[英]'System.InvalidOperationException' occurred in Microsoft.AspNetCore.Identity.EntityFrameworkCore.dll
I am trying to make a .NET core Web app When I build the solution I get this following error help me out.my我正在尝试制作一个 .NET 核心 Web 应用程序当我构建解决方案时,我收到以下错误帮助我。我的
It also shows an error about the Package compatibility all this happened after I updated my library它还显示了一个关于包兼容性的错误,这一切都是在我更新我的库后发生的
I tried to change version number in my csproj file but It creates more error help me to solve this problem我试图更改我的 csproj 文件中的版本号,但它会产生更多错误帮助我解决这个问题
Error in the output tab输出选项卡中的错误
Exception thrown: 'System.InvalidOperationException' in Microsoft.AspNetCore.Identity.EntityFrameworkCore.dll
An exception of type 'System.InvalidOperationException' occurred in Microsoft.AspNetCore.Identity.EntityFrameworkCore.dll but was not handled in user code
AddEntityFrameworkStores can only be called with a user that derives from IdentityUser<TKey>.
The Startup.cs file Startup.cs 文件
{
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.Configure<CookiePolicyOptions>(options =>
{
// This lambda determines whether user consent for non-essential cookies is needed for a given request.
options.CheckConsentNeeded = context => true;
options.MinimumSameSitePolicy = SameSiteMode.None;
});
services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
services.AddDbContext<MyContext>(options => options.UseSqlServer(Configuration["ConnectionStrings:DefaultConnection"]));
services.AddIdentity<Customer, ApplicationRole>()
.AddEntityFrameworkStores<MyContext>()
.AddDefaultTokenProviders();
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Home/Error");
// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseCookiePolicy();
app.UseIdentity();
app.UseMvc(routes =>
{
routes.MapRoute(
name: "default",
template: "{controller=Home}/{action=Index}/{id?}");
//Admin area routes
routes.MapRoute(
name: "AdminAreaRoute",
template: "{area:exists}/{controller=Products}/{action=Index}/{id?}");
});
}
}
}
I also get this error我也收到这个错误
1>D:\Projects\Ghost- depricated\Ghost\Ghost.csproj : warning NU1701: Package 'EntityFramework 6.2.0' was restored using '.NETFramework,Version=v4.6.1' instead of the project target framework '.NETCoreApp,Version=v2.2'. This package may not be fully compatible with your project.
1>D:\Projects\Ghost- depricated\Ghost\Ghost.csproj : warning NU1701: Package 'Microsoft.AspNet.Identity.AspNetCoreCompat 0.3.4' was restored using '.NETFramework,Version=v4.6.1' instead of the project target framework '.NETCoreApp,Version=v2.2'. This package may not be fully compatible with your project.
1>D:\Projects\Ghost- depricated\Ghost\Ghost.csproj : warning NU1701: Package 'Microsoft.AspNet.Identity.Core 2.2.2' was restored using '.NETFramework,Version=v4.6.1' instead of the project target framework '.NETCoreApp,Version=v2.2'. This package may not be fully compatible with your project.
1>D:\Projects\Ghost- depricated\Ghost\Ghost.csproj : warning NU1701: Package 'Microsoft.AspNet.Identity.EntityFramework 2.2.2' was restored using '.NETFramework,Version=v4.6.1' instead of the project target framework '.NETCoreApp,Version=v2.2'. This package may not be fully compatible with your project.
Try Uninstalling EntityFramework 6.2.0
Then Instal Microsoft.EntityFrameworkCore
Package :尝试卸载
EntityFramework 6.2.0
然后安装Microsoft.EntityFrameworkCore
包:
Execute Install-Package Microsoft.EntityFrameworkCore -Version 2.2.6
Command Inside Package Manager Console在包管理器控制台内执行
Install-Package Microsoft.EntityFrameworkCore -Version 2.2.6
命令
Or Manually install it :或手动安装:
Right click on project > Manage nuget packages... > Browse tab > type Microsoft.EntityFrameworkCore then install it右键单击项目 > 管理 nuget 包... > 浏览选项卡 > 键入 Microsoft.EntityFrameworkCore 然后安装它
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