Создание форм с помощью тег-хелперов¶

public class UserBindingModel
{
    [Required]
    [StringLength(100)]
    [Display(Name = "Your name")]
    public string FirstName { get; set; }

    [Required]
    [StringLength(100)]
    [Display(Name = "Last name")]
    public string LastName { get; set; }

    [Required]
    [EmailAddress]
    public string Email { get; set; }

    [Phone]
    [Display(Name = "Phone number")]
    public string PhoneNumber { get; set; }
}

public class CheckoutModel : PageModel
{
    [BindProperty]
    public UserBindingModel Input { get; set; }
}

@page
@model CheckoutModel
@{
    ViewData["Title"] = "Checkout";
}
<h1>@ViewData["Title"]</h1>
<form asp-page="Checkout">
    <div class="form-group">
        <label asp-for="Input.FirstName"></label>
        <input class="form-control" asp-for="Input.FirstName" />
        <span asp-validation-for="Input.FirstName"></span>
    </div>
    <div class="form-group">
        <label asp-for="Input.LastName"></label>
        <input class="form-control" asp-for="Input.LastName" />
        <span asp-validation-for="Input.LastName"></span>
    </div>
    <div class="form-group">
        <label asp-for="Input.Email"></label>
        <input class="form-control" asp-for="Input.Email" />
        <span asp-validation-for="Input.Email"></span>
    </div>
    <div class="form-group">
        <label asp-for="Input.PhoneNumber"></label>
        <input class="form-control" asp-for="Input.PhoneNumber" />
        <span asp-validation-for="Input.PhoneNumber"></span>
    </div>
    <button type="submit" class="btn btn-primary">Submit</button>
</form>