conexion a base de datos y login

packages/EntityFramework.6.4.4/tools/netcoreapp3.0/any/ef6.runtimeconfig.json

@@ -0,0 +1,9 @@
+{
+  "runtimeOptions": {
+    "tfm": "netcoreapp3.0",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "3.0.0"
+    }
+  }
+}