43B9-8168-24E6B7BF490A}.rpt: Unknown Query Engine Error at CrystalDecisions.ReportAppServer.Controllers.DatabaseControllerClass.ReplaceConnection(Object oldConnection, Object newConnection, Object parameterFields, Object crDBOptionUseDefault) at CrystalDecisions.CrystalReports.Engine.Table.SetDataSource(Object val, Type type) at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSourceInternal(Object val, Type type) --- End of inner exception stack trace --- at CrystalDecisions.ReportAppServer.ConvertDotNetToErom.ThrowDotNetException(Exception e) at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSourceInternal(Object val, Type type) at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSource(DataSet dataSet) at Diamonds.UIL.Forms.frm_ReportViewer.Load_Report(String File_FullPath, DataSet DS) in E:\Development\Bitco\Diamond\Project\Diamond 2.0.1\Diamonds\UIL\Reports\Forms\Viewer\frm_ReportViewer.cs:line 256 Here's the code I used to load and assign data source for the report: DataSet ds = new DataSet(); reportDocument_.Load(File_FullPath); reportDocument_.SetDataSource(ds); Where ds could be a typed dataset. After some googling, I found some results that say I should have Network Services, user to temp folder in windows. Although I think this is for web applications, not for windows. I tried it for both temp folder, and the above folder in the except
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