Add project files.

SmartDB/Components/Account/Pages/ForgotPassword.razor

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+@page "/Account/ForgotPassword"
+
+@using System.ComponentModel.DataAnnotations
+@using System.Text
+@using System.Text.Encodings.Web
+@using Microsoft.AspNetCore.Identity
+@using Microsoft.AspNetCore.WebUtilities
+@using SmartDB.Data
+
+@inject UserManager<ApplicationUser> UserManager
+@inject IEmailSender<ApplicationUser> EmailSender
+@inject NavigationManager NavigationManager
+@inject IdentityRedirectManager RedirectManager
+
+<PageTitle>Forgot your password?</PageTitle>
+
+<h1>Forgot your password?</h1>
+<h2>Enter your email.</h2>
+<hr />
+<div class="row">
+    <div class="col-md-4">
+        <EditForm Model="Input" FormName="forgot-password" OnValidSubmit="OnValidSubmitAsync" method="post">
+            <DataAnnotationsValidator />
+            <ValidationSummary class="text-danger" role="alert" />
+
+            <div class="form-floating mb-3">
+                <InputText @bind-Value="Input.Email" class="form-control" autocomplete="username" aria-required="true" placeholder="name@example.com" />
+                <label for="email" class="form-label">Email</label>
+                <ValidationMessage For="() => Input.Email" class="text-danger" />
+            </div>
+            <button type="submit" class="w-100 btn btn-lg btn-primary">Reset password</button>
+        </EditForm>
+     </div>
+</div>
+
+@code {
+    [SupplyParameterFromForm]
+    private InputModel Input { get; set; } = new();
+
+    private async Task OnValidSubmitAsync()
+    {
+        var user = await UserManager.FindByEmailAsync(Input.Email);
+        if (user is null || !(await UserManager.IsEmailConfirmedAsync(user)))
+        {
+            // Don't reveal that the user does not exist or is not confirmed
+            RedirectManager.RedirectTo("Account/ForgotPasswordConfirmation");
+        }
+
+        // For more information on how to enable account confirmation and password reset please
+        // visit https://go.microsoft.com/fwlink/?LinkID=532713
+        var code = await UserManager.GeneratePasswordResetTokenAsync(user);
+        code = WebEncoders.Base64UrlEncode(Encoding.UTF8.GetBytes(code));
+        var callbackUrl = NavigationManager.GetUriWithQueryParameters(
+            NavigationManager.ToAbsoluteUri("Account/ResetPassword").AbsoluteUri,
+            new Dictionary<string, object?> { ["code"] = code });
+
+        await EmailSender.SendPasswordResetLinkAsync(user, Input.Email, HtmlEncoder.Default.Encode(callbackUrl));
+
+        RedirectManager.RedirectTo("Account/ForgotPasswordConfirmation");
+    }
+
+    private sealed class InputModel
+    {
+        [Required]
+        [EmailAddress]
+        public string Email { get; set; } = "";
+    }
+}