[英]ASP.NET Core - Error CS0246 The type or namespace name 'ApplicationUserRole<>' could not be found
In ASP.NET Core-6, I am trying to pull out all my Identity users and their associated roles for a user management.在 ASP.NET Core-6 中,我试图提取我的所有身份用户及其相关角色以进行用户管理。
ApplicationUser应用用户
using Microsoft.AspNetCore.Identity;
namespace Core.Infrastructure.Identity
{
public class ApplicationUser : IdentityUser
{
public ICollection<ApplicationUserRole> UserRoles { get; set; }
}
}
ApplicationUserRole应用用户角色
using Microsoft.AspNetCore.Identity;
namespace Core.Infrastructure.Identity
{
public class ApplicationUserRole : IdentityUserRole<string>
{
public virtual ApplicationUser User { get; set; }
public virtual ApplicationRole Role { get; set; }
}
}
ApplicationRole应用角色
using Microsoft.AspNetCore.Identity;
namespace Core.Infrastructure.Identity
{
public class ApplicationRole : IdentityRole
{
public ICollection<ApplicationUserRole> UserRoles { get; set; }
}
}
ApplicationUserConfigurations应用程序用户配置
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
namespace Core.Persistence.Configurations
{
public class ApplicationUserConfigurations : IEntityTypeConfiguration<ApplicationUser>
{
public void Configure(EntityTypeBuilder<ApplicationUser> builder)
{
builder.Property(u => u.IsActive).HasDefaultValue(true);
builder.Property(u => u.IsAdmin).HasDefaultValue(false);
builder.Property(u => u.IsPasswordChanged).HasDefaultValue(false);
builder.Property(u => u.IsDeleted).HasDefaultValue(false);
}
}
}
ApplicationRoleConfigurations应用程序角色配置
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
namespace Core.Persistence.Configurations
{
public class ApplicationRoleConfigurations : IEntityTypeConfiguration<ApplicationRole>
{
public void Configure(EntityTypeBuilder<ApplicationRole> builder)
{
builder.HasIndex(r => r.Name).IsUnique();
builder.Property(r => r.IsActive).HasDefaultValue(true);
}
}
}
ApplicationUserRoleConfigurations应用程序用户角色配置
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
public class ApplicationUserRoleConfigurations : IEntityTypeConfiguration<ApplicationUserRole<string>>
{
public void Configure(EntityTypeBuilder<ApplicationUserRole<string>> builder)
{
builder.HasKey(ur => new { ur.UserId, ur.RoleId });
builder.HasOne(ur => ur.Role)
.WithMany(r => r.UserRoles)
.HasForeignKey(ur => ur.RoleId)
.IsRequired();
builder.HasOne(ur => ur.User)
.WithMany(r => r.UserRoles)
.HasForeignKey(ur => ur.UserId)
.IsRequired();
}
}
DBContext数据库上下文
public class ApplicationDbContext
: IdentityDbContext<ApplicationUser, ApplicationRole, string, IdentityUserClaim<string>,
ApplicationUserRole, IdentityUserLogin<string>,
IdentityRoleClaim<string>, IdentityUserToken<string>>
{
public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
: base(options)
{
}
protected override void OnModelCreating(ModelBuilder builder)
{
builder.ApplyConfigurationsFromAssembly(typeof(ApplicationDbContext).Assembly);
base.OnModelCreating(builder);
// Customize ASP.NET Identity models and override defaults
// such as renaming ASP.NET Identity, changing key types etc.
builder.ApplyConfiguration(new ApplicationUserConfigurations());
builder.ApplyConfiguration(new ApplicationUserRoleConfigurations());
builder.ApplyConfiguration(new IdentityRoleClaimConfigurations());
builder.ApplyConfiguration(new IdentityUserClaimConfigurations());
builder.ApplyConfiguration(new IdentityUserLoginConfigurations());
builder.ApplyConfiguration(new IdentityUserClaimConfigurations());
builder.ApplyConfiguration(new ApplicationRoleConfigurations());
}
}
I have issues with ApplicationUserRoleConfigurations我对ApplicationUserRoleConfigurations有疑问
I got this error:我收到了这个错误:
Error CS0246 The type or namespace name 'ApplicationUserRole<>' could not be found (are you missing a using directive or an assembly reference?)错误 CS0246 找不到类型或命名空间名称“ApplicationUserRole<>”(您是否缺少 using 指令或程序集引用?)
Then, <ApplicationUserRole> is highlighted in ApplicationUserRoleConfigurations然后, <ApplicationUserRole>在ApplicationUserRoleConfigurations中突出显示
How do I get this resolved?我该如何解决这个问题?
Thanks谢谢
as the error says, are you missing a using directive?正如错误所说,您是否缺少 using 指令? if you think you are not - then prove by showing namespaces of the files, specifically ApplicationRole.cs
and ApplicationUserRoleConfigurations.cs
.如果您认为自己不是- 然后通过显示文件的命名空间来证明,特别是ApplicationRole.cs
和ApplicationUserRoleConfigurations.cs
。 Very likely that they are in different namespaces!他们很可能在不同的命名空间中!
Try to use:尝试使用:
public class ApplicationUserRoleConfigurations : IEntityTypeConfiguration<ApplicationUserRole>
Add the using for the Core.Infrastructure.Identity
to the class file将Core.Infrastructure.Identity
的使用添加到 class 文件
using Core.Infrastructure.Identity;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
public class ApplicationUserRoleConfigurations : IEntityTypeConfiguration<ApplicationUserRole<string>>
{
OR put it in the same namespace或者把它放在同一个命名空间中
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
namespace Core.Infrastructure.Identity
{
public class ApplicationUserRoleConfigurations : IEntityTypeConfiguration<ApplicationUserRole<string>>
{
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