Crystal | Reports For .net Framework 2.0

try File.Delete(file); catch

string tempPath = Path.GetTempPath(); foreach (var file in Directory.GetFiles(tempPath, "*.rpt"))

Pro tip: Always call ApplyLogOnInfo before setting record selection formulas, or the formulas will execute against the original, unlogged connection. The CrystalReportViewer control stores its state in Session. If you’re running a web farm without sticky sessions, reports will mysteriously fail. Workaround? Disable view state and manually bind: crystal reports for .net framework 2.0

File.WriteAllBytes(@"C:\Reports\output.pdf", ms.ToArray());

Unlike modern ORMs, Crystal holds connection details inside the .rpt file. Pulling from a config file requires iterating tables: try File

Let’s dissect its architecture, limitations, and survival strategies. If you’ve referenced Crystal in a .NET 2.0 WinForms or WebForms project, you’ve seen these core DLLs:

Crystal Reports for .NET Framework 2.0 (often distributed as CrystalDecisions.* assemblies version 10.2 or 10.5) was SAP’s answer to embedded enterprise reporting. While officially deprecated and unsupported for modern OSes beyond Windows 7/Server 2008 R2, it remains a reality for legacy ERP, healthcare, and financial systems. Workaround

Note: ExportToStream does automatically close the report. Always wrap ReportDocument in using or call Close() and Dispose() . Modern OS Compatibility (Yes/No) | OS | Works? | Caveats | |----|--------|---------| | Windows Server 2012 R2 | ✅ | Install CR runtime merge module (MSM) manually | | Windows Server 2016/2019 | ⚠️ | DPI scaling issues; printer drivers required for PDF export | | Windows 10/11 | ⚠️ | Works only with Legacy Component features enabled | | Windows Server 2022 | ❌ | Untested; no official support from SAP | | Linux / Docker | ❌ | Impossible – native Windows DLL dependency |