Bug report

The Form component throws an InvalidOperationException when utilizing FormData within Razor Pages. This issue does not occur in ASP.NET MVC or standard ASP.NET Core applications. The issue appears to be linked to the following commit: 8cf517cf94dd5a13a8e8bd9f8f92db0193ea00e3.

Reproduction of the problem

1. Create an Razor Page application.
2. Add a Form with FormData
3. Run the project

Current behavior

The application throws an InvalidOperationException.

Expected/desired behavior

The application runs without any thrown exceptions.

TicketID:

1701697

Environment

• Kendo UI version: 2025.3.1002
• jQuery version: x.y
• Browser: [all]