Repro

1. Create a new Razor Pages project in Visual Studio
2. Open the Index.cshtml.cs model class file
3. Add a property to be accessed from the page's CSHTML file: public string Message { get; set; } = "Hello";
4. Open the Index.cshtml page file
5. Attempt to render the value of Model.Message inside the "Scripts" section:

   @section Scripts { <h1>@Model.Message</h1> }

Expected Result

The message is rendered in the HTML OK.

Actual Result

InvalidCastException: Unable to cast object of type 'Microsoft.AspNetCore.Mvc.ViewFeatures.ViewDataDictionary`1[System.Object]' to type 'Microsoft.AspNetCore.Mvc.ViewFeatures.ViewDataDictionary`1[WebApplication26.Pages.IndexModel]'. 

@rynowak @NTaylorMullen