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C#•3mo ago

How things get to the place

I have found this one thing by Microsoft that confused me so much

public async Task<IActionResult> OnPostTryValidateAsync()
{
    var modifiedReleaseDate = DateTime.Now.Date;
    Movie.ReleaseDate = modifiedReleaseDate;

    ModelState.ClearValidationState(nameof(Movie));
    if (!TryValidateModel(Movie, nameof(Movie)))
    {
        return Page();
    }

    _context.Movies.Add(Movie);
    await _context.SaveChangesAsync();

    return RedirectToPage("./Index");
}

public async Task<IActionResult> OnPostTryValidateAsync()
{
    var modifiedReleaseDate = DateTime.Now.Date;
    Movie.ReleaseDate = modifiedReleaseDate;

    ModelState.ClearValidationState(nameof(Movie));
    if (!TryValidateModel(Movie, nameof(Movie)))
    {
        return Page();
    }

    _context.Movies.Add(Movie);
    await _context.SaveChangesAsync();

    return RedirectToPage("./Index");
}

Here, how did we get object of Movie? Method doesn't have any aprameters so I simply cannot get it

6 Replies

Ayin•3mo ago

Doesn't it need something like ([FromForm] Movie movie) to get model?

canton7•3mo ago

Some context would be good. It's probably a property, but hard to say for sure without more info

Ayin•3mo ago

https://learn.microsoft.com/en-us/aspnet/core/mvc/models/validation?view=aspnetcore-8.0

Model validation in ASP.NET Core MVC

Learn about model validation in ASP.NET Core MVC and Razor Pages.

Ayin•3mo ago

Are controllers supposed to have properties? Other than services and configs

Saber•3mo ago

that specific example would be razor pages so its not a controller

Ayin•3mo ago

So I would still need [FromForm] to use ModelState in controller

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