2022806 - Crystal Reports .NET application throws "Object reference not set to an instance of an object" error when database logon fails.

Symptom

Crystal Reports .NET application throws "Object reference not set to an instance of an object" error when database logon fails.
It is expected to see an error message relevant to database logon instead the APIs throw a generic error message.

Environment

Crystal Reports 2008 / SAP Crystal Reports Developer version for Microsoft Visual Studio.
SAP BusinessObjects Business Intelligence platform 4.1
Visual Studio 2008 / Visual Studio 2010

Reproducing the Issue

1. Develop a sample windows or a web application using below code.

ReportDocument rd = new ReportDocument();

rd.load("reportPath.rpt");

rd.setdatabaselogon("Username","Password","DBServer","DBname");

rd.ExportToDisk(ExportFormatType.PortableDocFormat, @"C:\Exported.pdf");

2. Enter incorrect logon info in SetDatabaseLogon method.
3. Run the application and observe the error.

Cause

The issue has been identified as a bug.

Resolution

This issue was tracked with problem id ADAPT01728691.
The issue is fixed in BOE 3.1 SP6 Patch 5 / SP7 Patch 2.
The issue is fixed in BI 4.1 SP5

Keywords

KBA , BI-DEV-NET , BI Software Development Kits (SDKs) - .NET or Other , Bug Filed

Product

SAP Crystal Reports, developer version for Microsoft Visual Studio ; SAP Crystal Reports, version for Visual Studio .NET 2005