Navigation between code and Resx files
JetBrains Rider's navigation features (Go to Usages of Symbol and Go to Declaration) help you navigate between implementations of resources in .resx files and their usages in code files.
Navigate from declaration to usage
Open a .resx file in the editor.
Place the caret at the name of a resource.
Press Ctrl+Alt+F7 or choose from the main menu. Alternatively, you can press Ctrl+Shift+A, start typing the command name in the popup, and then choose it there.
JetBrains Rider will open the code file where the resource is used. If there are two or more usages, you can select one of them in the list.
Navigate from usage to declaration
Open a code file where a resource is used.
Place the caret at the usage of resource property:
or at the name of the resource used in code: 
Press Ctrl+B or choose from the main menu. Alternatively, you can press Ctrl+Shift+A, start typing the command name in the popup, and then choose it there.
Select a declaration from the list. You can navigate to the declaration of the property in the generated wrapper or to the resource declaration in .resx file.