SAP Knowledge Base Article - Public

1553921 - Is there a utility that would help in writing database logon code?


  • Incorrect database logon code will result in a number of errors
  • Sample error messages and behaviors:

Unknown Database Connector Error Error in File C:\WINDOWS\TEMP\Report1003 {guid ...}.rpt: Unknown Database Connector Error CrystalReportViewer - CrystalReportViewer1 Error: Object reference not set to an instance of an object.

Failed to load database error. Error in file myReport C:\DOCUME~1\DMTEST\ASPNET\LOCALS~1\Temp\test {guid ...}.rpt

CrystalDecisions.CrystalReports.Engine.InternalException Message: Failed to open the connection. Failed to open the connection. myReport {guid ...}.rpt

Failed to load database information.

Error in File temp_{guid ...}.rpt:

Unknown Query Engine ErrorError in File C:\temp\temp_{guid ...}.rpt:

Query Engine Error: {guid ...}.rpt

Failed to load database information. Details: The database DLL 'crdb_oracle.dll' could not be loaded. Error in File C:\DOCUME~1\DMTEST\ASPNET\LOCALS~1\Temp\test {guid ...}.rpt: Failed to load database information

Looping logon


  • The attached utility will write out the correct database logon code for a particular report
  • The code will be written out in VB and C#
  • To use the utility, follow the instructions in the readme.txt file


log database failed change crvs2010 vs2010 vs 2010 , KBA , BI-DEV-NET , BI Software Development Kits (SDKs) - .NET or Other , How To


Crystal Reports 2008 V1


CodeBuilder-RasConnectionInfo (cr 2008 net2008).zip
CodeBuilder-RasConnectionInfo (CR 2008 NET 2005 ).zip
CodeBuilder-RasConnectionInfo (NET2010 CRVS2010).zip