我有2个DbContext:
services.AddDbContext<ConfigDbContext>(options => options.UseSqlServer(Configuration["Data:ConfigSQLServer:ConnectionString"].ToString(), t => t.MigrationsAssembly("App.Web")));
services.AddDbContext<AppDbContext>(options => options.UseSqlServer(Configuration["Data:AppSQLServer:ConnectionString"].ToString(), t => t.MigrationsAssembly("App.Web")));
当我尝试跑步时
dotnet ef migrations add Initial -c AppDbContext
我得到:
No DbContext named 'AppDbContext' was found
如果我运行:
dotnet ef dbcontext list
结果是:
FullNamespace.ConfigDbContext
找不到第二个DbContext
AppDbContext
ConfigDbCOntext:
public class ConfigDbContext : DbContext
{
public ConfigDbContext()
{
}
public ConfigDbContext(DbContextOptions<ConfigDbContext> options) : base(options)
{
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
}
}
AppDbContext:
public class AppDbContext : IdentityDbContext<ApplicationUser, ApplicationRole, Guid>
{
public AppDbContext()
{
}
public ConfigDbContext(DbContextOptions<AppDbContext> options) : base(options)
{
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
}
}
最佳答案
我有类似的设置,除了我的DbContext和IdentityDbCotenxt居住在Web项目以外的其他程序集中。
ConfigDbContext
// Remove the parameter-less constructor
public class ConfigDbContext : DbContext
{
public ConfigDbContext(DbContextOptions<ConfigDbContext> options) : base(options)
{ }
rotected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
}
}
AppDbContext
// Remove the parameter-less constructor
// Rename the constructor to AppDbContext, instead of ConfigDbContext
public class AppDbContext : IdentityDbContext<ApplicationUser, ApplicationRole, Guid>
{
public AppDbContext(DbContextOptions<AppDbContext> options) : base(options)
{ }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
}
}
同样在我的IdentityDbContext中,如果将主键更改为
Guid
,我也必须覆盖AppUserClaim
,AppUserRole
,AppUserLogin
,AppRoleClaim
和AppUserToken
。我的IdentityDbContext示例
public class AppIdentityDbContext : IdentityDbContext<AppUser, AppRole, Guid, AppUserClaim, AppUserRole,
AppUserLogin, AppRoleClaim, AppUserToken>
{
public AppIdentityDbContext(DbContextOptions<AppIdentityDbContext> options)
: base(options)
{
}
protected override void OnModelCreating(ModelBuilder builder)
{
base.OnModelCreating(builder);
builder.Entity<AppUser>().ToTable("User");
builder.Entity<AppRole>().ToTable("Role");
builder.Entity<AppUserRole>().ToTable("UserRole");
builder.Entity<AppUserClaim>().ToTable("UserClaim");
builder.Entity<AppRoleClaim>().ToTable("RoleClaim");
builder.Entity<AppUserLogin>().ToTable("UserLogin");
builder.Entity<AppUserToken>().ToTable("UserToken");
}
}
我不认为这是问题所在,但如果我的建议从一开始就不能解决问题,可以尝试一下。