Skip to main content
BuyLog In
ASP.NET Core Controls
Search in…
Docs > Troubleshooting > 'Add DevExtreme to the Project' menu item is unavailable
All docs
V24.2
ASP.NET Core Controls
Prerequisites and Installation
Supported Browsers
Demos and Sample Apps
DevExtreme-Based Controls
Reporting
Query Builder
Rich Text Editor
Spreadsheet
Web Dashboard
Security Considerations
Troubleshooting
DevExtreme Templates are unavailable
'DevExpress Template Gallery Failed' error occurs
DevExtreme tools and wizards are unavailable
'Upgrade DevExtreme Resources' menu item is unavailable
'Are you sure you want to upgrade DevExtreme resources in your project' dialogue is unavailable
'Add DevExtreme to the Project' menu item is unavailable
'Uncaught TypeError: $(…).dxWidget is not a function' error occurs
A drop-down editor does not show data
Redistribution and Deployment
API Reference
Client API Reference
Migration from WebForms & MVC5
Download CHM

'Add DevExtreme to the Project' menu item is unavailable

Note

Before you follow the troubleshooting process, ensure that you have .NET SDK 6.0 or later installed and you run Visual Studio 2022 or later. The support for older versions of .NET and Visual Studio has been discontinued in DevExpress ASP.NET Core Controls v22.2.

See Prerequisites and Installation for more information.

This issue occurs when a DevExtreme extension finds existing DevExtreme resources in the project. Check the project for DevExtreme resources and remove them completely. If this does not resolve the issue, follow the topics below:

DevExtreme Templates are unavailable

DevExtreme tools and wizards are missing