IServiceCollection does not contain a definition for AddNpgsql

[chrisjmccrum]

I'm trying to use PostgreSQL for the first time and having a little trouble getting it to build without errors. To be sure I don't have conflicting packages, I made sure to update my project.json to RC2-*. Here's the final error that I can't seem to fix.

ERROR

Startup.cs(22,18): error CS1061: 'IServiceCollection' does not contain a definition for 'AddNpgsql' and no extension method 'AddNpgsql' accepting a first argument of type 'IServiceCollection' could be found (are you missing a using directive or an assembly reference?)

PARTIAL PROJECT.JSON

  "dependencies": {
    "AspNet.Security.OAuth.Introspection": "1.0.0-alpha1-final",
    "AspNet.Security.OAuth.Validation": "1.0.0-alpha1-final",
    "Microsoft.AspNetCore.Diagnostics": "1.0.0-rc2-final",
    "Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore": "1.0.0-rc2-final",
    "Microsoft.AspNetCore.Server.IISIntegration": "1.0.0-rc2-final",
    "Microsoft.AspNetCore.Mvc": "1.0.0-rc2-final",
    "Microsoft.AspNetCore.Mvc.Formatters.Json": "1.0.0-rc2-final",
    "Microsoft.AspNetCore.Mvc.Cors": "1.0.0-rc2-final",
    "Microsoft.AspNetCore.Server.Kestrel": "1.0.0-rc2-final",

    "Microsoft.Extensions.Configuration.CommandLine": "1.0.0-rc2-final",
    "Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0-rc2-final",
    "Microsoft.Extensions.Configuration.Json": "1.0.0-rc2-final",
    "Microsoft.Extensions.Logging.Console": "1.0.0-rc2-final",
    "Microsoft.Extensions.Logging.Debug": "1.0.0-rc2-final",

    "Microsoft.EntityFrameworkCore": "1.0.0-rc2-final",
    "Microsoft.EntityFrameworkCore.Commands": "1.0.0-rc2-*",
    "Microsoft.EntityFrameworkCore.Relational": "1.0.0-rc2-final",
    "Npgsql.EntityFrameworkCore.PostgreSQL": "1.0.0-*",
    "Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.0.0-rc2-final",

    "OpenIddict.Core": "1.0.0-*",
    "OpenIddict.EF": "1.0.0-*"
  },


  "frameworks": {
    "netcoreapp1.0": {
      "dependencies": {
        "Microsoft.NETCore.App": {
          "type": "platform",
          "version": "1.0.0-rc2-3002702"
        }
      },

      "imports": [
        "dnxcore50",
        "portable-net451+win8"
      ]
    }
  }

PARTIAL STARTUP.CS

        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();

            services.AddEntityFramework()
                .AddNpgsql()
                .AddDbContext<DeadboltContext>(options =>
                    options.UseNpgsql("Host=localhost;Username=dev;Password=dev;Database=tesdb"));

            services.AddIdentity<tbl_ApplicationUser, tbl_ApplicationRole>()
                .AddEntityFrameworkStores<DeadboltContext>()
                .AddUserStore<CustomStore>()
                .AddDefaultTokenProviders()
                .AddOpenIddictCore<tbl_Application>
                    (conf => conf.UseEntityFramework());

            services.AddAuthorization(options => {
                options.AddPolicy("Default", builder => {
                    builder.RequireAuthenticatedUser();
                    builder.RequireActiveUser();
                });

                options.DefaultPolicy = options.GetPolicy("Default");
            });

            services.AddTransient<IEmailSender, AuthMessageSender>();
            services.AddTransient<IDatabaseInitializer, DatabaseInitializer>();
            services.AddTransient<IUtilityService, UtilityService>();
            services.AddScoped<ICommonRepository, CommonRepository>();
        }

[roji]

In RC2 it's called AddEntityFrameworkNpgsql() and things have changed a little, read http://ef.readthedocs.io/en/latest/internals/services.html.

[cyraid]

What is it called now? Seems to be missing, and it's what the docs say. (If it's the same for IHealthChecksBuilder)

Edit: It's all good, I found out. I needed to add the Package "AspNetCore.HealthChecks.NpgSql"