Could not load file or assembly crdb_adoplus or one of its dependencies is very common issue with Crystal Reports. Learn How to Solve it using this tutorial.
Crystal Report Shows a blank page in ASP.NET Web Application. This is due to Crystal Report Viewer Virtual Directory Configured in correctly in Web server.
This Tutorials Shows you How to Create Crystal Reports in ASP.NET Webforms Using C#/VB.NET and ADO.NET datasets
This tutorials shows How to Create Crystal Report using Visual Studio in a windows desktop application using C# and VB.NET.