Installation of DevExpress Web Parts
Upgrading DevExpress Web Parts to a Newer Version
Maintenance:
Installation and Deployment of DevExpress ASP.NET Controls within the SharePoint Environment
Upgrading DevExpress ASP.NET Controls to a Newer Version
Tutorials:
Creating Visual Web Part Using DevExpress ASP.NET Controls
Embedding DevExpress ASP.NET controls into the SharePoint Page
Creating Web Part Using DevExpress ASP.NET Controls
SharePoint Troubleshooting Guide