Upgrade Crystal reports for VS 2008 to VS 2010
Crystal Reports is not part of Visual Studio 2010 when you install Visual Studio 2010.
You have to download the following files and install it.
After installing the above one you have to change startup tag in the app.config from
<startup><supportedRuntime version=”v4.0″ sku=”.NETFramework,Version=v4.0″ ></startup>
If you have the ClickOnce deployment for your project you have to install the below runtimes in the deployment machine.
After the installation you will be able to see the SAP Crystal Reports Runtime Engine for .Net Framework 4.0 in the Prerequisites option under Project properties and Publish option.
You need to check the SAP Crystal Reports Runtime Engine for .Net Framework 4.0 before you publish you project.